Difference between revisions of "Chieftain Marksman"

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{{Specs-Card|code=uk_chieftain_marksman}}
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{{About
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{{Notice|''This page is about the self-propelled anti-aircraft vehicle '''{{PAGENAME}}'''. For other uses, see [[Chieftain_(Disambiguation)|Chieftain (Disambiguation)]]''}}
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|about= British SPAA '''{{PAGENAME}}'''
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|usage= other versions
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|link= Chieftain (Family)
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}}
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{{Specs-Card
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|code=uk_chieftain_marksman
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|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
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}}
  
 
== Description ==
 
== Description ==
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<!--''In the description, the first part needs to be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert the screenshot of the vehicle. If the novice player does not remember the vehicle by name, they will immediately understand what kind of vehicle it is talking about.''-->
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<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
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[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
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The '''{{Specs|name}}''' (shortened to '''{{Specs|pseudonym}}''') was one of the available chassis for the GEC Marconi Marksman turret system based on the British [[Chieftain (Family)|FV4201 Chieftain]]. The intention of Marconi Marksman was an anti-aircraft system solution by utilizing the existing fleets of obsolete tanks and upgrade them with a twin 35 mm turret, comparable to the Bundeswehr's [[Gepard]] and JGSDF's [[Type 87]]. The version based on Chieftain Mk 5 using Leyland L60 Mark 8A engine was tested by the British Army; the vehicle was not adopted by British Army but the turret system has been exported to Finland as the [[ItPsV 90]] with T-55AM and Leopard 2A4 chassis.
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{{Break}}
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[[File:Helisnipe marksman.jpg|thumb|You can snipe ATGM helicopters. However, do not waste ammo on agile support helicopters that move around a lot, even radar cannot predict their dodges from this far away.]]
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The '''{{Specs|name}}''' (shortened to '''{{Specs|pseudonym}}''') is a Rank {{Specs|rank}} British self-propelled anti-aircraft vehicle {{Battle-rating|1}}. It was introduced in [[Update 1.79 "Project X"]].  
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Introduced in [[Update 1.79 "Project X"]] as the earliest radar SPAA in British tech tree. Since [[Update 1.87 "Locked On"]], the radar also allows you to lock your turret to follow a specific target and to see a "true" targeting reticle, which will guarantee a hit up to 3 km range and, on some occasions even further, even if you don't have any modifications, unless the enemy aircraft changes course. It is ''very important'' to change the keybinding of the radar lock key (default "alt + F"), as radar won't reliably lock on to targets, due to "mouse pointer" mode from "alt" button.
  
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The Marksman looks like Chieftain tank hull with giant boxy turret in middle of it. The turret has a radar on the back of it and clearly visible handles with cannons on its front. The front has distinctive double slope. There is no other such turret in game and so it is very easy to identify.
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== General info ==
 +
=== Survivability and armour ===
 +
{{Specs-Tank-Armour}}
 +
<!-- ''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.'' -->
 +
[[File:Chieftain marksman hullbreak.jpg|420px|thumb|right|Even a glancing hit to a turret of powerful enough shell will annihilate SPAA immediately.]]
 +
The Chieftain chassis is fairly well protected against frontal attacks by light vehicles. The turret protection, however, is not great - it will stop most heavy machine-gun fire at close range, but any chemical shell of high calibre could cause overpressure damage and just implode it in a single hit. Overall, tank feels almost like the [[FV4005]] with slightly more armour on turret.
 +
 
 +
Do not show the lower front plate to the enemy's tanks, as it's considerably weaker. Despite having better armour for hull, the Marksman is extremely slow for it, so keeping the enemy away from this vehicle is the key to making the most of the armour it have, even though most opponents will only fire at its turret.
 +
 
 +
Generally, if turret doesn't break in a single hit, the crew is taken out in such order: Firstly the enemy does a precise shot at the bottom-left (vehicle's right) of the turret to take out the gunner, then fires at the opposite to take out tank commander.
 +
 
 +
Turret may tank 20 mm autocannon shots, but only at about 1.2 km range, which is an acceptable duel range for the Marksman. Any non-stock combat SPAA's and light tanks, though, will breach it with no effort even from 3 km away.
 +
 
 +
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
 +
<!-- Example: * Rolled homogeneous armour (Front, Side, Rear, Hull roof)
 +
* Cast homogeneous armour (Turret, Transmission area) -->
  
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Like Falcon, Marksman's role is hiding around the battlefield, shooting at planes and punishing unsuspecting ground opponents, however it's much slower so it's doing its job from about kilometer away, or further, if possible.
+
{| class="wikitable"
 +
|-
 +
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 +
|-
 +
| Hull || ___ mm || ___ mm ''Top'' <br> ___ mm ''Bottom'' || ___ mm || ___ - ___ mm
 +
|-
 +
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
 +
|-
 +
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
 +
|-
 +
|}
  
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Radar allows it to have aiming reticle against closing in planes in RB. Reticle works the same way as in AB, however it doesn't say how far is the plane.  
+
'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
 +
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
  
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Since "lock on" update radar also allows you to specifically lock your turret to follow specific target (the one closest to your targeting reticle) and to see "true" targeting reticle, which will guarantee a hit up to 3km range and, on some occasions, even further, even if you don't have any modifications, unless enemy plane or helicopter changes course. It's default keybind is alt+F, which is '''very important''' to bind to anything else (for example, override N button, used for statistics), otherwise radar won't pick up targets reliably, due to "mouse pointer" mode from "alt" button.
+
=== Mobility ===
 +
{{Specs-Tank-Mobility}}
 +
<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
  
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If you want to use radar to specifically try and "find" one target, that is too far away for you to see, you can try to stop radar dish by using "change radar search mode" (not bound by default) and specifically look at direction you expect them to come from (enemy airfield, for example). If your turret will happen to detect them, they will appear on your radar screen, and you can target them. However, the use of this option is severely limited due to fact, that planes rarely move in straight line, so even if you will try to snipe them from 4km range, that will likely result in a miss, so defaul mode is almost always better.
+
{{tankMobility|abMinHp=1,178|rbMinHp=672}}
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[[File:Helisnipe marksman.jpg|thumb|You can snipe ATGM helicopters now. However, do not waste ammo on helicopters, that move around a lot, even radar cannot predict their dodges from '''this''' far away.]]
 
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The play style is much less aggressive than Falcon; however, the APDS belt is no joke, as '''every''' shell in it can penetrate about 100 mm of armour up to 500 meters and up to 60 mm at 2000 meters at 30°. As such, weaker side armour on most rank 5+ vehicles, of all nations can be threatened by the Marksman from almost any range, and it only brings much more pain to light vehicles from afar.Only soviets have decent enough armour on nearly all vehicles to negate it's firepower in optimal weapon range.
 
  
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It may feel like guns are similiar to falcon when you fire them but due to them being 35mm you can tear off plane wings even in one hit, and you can hit them even with stock gun easily from 1.8 km range without wasting too much ammo. Guns have convergence of about 1.5km (more or less, depending on "adjustments of fire" upgrade), which makes them better for leading targets, but also wasting some ammunition in process, and making vehicle weak at closer ranges.
+
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
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Guns still overheat in 10 seconds and can put the Marksman out of fighting capability for half a minute. Luckily, it's hardly necessary to go trigger happy with marksman's accuracy and with marksman you can instantly change belts to unjam the cannons.  
+
== Armaments ==
 +
{{Specs-Tank-Armaments}}
 +
=== Main armament ===
 +
{{Specs-Tank-Weapon|1}}
 +
<!-- ''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibility of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.'' -->
 +
{{main|Oerlikon KDA (35 mm)}}
  
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== General info ==
+
The Marksman has an extremely fast turning turret, so any incoming plane or light vehicle can be targeted fast.
−
=== Survivability and armour ===
 
−
<!--''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpfull for survival in combat?''
 
  
−
''If necessary use a visual template to indicate the most secure and weak zones of the armour.''-->The Chieftain chassis make this SPAA invulnerable to hull breaks and protects it fairly well against frontal attacks by light vehicles. The turret protection is not great, but it will stop most heavy machine gun fire at close range. It's almost like the FV4005 with slightly more armour on turret.  
+
Guns converge at about 1.2 km range without "Adjustment of Fire" modification and about 1.8 km with it. This makes firing at close range enemy vehicles very impractical, due to half of already low ammunition count being wasted. However, it's very convenient for firing at moving targets, including light tanks and jets, as the two separate autocannons increase the probability of a hit. It may feel like the guns are similar to the [[Falcon]]'s when fired, but due to them being 35 mm, shells will tear off plane wings even in one hit, and it's easy to hit them even with stock gun from 1.8 km range without wasting too much ammo due to radar assistance. Lightly-armoured vehicles get destroyed in about 30 shots at worst.
  
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Do not show the lower front plate to the enemy's tanks, as it's considerably weaker. Despite having better armour for hull, Marksman is extremely slow for it, so keeping the enemy away from this vehicle is the key to get all out of armour you have.  
+
The guns can disable both tracks of the enemy vehicle at once at 300 m distance if facing the enemy's front. This allows the Marksman to escape and ask teammates to finish off the threat.
  
−
Vehicle can be taken out by attacking the turret: Firstly enemy does precise shot at bottom-left (vehicle's right) of turret to take out the gunner, then fires at the opposite to take out tank commander. It's also easy to destroy your turret with chemical rounds. Your turret may tank 20mm auto cannon shots, but only at about 1.2 km range, which is an acceptable duel range for marksman. Any non-stock combat SPAA's and light tanks, though, will breach it with no effort even from 3km away.
+
Due to the belt limitations, the optimal playstyle is much less aggressive than the [[Falcon]]; however, the APDS belt is no joke, as every shell in it can penetrate about 100 mm of armour up to 500 m and up to 60 mm at 2,000 m at 30°. Laser rangefinder also ensures that Marksman volleys hit enemy tanks without failure. As such, weaker side armour on most rank V+ vehicles of all nations can be threatened by the Marksman from almost any range, and it only brings much more pain to light vehicles from afar. Only [[:Category:USSR ground vehicles|Soviet tanks]] have decent enough armour on nearly all vehicles to negate its firepower in optimal weapon range.
  
−
=== Mobility ===
+
Guns still overheat in about 10 seconds and can put the Marksman out of fighting capability for half a minute. Avoid spray-and-pray tactics and let the cannons cool down at least for a bit between volleys.
−
<!-- Write about the mobility of the ground vehicle. Estimate the specific power and maneuverability as well as the maximum speed forward and backward. -->
 
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="100%"
 
|-
 
|-
−
! colspan="3" |Mobility characteristic
+
! colspan="6" | [[Oerlikon KDA (35 mm)|35 mm Oerlikon KDA]] (x2) || colspan="5" | Turret rotation speed (°/s) || colspan="4" | Reloading rate (seconds)
 
|-
 
|-
−
!Weight (tons)
+
! Mode !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal !! Stabilizer
−
! colspan="1" |Add-on Armor<br>weight (tons)
+
! Stock !! Upgraded !! Full !! Expert !! Aced
−
! colspan="1" |Max speed (km/h)
+
! Stock !! Full !! Expert !! Aced
 
|-
 
|-
−
| rowspan="2" |55.0|| colspan="1" rowspan="2" |N/A|| colspan="1" |44 (AB)
+
! ''Arcade''
 +
| rowspan="2" | 500 (230) || rowspan="2" | 550 || rowspan="2" | -10°/+85° || rowspan="2" | ±180° || rowspan="2" | Two-plane || 79.3 ||109.7||133.2||147.3||156.7|| rowspan="2" | 1.30 || rowspan="2" |1.15|| rowspan="2" |1.06|| rowspan="2" |1.00
 
|-
 
|-
−
|41 (RB/SB)
+
! ''Realistic''
 +
| 53.5 ||63.0||76.5||84.6||90.0
 
|-
 
|-
−
! colspan="3" |Engine power (horsepower)
+
|}
−
|-
+
 
−
! colspan="1" |Mode
+
==== Ammunition ====
−
!Stock
+
There are two Ammunition belts, which are also split into 2 (one for each gun): the main belt and secondary belt.
−
!Upgraded
+
 
−
|-
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The Marksman can take 460 shells for the main belts and 40 for secondary, which is barely enough for one engagement. This may be insulting, but it's necessary for survival. Unlike with the [[Falcon]], when ammo for the main belt runs out, the second belt of pure anti-air or anti-armour rounds can be used as self-defence during restock on a capture point. Also, there won't be a need wait for the reload once the ammo restock is complete, as the Marksman is ready to fight nearly instantly.
−
|''Arcade''
+
 
−
|937
+
Note that the DM23 APDS belt can only be a secondary belt. There is also a difference in effective range between normal belt and APDS belt. For some reason, AP-I shells can only fly up to 3km away and even radar will refuse to help aiming them past that range. This does not happen with APDS, allowing to snipe even as far as 5 km, at which range even radar itself is barely capable of keeping up the lock on. The APDS belt is also completely invisible, allowing to suddenly snipe any aircraft that doesn't have RWR.
−
|___
+
 
−
|-
+
Rearming of the belts takes 20 seconds, but it can only do two belts at once (regardless of the belt type). The implication is, if any one cannon overheated and the belts are no longer homogeneous, you can get both belt types for that one gun at once, but the tank will be stuck using just one cannon from then on.
−
|''Realistic/Simulator''
 
−
|548
 
−
|___
 
−
|-
 
−
! colspan="3" |Power-to-weight ratio (hp/ton)
 
−
|-
 
−
! colspan="1" |Mode
 
−
!Stock
 
−
!Upgraded
 
−
|-
 
−
|''Arcade''
 
−
|17.03
 
−
|__.__
 
−
|-
 
−
|''Realistic/Simulator''
 
−
|9.96
 
−
|__.__
 
−
|}The speed of Marksman is very low. It barely can turn around and you can't use speed against enemy, due to poor hp/ton ratio.  
 
  
−
If you keep moving forward without changing direction, you might eventually reach 40km/h on flat terrain.
+
* '''Default:''' {{Annotation|API-T*|Armour-piercing incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEI-T*|High-explosive incendiary tracer (self-destroying)}}
 +
* '''DM11A1:''' {{Annotation|HEI-T*|High-explosive incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEI-T*|High-explosive incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEI-T*|High-explosive incendiary tracer (self-destroying)}}{{-}}{{Annotation|API-T*|Armour-piercing incendiary tracer (self-destroying)}}
 +
* '''DM13:''' {{Annotation|API-T*|Armour-piercing incendiary tracer (self-destroying)}}{{-}}{{Annotation|API-T*|Armour-piercing incendiary tracer (self-destroying)}}{{-}}{{Annotation|API-T*|Armour-piercing incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEI-T*|High-explosive incendiary tracer (self-destroying)}}
 +
* '''DM23:''' {{Annotation|APDS|Armour-piercing discarding sabot}}
  
−
== Armaments ==
+
{{:Oerlikon KDA (35 mm)/Ammunition|HEI-T*, API-T*, APDS}}
−
=== Main armament ===
 
−
<!--''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibilty of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.''--><!--Details on the main armament of the tank, which should default be the one fired with a left click and also that the stat card follows-->
 
−
{{main|Oerlikon KDA (35 mm)}}
 
  
 +
==== [[Ammo racks]] ====
 +
[[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
 +
<!-- '''Last updated:''' -->
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! colspan="6" | [[Oerlikon KDA (35 mm)|35 mm Oerlikon KDA]] (x2)
+
! Full<br>ammo
 +
! 1st<br>rack empty
 +
! 2nd<br>rack empty
 +
! Visual<br>discrepancy
 
|-
 
|-
−
! colspan="2" rowspan="1" style="width:5em" |Capacity (Belt capacity each)
+
| '''3''' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __
−
! rowspan="1" | Fire rate <br> (shots/minute)
 
−
! rowspan="1" | Vertical <br> guidance
 
−
! rowspan="1" | Horizontal <br> guidance
 
−
! rowspan="1" | Stabilizer
 
 
|-
 
|-
−
| colspan="2" | 500 (230) || 550 || -10°/+80° || ±180° || Two-plane
+
|}
−
|-
+
 
−
! colspan="6" | Turret rotation speed (°/s)
+
==== Optics and night vision ====
 +
{| class="wikitable" style="text-align:center"
 +
! colspan="7" | {{PAGENAME}} [[Optics]]
 
|-
 
|-
−
! style="width:4em" |Mode
+
! rowspan="3" |Type of optic
−
! style="width:4em" |Stock
+
! rowspan="3" |Magnification
−
! style="width:4em" |Upgraded
+
! colspan="5" |[[Night Vision Devices]]
−
! style="width:4em" |Prior + Full crew
 
−
! style="width:4em" |Prior + Expert qualif.
 
−
! style="width:4em" |Prior + Ace qualif.
 
 
|-
 
|-
−
| ''Arcade'' || 79.3 || __.__ || __.__ || __.__ || __.__
+
! colspan="3" |Image Intensifier
 +
! rowspan="2" |{{Annotation|Thermal Imager<br>Resolution|The higher the resolution the clearer and more detailed the image is}}
 +
! rowspan="2" |Notes
 
|-
 
|-
−
| ''Realistic'' || 53.5 || __.__ || __.__ || __.__ || __.__
+
! {{Annotation|Resolution|The higher the resolution the clearer and more detailed the image is}}
 +
! {{Annotation|Light Mult|By how much the image intensifier amplifies the existing light, primarily useful for comparing image intensifiers}}
 +
! {{Annotation|Noise Level|How much noise is present in the image (how grainy the image is)}}
 
|-
 
|-
−
! colspan="4" | Reloading rate (seconds)
+
! Gunner's Sight
−
| colspan="2" |Rearm rate (seconds)
+
| X3 - X10 || N/A || N/A || N/A || Not Fitted ||
 
|-
 
|-
−
! colspan="1" style="width:4em" |Stock
+
! Commander's View
−
! colspan="1" style="width:4em" |Prior + Full crew
+
| X3 - X10 || N/A || N/A || N/A || Not Fitted ||
−
! colspan="1" style="width:4em" |Prior + Expert qualif.
 
−
! colspan="1" style="width:4em" |Prior + Ace qualif.
 
−
|Main belt
 
−
|Secondary belt
 
 
|-
 
|-
−
| 1.3 || __.__ || __.__ || __.__
+
! Driver's View
−
|~45.0
+
| X1 / 3PV || 800X600 || _ || high || Not Fitted || Only useable with tier 2 upgrade
−
|~5.0
 
 
|-
 
|-
 
|}
 
|}
  
−
<!-- Rearm rate have been taken from AB. May be different in RB. -->Marksman has an extremely fast turning turret, so any incoming plane or light vehicle can be targeted fast.
+
Use night vision to avoid hostile tanks or to fight them at close range at night. The image intensifier is not installed for gunner or commander, so be cautious when shifting between third person and other views during night.
 +
 
 +
While Chieftain Marksman gun convergence can allow its user to fire at targets in 3-rd person view and still hit a target, you have to use sniper scope to increase accuracy of radar aim, but keep [[SPAA_radars#Sensor_guidance_errors|sensor guidance errors]] in mind during this.
 +
 
 +
Commander sight can be used in AB/RB to fire weapons at super long range while only exposing the radar and optics, as otherwise "sniper optics" are located lower on cannon level. This does not make fighting much safer in general as the radar is still exposed, but can sometimes help when fighting tanks on high ground.
  
−
Guns converge at about 1.2 km range without "Adjustments of Fire" modification and about 1.8 km with it. This makes firing at close range enemy vehicles very impractical, due to low ammunition count. However, it's very convenient for firing at moving targets, including light tanks and jets, as if two separate autocannons increase the probability of a hit.  
+
Rely mostly on radar when firing at night, but do not forget to reduce zoom and check, if lock-on is stable, as it may wobble around the target at times.
  
−
The guns can disable both tracks of enemy vehicle at once at 300 m distance, if facing enemy's front. This allows you to escape and ask teammate to finish off the threat.  
+
===Radars===
 +
{{main|Marconi S 400}}
 +
The Chieftain Marksman is equipped with a [[Marconi S 400]] search and tracking radar, mounted on top of the turret, at the rear. The radar system lacks track while scan but can find and track targets in a full 360° area around the turret (instead of just to the front of the turret). This radar also can lock onto anything it spotted by selecting targets on radar display and then pressing lock on button in third person view to save time (the turret turns towards the target on its own). This radar can be chaffed, so target should be destroyed before it can disrupt the lock.
  
−
Since the guns are 35 mm, they also deal more damage than 30 mm of previous generation SPAA, use the explosive ammo to destroy planes in about 1 to 2 hits, lightly armoured vehicles get destroyed in about 30 shots at worst.
+
If you want to use radar to specifically try and "find" a target that is too far away to see, or do not want to alert the entire enemy air force of your existence, you can try to stop radar dish by using "change radar search mode" (not bound by default) and specifically look towards the direction aircrafts are expected to come from (the enemy airfield, for example). If the radar happens to detect them, they will appear on the radar screen, and you can lock onto them. However, the use of this option is severely limited due to the fact that planes rarely move in a straight line, so even if you try to snipe them from 4 km range, it will likely result in a miss, so the default search mode is generally better.
  
−
'''Belt types:'''
 
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
−
! colspan="9" |Penetration statistics
+
! colspan="5" | [[Marconi S 400]] - Target Detection Radar
 
|-
 
|-
−
! rowspan="2" |Belt
+
! {{Annotation|Maximum<br/>Detection<br/>Range|The maximum possible range at which a target can be detected}}
−
! rowspan="2" |Type of <br>warhead
+
! {{Annotation|Minimum<br/>Detection<br/>Range|The range, below which, a target cannot be detected}}
−
! colspan="6" |'''Penetration''' '''''in mm''''' '''@ 0° Angle of Attack'''
+
! {{Annotation|Max Azimuth<br/>Scan Angle|How far to each side the radar can scan (widest search mode)}}
 +
! {{Annotation|Max Elevation<br/>Scan Angle|How far up and down the radar can scan (widest search mode)}}
 +
! {{Annotation|Minimum<br/>relative speed|The minimum speed a target must be moving, relative to the radar, in order to be detectable by the radar}}
 
|-
 
|-
−
!10m
+
| 12,000 m || 1,000 m || 360° || -10°/+90° || 15 m/s (54 km/h)
−
!100m
 
−
!500m
 
−
!1000m
 
−
!1500m
 
−
!2000m
 
 
|-
 
|-
−
|Default || API-T, HEI-T || 67 || 64 || 52 || 39 || 30 || 23
+
! colspan="5" | [[Marconi S 400]] - Target Tracking Radar
 
|-
 
|-
−
|DM11A1 || API-Tx3, HEI-T || 67 || 64 || 52 || 39 || 30 || 23
+
! {{Annotation|Maximum<br/>Tracking<br/>Range|The maximum range at which a target can be tracked}}
 +
! {{Annotation|Minimum<br/>Tracking<br/>Range|The range below which targets cannot be tracked by the radar}}
 +
! {{Annotation|Azimuth Tracking<br/>Angle|How far to each side the radar can track a target}}
 +
! {{Annotation|Elevation Tracking<br/>Angle|How far up and down the radar can track a target}}
 +
! {{Annotation|Minimum<br/>relative speed|The minimum speed a target must be moving, relative to the radar, in order to be tracked by the radar}}
 
|-
 
|-
−
| DM-13 || HEI-Tx3, API-T || 67 || 64 || 52 || 39 || 30 || 23
+
| 10,000 m || 100 m || 360° || -10°/+87° || 15 m/s (54 km/h)
 
|-
 
|-
−
| DM-23 || APDS || 112 || 110 || 101 || 90 || 71 || 62
 
 
|}
 
|}
  
−
'''Note''': HEI-T does no damage to armoured targets, but critically damages planes.
+
== Usage in battles ==
 +
<!-- ''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
  
−
Ammunition belts are split into 2: main one and secondary one.  
+
Follow the team's push and take some nice fortified position with sight on the capture point, destroying any scout vehicles that attempt to get close while looking for planes. Conducting both actions at once is crucial to not only deny the enemy a recon point but also for self-preservation to keep the Marksman protected. Fighting at a distance will be best to minimize convergence distance to avoid wasting ammunition on the lead. Vertical traverse of cannons is almost instant, so that should not be a concern when shifting from ground to air target. As the main belt's ammo runs out, move closer to the capture point to rearm. With this tactic, use the secondary belt only for self-defence on the capture point, or if it's really necessary for a teammate's survival.
  
−
The Marksman can take 460 shells for main belt and 40 for secondary, which is barely enough for 1 engagement. This may be insulting, but it's necessary for survival. Unlike Falcon, when ammo for the main belt runs out, this could be reloaded at capture point while the secondary belt of pure anti-air or anti-armor rounds that could be used as self-defense.
+
Alternatively, you could go straight for capture point defence and unload secondary belts onto every passing plane, light tank, SPAA and poorly armoured MBT, then immediately rearm. Since your guns convergence is 1-2 km depending on upgrades, there is little chance that any vehicle which is travelling in a straight line can dodge your double cannon lead. However, don't expect to successfully push away medium tanks, if your belt isn't APDS, and it's very likely that the enemy's return fire will heavily damage or overpressure you, as capture points rarely provide any cover, so move out and use your main belt, when forced to.
  
−
Also, there won't be a need to reload a new belt once the ammo restock is complete, so the Marksman is ready to fight quicker. The other thing with ammunition belts is that since APDS belt is now purely APDS. This makes decision about secondary belt being fully anti-tank or fully anti-air ever more annoying and affecting your playstyle.
+
Using radar-assisted aim is advised since it's more accurate and can lead to hits at over 3 km range. To conserve ammo, however, do not just blindly follow it, especially in arcade, as arcade mode aircraft tend to dodge direct shots - do some short bursts around it. If you are standing on a frontline, remember that the Marksman is very tall and it is not rare for some tankers to get annoyed by your presence and try to shoot the radar off the turret, even if the turret itself is almost entirely behind cover and attack achieves nothing else, so try to move somewhere remotely safe if you are expecting an air raid.
  
−
You can only reload one belt at once. Your secondary belt rearms in about 5 seconds, while your main belt rearms for about 45 seconds.Thus, your playstyle is majorly dictated by how far from capture point you are.
+
In arcade mode your combat ability is severely limited, due to many maps being 2 x 2 km wide at best, so on such maps you could try to train your crew with very high "keen vision", then try to camp enemy base entrances across the map, using the fact that your shells have little penetration falloff over distance, laser rangefinder assistance and slight armour angling. This would require great map knowledge, though. If you do not have map knowledge or are quickly bored, try to follow some medium tanks and attack whoever tries to flank or got distracted by them, but be ready to suffer consequences if you fail. As soon as enemy planes or attack helicopters appear, destroy them.
  
−
===== [[Ammo racks|Ammo racks]] =====
+
On big maps in arcade mode, keep in mind, that every sniper tank on enemy team might try to shoot in your direction, as soon as they are done destroying medium tanks, or if hostile light tank "scout" you. It is very hard to snipe planes from spawn on such maps, so try to secure some "trench line" in form of a hill, which you can use to follow your team even under sniper fire. Snipe lightly-armoured tanks back, if they expose themselves. Having high "keen vision" greatly helps at this as well.
−
[[File:Ammoracks_{{PAGENAME}}.png|right|thumbnail|[[Ammo racks|Ammo racks]] of the Chieftain Marksman]]
 
−
{| class="wikitable sortable" style="text-align:center"
 
−
|-
 
−
! class="wikitable unsortable" |Full<br /> ammo
 
−
! class="wikitable unsortable" |1st<br />  rack empty
 
−
! class="wikitable unsortable" |2nd<br />  rack empty
 
−
! class="wikitable unsortable" |3rd<br />  rack empty
 
−
! class="wikitable unsortable" |4th<br />  rack empty
 
−
! class="wikitable unsortable" |5th<br />  rack empty
 
−
! class="wikitable unsortable" |6th<br />  rack empty
 
−
! class="wikitable unsortable" |Visual<br /> discrepancy
 
−
|-
 
−
|| '''XX''' || XX&nbsp;''(X+)'' || &nbsp;''(+)'' || &nbsp;''(+)'' || &nbsp;''(+)'' || &nbsp;''(+)'' || &nbsp;''(+)'' || style="text-align:left" | no
 
−
|-
 
−
|}
 
  
−
== Usage in battles ==
+
Some enemies to be concerned about:
−
<!--''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
 
−
Follow the team's push and take some nice fortified position with sight on the capture point, destroying any scout vehicle that attempt to get close while looking for planes. Conducting both actions at once is crucial to not only deny the enemy a recon point, but also for self-preservation to keep the Marksman protected. Fighting at a distance will be best to minimize convergence distance to avoid wasting ammunition on the lead. Vertical traverse of cannons is almost instant, so that should not be a concern when shifting from a ground to air target.As main belt's ammo runs out, move closer to capture point for rearm. With this tactic, use secondary belt only for self defence on capture point, or if it's really necessary for teammate's survival.
 
  
−
Alternatively, you could go straight for capture point defence and unload secondary belts onto every passing by plane, light tank, SPAA and poorly armoured MBT, then immideately rearm. Since your guns convergence is 1-2km depending on upgrades, there is little chance any vehicle which is travelling in straight line can dodge your double cannon lead. However, don't expect to successfully push away medium tanks, if your belt isn't APDS, and it's very likely that enemy's return fire will heavily damage you, as capture points rarely provide any cover, so move out and use main belt, when forced to.  
+
* '''Soviet tanks''': Avoid them as much as possible. With the gun convergence and reduced movement speed, it will not be easy to defeat them in a duel, as their frontal armour is almost always impenetrable, even for APDS belt. Detrack them and communicate with teammates to finish them off. Sometimes their medium tank drivers are very arrogant and underestimate the Marksman, due to how rarely it is spaded and do not immediately turn their frontal armour towards it, thinking that you cannot destroy them anyway - punish them by shredding their tank with APDS belt, or by firing AP belt into generally weak side-bottom part of their tank.
 +
* '''Maus''': It's invulnerable. Best not to show up in parts of that map it controls.
 +
* '''Centauro''': This is the epitome of all tanks the Marksman wants to shoot at - it is mobile, can reach and flank your position in a minute and has scouting as well. Fortunately, it also has the armour of a light tank, so if you see it out of cover, drop your lock on and fire at it, before it hides away.
 +
* '''Helicopters''': While helicopters are slow and may look like an easy target, they can change direction of flight and throw off radar aim or try to drop altitude, avoiding shots from over two kilometres away, so keep checking where it is trying to turn or roll, instead of just firing at the radar aiming reticle. Also, due to the Marksman's cannon convergence, try to keep them away from you or spread shots horizontally, as it is not rare to only cut off weapon pylons off attack helicopter, but fail to actually disable its gunner/co-pilot, so if after critical hit on a helicopter or setting it on fire ATGM still flies directly at your SPAA, it is better to hide behind something. Any ATGM helicopters are best destroyed with a short burst of APDS before they can spot and evade you. The radar will keep your aim true, so don't worry about accuracy during movement too much. After a certain point, helicopters acquire 8 km range ATGMs and outclass you entirely, which is when you have to swap to the next generation SPAA, especially in RB.
  
−
In arcade mode your combat ability is severely limited, due to maps being 2x2 km wide at best, so you could try to train your crew with very high "keen vision", then try to camp enemy base entrances across the map, using the fact, that your shells have little penetration falloff from distance and slight armor angling. This would require great map knowledge, though. As soon as enemy planes or Attack helicopters appear, destroy them. Using radar-assisted aim is adviced (since it's more accurate and can lead to hits at over 3km range) to conserve ammo, however, do not just blindly follow it, as arcade mode aircrafts tend to dodge direct shots - do some short bursts around it.
+
[[File:Radar shot marksman.jpg|thumb|300px|Radar makes hitting passive pilots extremely easy, and in Realistic Battle you can take them down with just 1 hit of explosive ammo. Even if it doesn't look like a fatal hit, it can eventually force plane to crash. In arcade mode radar guidance ensures you won't need to spend your entire ammunition trying to take down one bomber or ATGM helicopter.]]
  
−
Some enemies to be concerned about:
+
=== Pros and cons ===
−
 
+
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
−
* Soviet tanks: Avoid them as much as possible. With the gun convergence and reduced movement speed, it will not be easy to defeat them in a duel. Detrack them and communicate to the teammates to finish them off.
 
−
* Maus: It's invulnerable. Best to not show up in parts of map it controls.
 
  
−
=== Pros and cons ===
 
−
<!--''Summarize and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they have a substitution in the form of softer "inadequate", "effective".''-->[[File:Radar shot marksman.jpg|thumb|400x400px|Radar makes hitting passive pilots extremely easy, and in Realistic Battle you can take them down with just 1 hit of explosive ammo. Even if it doesn't look like fatal hit, it can eventually force plane to crash. In arcade mode radar guidance ensures you won't need to spend your entire ammunition trying to take down one bomber or ATGM helicopter.]]
 
 
'''Pros:'''
 
'''Pros:'''
  
−
* Guns produce great effect upon shell contact on target, requiring only one or two hits to down a plane
+
* Guns produce a great effect upon shell contact on target, requiring only one or two hits to down a plane
−
* Can fire effectively at longer ranges than Falcon and has radar guidance on top of that.
+
* Can fire effectively at longer ranges than [[Falcon]] and has laser rangefinder with radar guidance on top of that
−
* Chieftain hull offers good protection
+
* Compared to [[Gepard]] and [[Type 87]] has relatively easy time shooting down planes even without use of a sniper scope
−
* Secondary belts allow for safer rearms
+
* Secondary belts and near-instant reload allows for safer rearms compared to the [[Falcon]] and the [[M163]] Vulcan
 +
* Has a stable radar system with full 360° target tracking - it rarely ever needs to be manually locked on
 +
* Unlike the latter [[ZA-35]], can lock-on with radar display and lock through some trees, at the cost of triggering radar warning systems
 +
* Due to how tall this SPAA is, the APDS belt can breach weak spots of some tanks which rely on angled armour in a downtier
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* Low mobility
+
* Low mobility - it can't outrun most of its opponents and moving around the map at its rank can be a challenge in itself, eventually becomes obsolete because of this
−
* APDS ammo is now put into separate belt, which may be inconvenient to use with low ammunition capacity
+
* LFP is a weak spot even for some light tanks, turret is lightly-armoured and is a big target for rockets and other explosives - keeping 1.3 km distance is crucial when fighting light tanks and other SPAA
 +
* Due to very tall profile it is an easy target, when compared to other SPAAs of the rank. it is hard to never show it to medium tanks or SPGs in order to avoid being destroyed by overpressure
 +
* The cannon's convergence makes the Marksman weaker in close combat, as it can only hit targets with one gun at short range
 +
* Ammunition count is low, firing in 20-30 shot bursts is almost a must
 +
* APDS ammo is now put into a separate belt, which may be inconvenient to use with a low ammunition capacity
 
* Slower rate of fire than other SPAA
 
* Slower rate of fire than other SPAA
−
* LFP is a weak spot
+
* Radar system lacks track while scan and has relatively poor range
−
* Turret is lightly armoured and a big target
+
* Still does not have gunner night vision, although radar mostly compensates for that (can cause problems at pitch black maps of 9.0+)
−
* Cannons convergence makes the Marksman weaker in close combat
+
* Main belt can only be radar-guided at up to 3 km range, ATGM sniper helicopters like [[Alouette (Family)]] can simply outrange it, unless APDS is unlocked
  
 
== History ==
 
== History ==
−
<!--''Describe the history of the creation and combat usage of the ground vehicle in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></nowiki></code>, as well as adding them at the end of the article.''-->
+
<!-- ''Describe the history of the creation and combat usage of the vehicle in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
−
With the development of more effective modern weapon systems, deployed from aircraft capable of flying at very high speeds and low altitudes, mobile ground troops were more susceptible to air attack than ever. The British Marconi Electronic Systems company came to the same conclusion during the early 1980s and began independently developing the Marksman project after realizing how little work was being done in the field of modern SPAA development. The concept of the Marksman project wasn’t the development of an entirely new vehicle, but rather of a modern anti-air platform that could be fitted to a wide range of suitable military vehicles, even non-British ones. Naturally, the platform had to be capable of dealing with the most modern threats, such as high-speed attack aircraft and helicopters. In order to achieve this, Marconi engineers gave the Marksman a highly advanced radar detection and targeting system and paired it up with twin 35mm Oerlikon KDA cannons in a similar fashion as found on the German Flakpanzer Gepard.
+
'''Development'''
 +
 
 +
In the mid to late 1960s, the second generation of main battle tanks were becoming the focal point of armoured warfare. Main battle tanks were vulnerable to air attack and the British Army lacked anti-air defences capable of keeping up with MBT formations. Two prototype anti-aircraft turrets were mounted to a Chieftain hull; the Marconi Defence Systems Marksman and a Royal Ordnance turret named 'Sabre'.<ref>Griffin, R. (2001) Chieftain. Marlborough: The Crowood Press, p. 149.</ref>
 +
 
 +
The Marconi Electronic Systems turret atop the Chieftain hull was fitted with twin Oerlikon 35 mm cannons effective at up to 4,000 metres distance. Intended targets were low-flying aircraft and attack helicopters, however, APDS ammunition would allow the Marksman the opportunity to engage even substantially armoured ground targets. Using a primary surveillance radar in conjunction with automated detection, tracking, and firing systems, the Marksman could engage multiple targets just 6 seconds after first detecting them.<ref>Dunstan, S. (1989) The Chieftain Tank. London: Arms and Armour Press, p. 45-6.</ref>
  
−
The testing of the first construction prototype was done on the chassis of the Chinese Type 59 tank. This decision was primarily made in an effort to optimize the platform for use on similar Chinese machines in order to attract potential customers using Chinese vehicles. In 1984, further tests were conducted, only this time around, using chassis of British vehicles such as the Centurion, Chieftain and Challenger 1. However, in order to further increase the number of vehicles that could potentially fit the Marksman platform, Marconi developed several adapters that allowed the platform to be fitted on hulls with a turret ring diameter smaller or in excess of 1840mm. However, as even newer, more capable aircraft weapon systems were developed during the ‘80s which could easily destroy such SPAAs, the Marksman system became more or less obsolete before it was even deployed. Due to this, the primary expected customer - the British Armed Forces - didn’t show any interest in adopting a conventional SPAA system, such as the Marksman. Only a limited number of Marksman systems was employed by the Finnish army on their ItPsv 90 SPAAs, which were retired from active service in 2010 and replaced with Leopard 2 Marksman conversions which are still in service today.
+
'''Legacy'''
  
−
''- From [https://warthunder.com/en/news/5523-development-chieftain-marksman-top-scoring-shooter-en Devblog]''
+
Neither of the two anti-air turret variants were adopted by the British Army following their trials, but valuable information was gathered, which would influence the future of the British Army's air defence doctrines. The Marksman turret would be operationally used in small numbers by the Finnish Defence Forces; initially mounted onto a T-55 hull and in recent years retrofitted onto the Leopard 2A4 hull.<ref>(2015) ''MAAVOIMIEN LIIKKUVUUDEN JA TULIVOIMAN ROLL OUT PANSSARIPRIKAATISSA''. Finnish Defence Forces. Available at: <nowiki>https://web.archive.org/web/20151005155147/http://www.puolustusvoimat.fi/wcm/a2748e00495d6be1a9e0a98833fba23b/Toimintanaytoksen_materiaalitiedot_5%2B8%2B2015.pdf?MOD=AJPERES</nowiki> (Accessed: October 29, 2022).</ref>
 +
 
 +
=== [[wt:en/news/5523-development-chieftain-marksman-top-scoring-shooter-en|Devblog]] ===
 +
With the development of more effective modern weapon systems, deployed from aircraft capable of flying at very high speeds and low altitudes, mobile ground troops were more susceptible to air attack than ever. The British Marconi Electronic Systems company came to the same conclusion during the early 1980s and began independently developing the Marksman project after realizing how little work was being done in the field of modern SPAA development. The concept of the Marksman project wasn't the development of an entirely new vehicle, but rather of a modern anti-air platform that could be fitted to a wide range of suitable military vehicles, even non-British ones. Naturally, the platform had to be capable of dealing with the most modern threats, such as high-speed attack aircraft and helicopters. In order to achieve this, Marconi engineers gave the Marksman a highly advanced radar detection and targeting system and paired it up with twin 35 mm Oerlikon KDA cannons in a similar fashion as found on the German Flakpanzer Gepard.
 +
 
 +
The testing of the first construction prototype was done on the chassis of the Chinese Type 59 tank. This decision was primarily made in an effort to optimize the platform for use on similar Chinese machines in order to attract potential customers using Chinese vehicles. In 1984, further tests were conducted, only this time around, using chassis of British vehicles such as the Centurion, Chieftain and Challenger 1. However, in order to further increase the number of vehicles that could potentially fit the Marksman platform, Marconi developed several adapters that allowed the platform to be fitted on hulls with a turret ring diameter smaller or in excess of 1,840 mm. However, as even newer, more capable aircraft weapon systems were developed during the 1980s which could easily destroy such SPAAs, the Marksman system became more or less obsolete before it was even deployed. Due to this, the primary expected customer - the British Armed Forces - didn't show any interest in adopting a conventional SPAA system, such as the Marksman. Only a limited number of Marksman systems was employed by the Finnish army on their ItPsv 90 SPAAs, which were retired from active service in 2010 and replaced with Leopard 2 Marksman conversions which are still in service today.
  
 
== Media ==
 
== Media ==
−
''An excellent addition to the article will be video guides, as well as screenshots from the game and photos.''
+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 +
 
 +
;Skins
 +
 
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=uk_chieftain_marksman Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Videos
 +
{{Youtube-gallery|8dkhjEhFXBY|'''The Shooting Range #105''' - ''Metal Beasts'' section at 00:32 discusses the Chieftain Marksman.}}
  
 
== See also ==
 
== See also ==
−
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
+
<!-- ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 +
* ''reference to the series of the vehicles;''
 +
* ''links to approximate analogues of other nations and research trees.'' -->
 +
;Related development
 +
* [[Chieftain (Family)]]
 +
* [[ItPsV Leopard]] - <small>Same Marksman turret</small>
  
−
* ''reference to the series of the vehicles;''
+
;Other vehicles of similar configuration and role
−
* ''links to approximate analogues of other nations and research trees.''
+
* [[Oerlikon KDA (35 mm)]]
 +
** [[File:FRG flag.png|30px|link=]] [[Gepard]]
 +
** [[File:Japan flag.png|30px|link=]] [[Type 87]]
 +
** [[File:Finland flag.png|30px|link=]] [[ItPsV Leopard]]
 +
** [[File:South Africa flag.png|30px|link=]] [[ZA-35]]
 +
** [[File:China flag.png|30px|link=]] [[PGZ09]]
 +
* [[File:Sweden flag.png|30px|link=]] [[VEAK 40]]
 +
* [[File:France flag.png|30px|link=]] [[AMX-30 DCA]]
 +
* [[File:USSR flag.png|30px|link=]] [[ZSU-37-2]]
  
 
== External links ==
 
== External links ==
−
<!--''Paste links to sources and external resources, such as:''
+
<!-- ''Paste links to sources and external resources, such as:''
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
−
* ''encyclopedia page on tank;''
+
* ''other literature.'' -->
−
* ''other literature.''-->
+
 
 +
* [[wt:en/news/5523-development-chieftain-marksman-top-scoring-shooter-en|[Devblog] Chieftain Marksman: Top Scoring Shooter]]
  
−
* [https://warthunder.com/en/news/5523-development-chieftain-marksman-top-scoring-shooter-en [Devblog<nowiki>]</nowiki> Chieftain Marksman: Top Scoring Shooter]
+
=== References ===
 +
<references />
  
 
{{Britain anti-aircraft vehicles}}
 
{{Britain anti-aircraft vehicles}}

Latest revision as of 11:57, 26 June 2024

RANK 5 FRANCE
Somua SM PACK
This page is about the British SPAA Chieftain Marksman. For other versions, see Chieftain (Family).
Chieftain Marksman
uk_chieftain_marksman.png
GarageImage Chieftain Marksman.jpg
ArtImage Chieftain Marksman.png
Chieftain Marksman
Britain flag.png Britain
VI Rank
Battle rating:
AB RB SB
8.3 8.3 8.3
Class:
Research:135 000 Specs-Card-Exp.png
Purchase:380 000 Specs-Card-Lion.png
Show in game

Description

The Marconi Electronic Systems Chieftain Mk.10 Marksman (shortened to Chieftain Marksman) was one of the available chassis for the GEC Marconi Marksman turret system based on the British FV4201 Chieftain. The intention of Marconi Marksman was an anti-aircraft system solution by utilizing the existing fleets of obsolete tanks and upgrade them with a twin 35 mm turret, comparable to the Bundeswehr's Gepard and JGSDF's Type 87. The version based on Chieftain Mk 5 using Leyland L60 Mark 8A engine was tested by the British Army; the vehicle was not adopted by British Army but the turret system has been exported to Finland as the ItPsV 90 with T-55AM and Leopard 2A4 chassis.

You can snipe ATGM helicopters. However, do not waste ammo on agile support helicopters that move around a lot, even radar cannot predict their dodges from this far away.

Introduced in Update 1.79 "Project X" as the earliest radar SPAA in British tech tree. Since Update 1.87 "Locked On", the radar also allows you to lock your turret to follow a specific target and to see a "true" targeting reticle, which will guarantee a hit up to 3 km range and, on some occasions even further, even if you don't have any modifications, unless the enemy aircraft changes course. It is very important to change the keybinding of the radar lock key (default "alt + F"), as radar won't reliably lock on to targets, due to "mouse pointer" mode from "alt" button.

General info

Survivability and armour

Smoke grenades
Creation of a smoke screen in front of the vehicle
Armourfront / side / back
Hull86 / 38 / 25
Turret25 / 20 / 10
Crew3 people
Visibility89 %
Even a glancing hit to a turret of powerful enough shell will annihilate SPAA immediately.

The Chieftain chassis is fairly well protected against frontal attacks by light vehicles. The turret protection, however, is not great - it will stop most heavy machine-gun fire at close range, but any chemical shell of high calibre could cause overpressure damage and just implode it in a single hit. Overall, tank feels almost like the FV4005 with slightly more armour on turret.

Do not show the lower front plate to the enemy's tanks, as it's considerably weaker. Despite having better armour for hull, the Marksman is extremely slow for it, so keeping the enemy away from this vehicle is the key to making the most of the armour it have, even though most opponents will only fire at its turret.

Generally, if turret doesn't break in a single hit, the crew is taken out in such order: Firstly the enemy does a precise shot at the bottom-left (vehicle's right) of the turret to take out the gunner, then fires at the opposite to take out tank commander.

Turret may tank 20 mm autocannon shots, but only at about 1.2 km range, which is an acceptable duel range for the Marksman. Any non-stock combat SPAA's and light tanks, though, will breach it with no effort even from 3 km away.

Armour type:

Armour Front (Slope angle) Sides Rear Roof
Hull ___ mm ___ mm Top
___ mm Bottom 		___ mm ___ - ___ mm
Turret ___ - ___ mm Turret front
___ mm Gun mantlet 		___ - ___ mm ___ - ___ mm ___ - ___ mm
Cupola ___ mm ___ mm ___ mm ___ mm

Notes:

Mobility

Speedforward / back
AB53 / 13 km/h
RB and SB49 / 12 km/h
Number of gears6 forward
2 back
Weight55.0 t
Engine power
AB1 450 hp
RB and SB760 hp
Power-to-weight ratio
AB26.4 hp/t
RB and SB13.8 hp/t
Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 53 13 55 1,178 1,450 21.42 26.36
Realistic 49 12 672 760 12.22 13.82

Modifications and economy

Repair costBasic → Reference
AB4 795 → 6 617 Sl icon.png
RB4 102 → 5 660 Sl icon.png
SB5 159 → 7 119 Sl icon.png
Total cost of modifications113 000 Rp icon.png
193 000 Sl icon.png
Talisman cost2 300 Ge icon.png
Crew training110 000 Sl icon.png
Experts380 000 Sl icon.png
Aces1 400 Ge icon.png
Research Aces830 000 Rp icon.png
Reward for battleAB / RB / SB
150 / 190 / 230 % Sl icon.png
208 / 208 / 208 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
4 800 Rp icon.png
Cost:
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180 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
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Cost:
8 600 Sl icon.png
200 Ge icon.png
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Brake System
Research:
5 400 Rp icon.png
Cost:
8 600 Sl icon.png
200 Ge icon.png
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Filters
Research:
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Cost:
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280 Ge icon.png
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Transmission
Research:
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Cost:
16 000 Sl icon.png
370 Ge icon.png
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Engine
Research:
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Cost:
16 000 Sl icon.png
370 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
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Cost:
7 600 Sl icon.png
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Improved FPE
Research:
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Cost:
8 600 Sl icon.png
200 Ge icon.png
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Crew Replenishment
Research:
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Cost:
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280 Ge icon.png
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Horizontal Drive
Research:
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Cost:
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35mm_kda_HE_ammo_pack
Research:
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Cost:
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180 Ge icon.png
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Laser rangefinder
Research:
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Cost:
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35mm_kda_APHEI_ammo_pack
Research:
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Cost:
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Adjustment of Fire
Research:
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Cost:
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Elevation Mechanism
Research:
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Cost:
12 000 Sl icon.png
280 Ge icon.png
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Smoke grenade
Research:
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Cost:
12 000 Sl icon.png
280 Ge icon.png
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35mm_kda_APDS_ammo_pack
Research:
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Cost:
16 000 Sl icon.png
370 Ge icon.png
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Artillery Support
Research:
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Cost:
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Armaments

Laser rangefinder
Reduces the error and increases the maximum measurable distance of the rangefinder

Main armament

2 x 35 mm Oerlikon KDA cannon
Two-plane stabilizer
Reduces the swing of the gun in two planes while moving
Ammunition500 rounds
Belt capacity230 rounds
Reloadbasic crew → aces
1.3 → 1.0 s
Fire rate550 shots/min
Vertical guidance-10° / 85°
Main article: Oerlikon KDA (35 mm)

The Marksman has an extremely fast turning turret, so any incoming plane or light vehicle can be targeted fast.

Guns converge at about 1.2 km range without "Adjustment of Fire" modification and about 1.8 km with it. This makes firing at close range enemy vehicles very impractical, due to half of already low ammunition count being wasted. However, it's very convenient for firing at moving targets, including light tanks and jets, as the two separate autocannons increase the probability of a hit. It may feel like the guns are similar to the Falcon's when fired, but due to them being 35 mm, shells will tear off plane wings even in one hit, and it's easy to hit them even with stock gun from 1.8 km range without wasting too much ammo due to radar assistance. Lightly-armoured vehicles get destroyed in about 30 shots at worst.

The guns can disable both tracks of the enemy vehicle at once at 300 m distance if facing the enemy's front. This allows the Marksman to escape and ask teammates to finish off the threat.

Due to the belt limitations, the optimal playstyle is much less aggressive than the Falcon; however, the APDS belt is no joke, as every shell in it can penetrate about 100 mm of armour up to 500 m and up to 60 mm at 2,000 m at 30°. Laser rangefinder also ensures that Marksman volleys hit enemy tanks without failure. As such, weaker side armour on most rank V+ vehicles of all nations can be threatened by the Marksman from almost any range, and it only brings much more pain to light vehicles from afar. Only Soviet tanks have decent enough armour on nearly all vehicles to negate its firepower in optimal weapon range.

Guns still overheat in about 10 seconds and can put the Marksman out of fighting capability for half a minute. Avoid spray-and-pray tactics and let the cannons cool down at least for a bit between volleys.

35 mm Oerlikon KDA (x2) Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity (Belt) Fire rate Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 500 (230) 550 -10°/+85° ±180° Two-plane 79.3 109.7 133.2 147.3 156.7 1.30 1.15 1.06 1.00
Realistic 53.5 63.0 76.5 84.6 90.0

Ammunition

There are two Ammunition belts, which are also split into 2 (one for each gun): the main belt and secondary belt.

The Marksman can take 460 shells for the main belts and 40 for secondary, which is barely enough for one engagement. This may be insulting, but it's necessary for survival. Unlike with the Falcon, when ammo for the main belt runs out, the second belt of pure anti-air or anti-armour rounds can be used as self-defence during restock on a capture point. Also, there won't be a need wait for the reload once the ammo restock is complete, as the Marksman is ready to fight nearly instantly.

Note that the DM23 APDS belt can only be a secondary belt. There is also a difference in effective range between normal belt and APDS belt. For some reason, AP-I shells can only fly up to 3km away and even radar will refuse to help aiming them past that range. This does not happen with APDS, allowing to snipe even as far as 5 km, at which range even radar itself is barely capable of keeping up the lock on. The APDS belt is also completely invisible, allowing to suddenly snipe any aircraft that doesn't have RWR.

Rearming of the belts takes 20 seconds, but it can only do two belts at once (regardless of the belt type). The implication is, if any one cannon overheated and the belts are no longer homogeneous, you can get both belt types for that one gun at once, but the tank will be stuck using just one cannon from then on.

  • Default: API-T* · HEI-T*
  • DM11A1: HEI-T* · HEI-T* · HEI-T* · API-T*
  • DM13: API-T* · API-T* · API-T* · HEI-T*
  • DM23: APDS

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
HEI-T* 11 11 9 8 6 5
API-T* 68 66 57 47 39 32
APDS 127 125 118 110 102 95
Shell details
Ammunition Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
HEI-T* 1,175 0.55 0.1 0.1 204 79° 80° 81°
API-T* 1,175 0.55 1.2 9 37.4 47° 60° 65°
APDS 1,400 0.38 - - - 75° 78° 80°

Ammo racks

Ammo racks of the Chieftain Marksman
Full
ammo 		1st
rack empty 		2nd
rack empty 		Visual
discrepancy
3 __ (+__) __ (+__) __

Optics and night vision

Chieftain Marksman Optics
Type of optic Magnification Night Vision Devices
Image Intensifier Thermal Imager
Resolution 		Notes
Resolution Light Mult Noise Level
Gunner's Sight X3 - X10 N/A N/A N/A Not Fitted
Commander's View X3 - X10 N/A N/A N/A Not Fitted
Driver's View X1 / 3PV 800X600 _ high Not Fitted Only useable with tier 2 upgrade

Use night vision to avoid hostile tanks or to fight them at close range at night. The image intensifier is not installed for gunner or commander, so be cautious when shifting between third person and other views during night.

While Chieftain Marksman gun convergence can allow its user to fire at targets in 3-rd person view and still hit a target, you have to use sniper scope to increase accuracy of radar aim, but keep sensor guidance errors in mind during this.

Commander sight can be used in AB/RB to fire weapons at super long range while only exposing the radar and optics, as otherwise "sniper optics" are located lower on cannon level. This does not make fighting much safer in general as the radar is still exposed, but can sometimes help when fighting tanks on high ground.

Rely mostly on radar when firing at night, but do not forget to reduce zoom and check, if lock-on is stable, as it may wobble around the target at times.

Radars

Main article: Marconi S 400

The Chieftain Marksman is equipped with a Marconi S 400 search and tracking radar, mounted on top of the turret, at the rear. The radar system lacks track while scan but can find and track targets in a full 360° area around the turret (instead of just to the front of the turret). This radar also can lock onto anything it spotted by selecting targets on radar display and then pressing lock on button in third person view to save time (the turret turns towards the target on its own). This radar can be chaffed, so target should be destroyed before it can disrupt the lock.

If you want to use radar to specifically try and "find" a target that is too far away to see, or do not want to alert the entire enemy air force of your existence, you can try to stop radar dish by using "change radar search mode" (not bound by default) and specifically look towards the direction aircrafts are expected to come from (the enemy airfield, for example). If the radar happens to detect them, they will appear on the radar screen, and you can lock onto them. However, the use of this option is severely limited due to the fact that planes rarely move in a straight line, so even if you try to snipe them from 4 km range, it will likely result in a miss, so the default search mode is generally better.

Marconi S 400 - Target Detection Radar
Maximum
Detection
Range 		Minimum
Detection
Range 		Max Azimuth
Scan Angle 		Max Elevation
Scan Angle 		Minimum
relative speed
12,000 m 1,000 m 360° -10°/+90° 15 m/s (54 km/h)
Marconi S 400 - Target Tracking Radar
Maximum
Tracking
Range 		Minimum
Tracking
Range 		Azimuth Tracking
Angle 		Elevation Tracking
Angle 		Minimum
relative speed
10,000 m 100 m 360° -10°/+87° 15 m/s (54 km/h)

Usage in battles

Follow the team's push and take some nice fortified position with sight on the capture point, destroying any scout vehicles that attempt to get close while looking for planes. Conducting both actions at once is crucial to not only deny the enemy a recon point but also for self-preservation to keep the Marksman protected. Fighting at a distance will be best to minimize convergence distance to avoid wasting ammunition on the lead. Vertical traverse of cannons is almost instant, so that should not be a concern when shifting from ground to air target. As the main belt's ammo runs out, move closer to the capture point to rearm. With this tactic, use the secondary belt only for self-defence on the capture point, or if it's really necessary for a teammate's survival.

Alternatively, you could go straight for capture point defence and unload secondary belts onto every passing plane, light tank, SPAA and poorly armoured MBT, then immediately rearm. Since your guns convergence is 1-2 km depending on upgrades, there is little chance that any vehicle which is travelling in a straight line can dodge your double cannon lead. However, don't expect to successfully push away medium tanks, if your belt isn't APDS, and it's very likely that the enemy's return fire will heavily damage or overpressure you, as capture points rarely provide any cover, so move out and use your main belt, when forced to.

Using radar-assisted aim is advised since it's more accurate and can lead to hits at over 3 km range. To conserve ammo, however, do not just blindly follow it, especially in arcade, as arcade mode aircraft tend to dodge direct shots - do some short bursts around it. If you are standing on a frontline, remember that the Marksman is very tall and it is not rare for some tankers to get annoyed by your presence and try to shoot the radar off the turret, even if the turret itself is almost entirely behind cover and attack achieves nothing else, so try to move somewhere remotely safe if you are expecting an air raid.

In arcade mode your combat ability is severely limited, due to many maps being 2 x 2 km wide at best, so on such maps you could try to train your crew with very high "keen vision", then try to camp enemy base entrances across the map, using the fact that your shells have little penetration falloff over distance, laser rangefinder assistance and slight armour angling. This would require great map knowledge, though. If you do not have map knowledge or are quickly bored, try to follow some medium tanks and attack whoever tries to flank or got distracted by them, but be ready to suffer consequences if you fail. As soon as enemy planes or attack helicopters appear, destroy them.

On big maps in arcade mode, keep in mind, that every sniper tank on enemy team might try to shoot in your direction, as soon as they are done destroying medium tanks, or if hostile light tank "scout" you. It is very hard to snipe planes from spawn on such maps, so try to secure some "trench line" in form of a hill, which you can use to follow your team even under sniper fire. Snipe lightly-armoured tanks back, if they expose themselves. Having high "keen vision" greatly helps at this as well.

Some enemies to be concerned about:

  • Soviet tanks: Avoid them as much as possible. With the gun convergence and reduced movement speed, it will not be easy to defeat them in a duel, as their frontal armour is almost always impenetrable, even for APDS belt. Detrack them and communicate with teammates to finish them off. Sometimes their medium tank drivers are very arrogant and underestimate the Marksman, due to how rarely it is spaded and do not immediately turn their frontal armour towards it, thinking that you cannot destroy them anyway - punish them by shredding their tank with APDS belt, or by firing AP belt into generally weak side-bottom part of their tank.
  • Maus: It's invulnerable. Best not to show up in parts of that map it controls.
  • Centauro: This is the epitome of all tanks the Marksman wants to shoot at - it is mobile, can reach and flank your position in a minute and has scouting as well. Fortunately, it also has the armour of a light tank, so if you see it out of cover, drop your lock on and fire at it, before it hides away.
  • Helicopters: While helicopters are slow and may look like an easy target, they can change direction of flight and throw off radar aim or try to drop altitude, avoiding shots from over two kilometres away, so keep checking where it is trying to turn or roll, instead of just firing at the radar aiming reticle. Also, due to the Marksman's cannon convergence, try to keep them away from you or spread shots horizontally, as it is not rare to only cut off weapon pylons off attack helicopter, but fail to actually disable its gunner/co-pilot, so if after critical hit on a helicopter or setting it on fire ATGM still flies directly at your SPAA, it is better to hide behind something. Any ATGM helicopters are best destroyed with a short burst of APDS before they can spot and evade you. The radar will keep your aim true, so don't worry about accuracy during movement too much. After a certain point, helicopters acquire 8 km range ATGMs and outclass you entirely, which is when you have to swap to the next generation SPAA, especially in RB.
Radar makes hitting passive pilots extremely easy, and in Realistic Battle you can take them down with just 1 hit of explosive ammo. Even if it doesn't look like a fatal hit, it can eventually force plane to crash. In arcade mode radar guidance ensures you won't need to spend your entire ammunition trying to take down one bomber or ATGM helicopter.

Pros and cons

Pros:

  • Guns produce a great effect upon shell contact on target, requiring only one or two hits to down a plane
  • Can fire effectively at longer ranges than Falcon and has laser rangefinder with radar guidance on top of that
  • Compared to Gepard and Type 87 has relatively easy time shooting down planes even without use of a sniper scope
  • Secondary belts and near-instant reload allows for safer rearms compared to the Falcon and the M163 Vulcan
  • Has a stable radar system with full 360° target tracking - it rarely ever needs to be manually locked on
  • Unlike the latter ZA-35, can lock-on with radar display and lock through some trees, at the cost of triggering radar warning systems
  • Due to how tall this SPAA is, the APDS belt can breach weak spots of some tanks which rely on angled armour in a downtier

Cons:

  • Low mobility - it can't outrun most of its opponents and moving around the map at its rank can be a challenge in itself, eventually becomes obsolete because of this
  • LFP is a weak spot even for some light tanks, turret is lightly-armoured and is a big target for rockets and other explosives - keeping 1.3 km distance is crucial when fighting light tanks and other SPAA
  • Due to very tall profile it is an easy target, when compared to other SPAAs of the rank. it is hard to never show it to medium tanks or SPGs in order to avoid being destroyed by overpressure
  • The cannon's convergence makes the Marksman weaker in close combat, as it can only hit targets with one gun at short range
  • Ammunition count is low, firing in 20-30 shot bursts is almost a must
  • APDS ammo is now put into a separate belt, which may be inconvenient to use with a low ammunition capacity
  • Slower rate of fire than other SPAA
  • Radar system lacks track while scan and has relatively poor range
  • Still does not have gunner night vision, although radar mostly compensates for that (can cause problems at pitch black maps of 9.0+)
  • Main belt can only be radar-guided at up to 3 km range, ATGM sniper helicopters like Alouette (Family) can simply outrange it, unless APDS is unlocked

History

Development

In the mid to late 1960s, the second generation of main battle tanks were becoming the focal point of armoured warfare. Main battle tanks were vulnerable to air attack and the British Army lacked anti-air defences capable of keeping up with MBT formations. Two prototype anti-aircraft turrets were mounted to a Chieftain hull; the Marconi Defence Systems Marksman and a Royal Ordnance turret named 'Sabre'.[1]

The Marconi Electronic Systems turret atop the Chieftain hull was fitted with twin Oerlikon 35 mm cannons effective at up to 4,000 metres distance. Intended targets were low-flying aircraft and attack helicopters, however, APDS ammunition would allow the Marksman the opportunity to engage even substantially armoured ground targets. Using a primary surveillance radar in conjunction with automated detection, tracking, and firing systems, the Marksman could engage multiple targets just 6 seconds after first detecting them.[2]

Legacy

Neither of the two anti-air turret variants were adopted by the British Army following their trials, but valuable information was gathered, which would influence the future of the British Army's air defence doctrines. The Marksman turret would be operationally used in small numbers by the Finnish Defence Forces; initially mounted onto a T-55 hull and in recent years retrofitted onto the Leopard 2A4 hull.[3]

Devblog

With the development of more effective modern weapon systems, deployed from aircraft capable of flying at very high speeds and low altitudes, mobile ground troops were more susceptible to air attack than ever. The British Marconi Electronic Systems company came to the same conclusion during the early 1980s and began independently developing the Marksman project after realizing how little work was being done in the field of modern SPAA development. The concept of the Marksman project wasn't the development of an entirely new vehicle, but rather of a modern anti-air platform that could be fitted to a wide range of suitable military vehicles, even non-British ones. Naturally, the platform had to be capable of dealing with the most modern threats, such as high-speed attack aircraft and helicopters. In order to achieve this, Marconi engineers gave the Marksman a highly advanced radar detection and targeting system and paired it up with twin 35 mm Oerlikon KDA cannons in a similar fashion as found on the German Flakpanzer Gepard.

The testing of the first construction prototype was done on the chassis of the Chinese Type 59 tank. This decision was primarily made in an effort to optimize the platform for use on similar Chinese machines in order to attract potential customers using Chinese vehicles. In 1984, further tests were conducted, only this time around, using chassis of British vehicles such as the Centurion, Chieftain and Challenger 1. However, in order to further increase the number of vehicles that could potentially fit the Marksman platform, Marconi developed several adapters that allowed the platform to be fitted on hulls with a turret ring diameter smaller or in excess of 1,840 mm. However, as even newer, more capable aircraft weapon systems were developed during the 1980s which could easily destroy such SPAAs, the Marksman system became more or less obsolete before it was even deployed. Due to this, the primary expected customer - the British Armed Forces - didn't show any interest in adopting a conventional SPAA system, such as the Marksman. Only a limited number of Marksman systems was employed by the Finnish army on their ItPsv 90 SPAAs, which were retired from active service in 2010 and replaced with Leopard 2 Marksman conversions which are still in service today.

Media

Skins
Videos
The Shooting Range #105 - Metal Beasts section at 00:32 discusses the Chieftain Marksman.

See also

Related development
Other vehicles of similar configuration and role

External links

References

  1. ↑ Griffin, R. (2001) Chieftain. Marlborough: The Crowood Press, p. 149.
  2. ↑ Dunstan, S. (1989) The Chieftain Tank. London: Arms and Armour Press, p. 45-6.
  3. ↑ (2015) MAAVOIMIEN LIIKKUVUUDEN JA TULIVOIMAN ROLL OUT PANSSARIPRIKAATISSA. Finnish Defence Forces. Available at: https://web.archive.org/web/20151005155147/http://www.puolustusvoimat.fi/wcm/a2748e00495d6be1a9e0a98833fba23b/Toimintanaytoksen_materiaalitiedot_5%2B8%2B2015.pdf?MOD=AJPERES (Accessed: October 29, 2022).


Britain anti-aircraft vehicles
Crusader AA  Crusader AA Mk I · Crusader AA Mk II
Wheeled  Staghound AA · AEC AA
Radar SPAAG  Chieftain Marksman
Missile SPAA  Stormer AD · Stormer HVM
Other  Light AA Mk I · Falcon
Canada  Skink · ADATS (M113)
South Africa  Ystervark · Bosvark · ZA-35

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