Difference between revisions of "M42 (Italy)"

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m (→‎Pros and cons: Deleted the line about having to use your whole belt, as now you can reload partial belts on points. Which honestly makes the massive belt a good thing because you keep reloading constantly.)
 
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{{Specs-Card|code=it_m15_42_contraereo}}
 
 
{{About
 
{{About
−
| about = SPAA '''{{PAGENAME}}'''
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| about = Italian SPAA '''{{PAGENAME}}'''
−
| and
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| usage = other uses
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| usage = SPAAs with a similar name
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| link = M42 (Disambiguation)
−
| link-1 = M42
+
}}
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| link-2 = M42 (Japan)
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{{Specs-Card
 +
|code=it_m15_42_contraereo
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
 
}}
 
}}
  
 
== Description ==
 
== Description ==
−
<!--''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.'' -->
−
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
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The '''Semovente Contraereo da 20/70 quadruplo''' was an experimental self-propelled anti-aircraft weapon developed for the Italian Royal Army during World War II. The Royal Italian Army ordered the construction of a self-propelled anti-aircraft weapon in 1942 to be deployed in the North African theatre of operations and to protect mechanized columns, which were often targeted by the Royal Air Force (RAF) in the absence of genuine air defence. The hull of the [[M15/42]] was utilized as the foundation for the design to save time and materials. The tank turret was replaced with a polygonal welded open turret that housed a quadruple 20 mm Scotti Isotta Fraschini 20/70 Model 41 autocannon. The first prototype was completed in early 1943 and tested at the Centro Studi Motorizzazione dell'esercito. It entered service in March 1943 and was assigned to the VIII Reggimento Autieri stationed at Cecchignola in Rome, where it was captured by German forces. By April 1945, it was on active duty with the V SS-Freiwilligen-Gebirgskorps, which fought the final struggle against the Red Army in Germany in the Teupitz area.
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{{break}}
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The '''{{Specs|name}}''' (shortened as just '''{{Specs|pseudonym}}''', also nicknamed "Quadruplo"), is a Rank {{Specs|rank}} Italian self-propelled anti-aircraft gun {{Battle-rating}}. It was introduced in [[Update 1.85 "Supersonic"]].  
+
Introduced in [[Update 1.85 "Supersonic"]], the Semovente Contraereo da 20/70 quadruplo is one of the greatest self-propelled anti-air vehicles for the lower ranks of the Italian Army ground forces. The Semovente Contraereo da 20/70 quadruplo, with a design similar to its German equivalent [[Wirbelwind|Flakpanzer IV "Wirbelwind"]], provides adequate air defences for friendly forces during engagements. In truth, this vehicle's cannons use the same ammo as its German equivalents. Even the heaviest planes are frequently brought down with only a few hits. However, the vehicle armour does not fully protect the crew, which might be a severe problem when numerous enemy planes are in the sky. As a result, it is critical to only fire when you are certain that the cannon rounds will hit.
  
 
== General info ==
 
== General info ==
 
=== Survivability and armour ===
 
=== 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 helpful for survival in combat?''
+
{{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.'' -->
 +
 
 +
'''Armour type:'''
 +
 
 +
* Rolled homogeneous armour (hull, turret, turret frame)
 +
* Gun steel (guns)
 +
 
 +
{| class="wikitable"
 +
|-
 +
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 +
|-
 +
| Hull || 50 mm (12°) ''Upper plate'' <br> 25 + 30 mm (12°) ''MG bulge'' <br> 25 mm (80°) ''Front glacis'' <br> 30 mm (15°) ''Lower plate'' || 25 mm (8°) ''Top'' <br> 25 mm ''Bottom'' <br> 30 mm (9-12°) ''MG bulge'' || 25 mm ''Upper part'' <br> 25 mm (15°) ''Lower part'' || 25 mm (10°) ''Front glacis'' <br> 25 mm ''Crew compartment'' <br> 8 mm (15°) ''Rear section - Engine'' <br> 5-25 mm (8°) ''Rear section - Radiator vents''
 +
|-
 +
| Turret || 15 mm ''Turret front'' <br> 25 + 15 mm ''Turret ring'' || 15 mm (14°) <br> 25 + 15 mm ''Turret ring'' || 15 mm (17°) <br> 25 + 15 mm ''Turret ring''
 +
!
 +
|-
 +
|}
  
−
''If necessary use a visual template to indicate the most secure and weak zones of the armour.''
+
'''Notes:'''
 +
 
 +
* Suspension wheels are 15 mm thick while tracks are 20 mm thick and bogies 10 mm thick.
 +
* The belly is 14 mm thick and mudguards are 4 mm thick.
 +
* The turret is reinforced with a 10 mm thick framing supporting the quadruple gun mount.
 +
* The hull-mounted MG has been removed and the port has been obturated.
 +
 
 +
The {{PAGENAME}} is based off the M15/42 hull, with an opened top turret surrounding the crew members. The gunner does have an exposed spot in the front, and if shown to the enemy, can be machine-gunned easily without them to have to fire their main cannon. The turret may protect you from small rifle-calibre bullets, but .50 calibre and up, especially on the M4 Sherman will be able to penetrate your turret from anywhere, as it is generally weak against them. The hull armour is decent, still keeping the armour from the M15/42 hull, but don't expect to tank a lot of shots, as most of your enemies will have better calibre weapons, mostly encountering 75 mm and Russian 76.2 mm cannons. You may be able to bounce some smaller calibre shells like the 37 mm cannons but don't rely on your hull armour as your turret will most likely be targeted by the enemy. You have a small crew count of 3 members, and with two in the turret, and having okay armour, you'll usually die in one hit.
  
 
=== Mobility ===
 
=== Mobility ===
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''Write about the mobility of the ground vehicle. Estimate the specific power and maneuverability as well as the maximum speed forward and backward.''
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{{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.'' -->
 +
 
 +
{{tankMobility|abMinHp=263|rbMinHp=164}}
 +
 
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Tank-Armaments}}
 
=== Main armament ===
 
=== Main armament ===
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<!--''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.''-->
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{{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|Scotti-IF 20/70 mod.41 (20 mm)}}
 
{{main|Scotti-IF 20/70 mod.41 (20 mm)}}
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="100%"
−
|-
 
−
! colspan="6" | [[Scotti-IF 20/70 mod.41 (20 mm)|20 mm Scotti-IF 20/70 mod.41]] (x4)
 
−
|-
 
−
! colspan="2" rowspan="1" style="width:5em" |Capacity (Belt capacity each)
 
−
! rowspan="1" | Fire rate <br> (shots/minute)
 
−
! rowspan="1" | Vertical <br> guidance
 
−
! rowspan="1" | Horizontal <br> guidance
 
−
! rowspan="1" | Stabilizer
 
 
|-
 
|-
−
| colspan="2" | 3,200 (12) || 600 || -5°/+90° || ±180° || N/A
+
! colspan="6" | [[Scotti-IF 20/70 mod.41 (20 mm)|20 mm Scotti-IF 20/70 mod.41]] (x4) || colspan="5" | Turret rotation speed (°/s) || colspan="4" | Reloading rate (seconds)
 
|-
 
|-
−
! colspan="6" | Turret rotation speed (°/s)
+
! Mode !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal !! Stabilizer
 +
! Stock !! Upgraded !! Full !! Expert !! Aced
 +
! Stock !! Full !! Expert !! Aced
 
|-
 
|-
−
! style="width:4em" |Mode
+
! ''Arcade''
−
! style="width:4em" |Stock
+
| rowspan="2" | 640 (160) || rowspan="2" | 600 || rowspan="2" | -5°/+90° || rowspan="2" | ±180° || rowspan="2" | N/A || 52.8 || 73.1 || 88.8 || 98.2 || 104.5 || rowspan="2" | 5.20 || rowspan="2" | 4.60 || rowspan="2" | 4.24 || rowspan="2" | 4.00
−
! style="width:4em" |Upgraded
 
−
! style="width:4em" |Prior + Full crew
 
−
! style="width:4em" |Prior + Expert qualif.
 
−
! style="width:4em" |Prior + Ace qualif.
 
 
|-
 
|-
−
| ''Arcade'' || 52.8 || __.__ || __.__ || __.__ || __.__
+
! ''Realistic''
−
|-
+
| 35.7 || 42.0 || 51.0 || 56.4 || 60.0
−
| ''Realistic'' || 35.7 || __.__ || __.__ || __.__ || __.__
 
−
|-
 
−
! colspan="4" | Reloading rate (seconds)
 
−
|-
 
−
! colspan="1" style="width:4em" |Stock
 
−
! colspan="1" style="width:4em" |Prior + Full crew
 
−
! colspan="1" style="width:4em" |Prior + Expert qualif.
 
−
! colspan="1" style="width:4em" |Prior + Ace qualif.
 
−
|-
 
−
| 5.2 || __.__ || __.__ || __.__
 
 
|-
 
|-
 
|}
 
|}
  
−
===== Ammunition =====
+
==== Ammunition ====
−
{| class="wikitable sortable" style="text-align:center" width="100%"
+
 
−
! colspan="8" | Penetration statistics
+
* '''Default:''' {{Annotation|API-T|Armour-piercing incendiary tracer}}{{-}}{{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}} - The standard belt fits the anti-aircraft role.
−
|-
+
* '''Granata mod.35:''' {{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}}{{-}}{{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}}{{-}}{{Annotation|API-T|Armour-piercing incendiary tracer}} - This belt is perfect for shooting at aircraft.
−
! rowspan="2" data-sort-type="text" | Ammunition
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* '''Perforante mod.35:''' {{Annotation|API-T|Armour-piercing incendiary tracer}}{{-}}{{Annotation|API-T|Armour-piercing incendiary tracer}}{{-}}{{Annotation|API-T|Armour-piercing incendiary tracer}}{{-}}{{Annotation|HEFI-T*|High-explosive fragmentation incendiary tracer (self-destroying)}} - This belt is adapted to destroy lightly armoured targets.
−
! rowspan="2" class="unsortable" | Type of <br /> warhead
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* '''PzGr 40:''' {{Annotation|HVAP-T|High-velocity armour-piercing tracer}}{{-}}{{Annotation|API-T|Armour-piercing incendiary tracer}} - This is the most powerful belt that can help you even take on armoured targets, although you lose almost all your penetrating power above 500 m so use it in CQC.
−
! colspan="6" | '''Penetration''' '''''in mm''''' '''@ 90°'''
+
 
−
|-
+
{{:Scotti-IF 20/70 mod.41 (20 mm)/Ammunition|HEFI-T*, API-T, HVAP-T}}
−
! 10m
+
 
−
! 100m
+
==== [[Ammo racks]] ====
−
! 500m
+
[[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
−
! 1000m
+
<!-- '''Last updated: 2.15.1.99''' -->
−
! 1500m
+
{| class="wikitable" style="text-align:center"
−
! 2000m
 
−
|-
 
−
| Granata mod.35 || HEFI-T || 2 || 2 || 2 || 2 || 2 || 2
 
−
|-
 
−
| Perforante mod.35 || API-T || 40 || 38 || 29 || 20 || 14 || 10
 
−
|-
 
−
| PzGr 40 || HVAP-T || 64 || 63 || 29 || 20 || 14 || 10
 
−
|-
 
−
|}
 
−
{| class="wikitable sortable" style="text-align:center" width="100%"
 
−
! colspan="11" | Shell details
 
−
|-
 
−
! rowspan="2" data-sort-type="text" | Ammunition
 
−
! rowspan="2" class="unsortable" | Type of <br /> warhead
 
−
! rowspan="2" |Velocity <br /> in m/s
 
−
! rowspan="2" |Projectile<br />Mass in kg
 
−
! rowspan="2" | ''Fuse delay''
 
−
''in m:''
 
−
! rowspan="2" | ''Fuse sensitivity''
 
−
''in mm:''
 
−
! rowspan="2" | ''Explosive Mass in g<br /> (TNT equivalent):''
 
−
! rowspan="2" | ''Normalization At 30° <br> from horizontal:''
 
−
! colspan="3" | ''Ricochet:''
 
−
|-
 
−
! 0%
 
−
! 50%
 
−
! 100%
 
−
|-
 
−
| Granata mod.35 || HEFI-T || 830 || 0.14 || 0.3 || 0.1 || 3 || ° || 79° || 80° || 81°
 
 
|-
 
|-
−
| Perforante mod.35 || API-T || 832 || 0.14 || 1.3 || 15 || 1 || ° || 47° || 60° || 65°
+
! Full<br>ammo
 +
! 1st<br>rack empty
 +
! Visual<br>discrepancy
 
|-
 
|-
−
| PzGr 40 || HVAP-T || N/A || N/A || N/A || N/A || N/A || N/A || N/A || N/A || N/A
+
| '''4''' || 0 ''(+4)'' || No
 
|-
 
|-
 
|}
 
|}
 +
'''Notes''':
  
−
===== [[Ammo racks|Ammo racks]] =====
+
* Ammo is modeled as 4 magazines of 160 rounds each.
−
{| class="wikitable sortable" style="text-align:center"
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* It is not possible to select how many rounds to bring into battle.
−
|-
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* It is possible to take only one type of ammo into battle.
−
! 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;''(+XX)'' || XX&nbsp;''(+XX)'' || XX&nbsp;''(+XX)'' || XX&nbsp;''(+XX)'' || XX&nbsp;''(+XX)'' || XX&nbsp;''(+XX)'' || style="text-align:left" | No
 
−
|-
 
−
|}
 
  
 
== Usage in battles ==
 
== 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 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).''-->
+
<!-- ''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).'' -->
−
In RB the Quadruplo is best used in the front lines to kill tanks and other SPAA's from the side. Aggressive play stiles are suggested to get the most out of the Quadruplo. when it comes to shooting down planes in the Quadruplo, it is best to get their attention so they try to strafe, this will make them an easy kill because of your high rate of fire and closely mounted guns (hence the nickname "discount Wirbelwind").
+
In Realistic battles, the Quadruplo is best used in the support role when tank hunting, sticking with teammates, assisting them and potentially distracting the enemy. Your best bet of killing any tank, usually a Sherman, Cromwell or T-34, is from the side as the HVAP will pierce through their side armour, killing the tank. Light tanks such as M24s, Stuarts and Crusaders are able to be penetrated from the front, but usually this is only in close range engagements. T-50 and other slightly armoured light tanks will be tougher to kill, but you're still able to flank them. You can kill basically any SPAA you see, as you'll usually encounter trucks or armoured cars. Ambush and surprise tactics are good options to kill tanks effectively, as the enemy will stroll past you, usually showing their side armour. Aggressive playstyles are suggested to get the most out of the Quadruplo, similar to playing a Wirbelwind when tank hunting. Try not to expose yourself too much and move from cover to cover, as one hit from a tank shell, usually APHE, will knock you out in one shot, or the machine guns pierce your turret armour and kill both your gunner and commander. When it comes to shooting down planes in the Quadruplo, it is best to get their attention so they try to strafe you, or surprise them as they come closer to you, when you have a good shot as they won't have enough reaction time to evade your shots if they connect. Be mindful that you are open-topped, and you're less likely to survive a strafe run. It should also be noted that shooting continuously will sway the hull back and forth, which will make your aim go up and down.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
<!--''Summarize 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 - they have a substitution in the form of softer "inadequate", "effective".''-->
+
<!-- ''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".'' -->
 +
 
 
'''Pros:'''
 
'''Pros:'''
  
Line 141: Line 117:
 
* Great armour for a SPAA
 
* Great armour for a SPAA
 
* Guns have a very high rate of fire
 
* Guns have a very high rate of fire
 +
* Ammo is stored in one belt, meaning you can continuously fire unlike the Wirbelwind
 
* Guns are placed very close together
 
* Guns are placed very close together
−
* 4 crew members
 
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* PzGr 40 is tier IV modification
+
* Terrible reverse speed
 +
* HVAP-T PzGr 40 belt is a tier IV modification
 
* Performance is inadequate when stock
 
* Performance is inadequate when stock
 
* Gap in the gunner's position of the turret armour
 
* Gap in the gunner's position of the turret armour
−
* Turret can be penetrated by .50 cals heavy machine guns
+
* Turret can be penetrated by .50 cal machine guns
−
* High rate of fire makes it more difficult to adjust fire against planes
+
* 2 of 3 crew members crammed inside the turret
 +
* Hull rocks back and forth when firing causing some rounds to miss
 +
* Low ammunition count compared to its high rate of fire
  
 
== History ==
 
== History ==
−
A prototype AA tank based on the M15/42 medium tank. The single prototype was captured by Germany upon Italy's surrender in September, 1943. Some sources have claimed it served as inspiration for the German Wirbelwind AA tank, which first saw service in mid-1944.
+
<!-- ''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).'' -->
 +
{{main|M15/42#History|l1=History of the M15/42}}
 +
 
 +
The history of the M42 Contraereo began during the late stages of the Second World War. In the years following 1942, the Royal Italian army would set out a request for a mobile platform which could mount a special anti-air mount to bolster and provide protection to Italian mechanised columns. At the time they would be subject to very frequent air raids by the British RAF. Although they had some anti-air coverage, it was not enough for their needs. Ground units only really widely access to single 20 mm mounts, usually installed on armoured trucks.
 +
 
 +
To save time and to reduce maintenance costs, the Italian army opted to go with the M15/42 tank to be used as the basis for the SPAA platform. The original turret would be removed and completely replaced with a new polygonal welded open turret, containing quadruple 20 mm Scotti Isotta Fraschini anti-air cannons. The turret could accommodate belt-fed munitions or clip-fed munitions. At the time this was actually one of the better anti-air vehicles made, not many countries had something remotely comparable, but it would not be long until the Germans had gained a particular interest in the vehicle which would play later on. The first prototype of the M42 Contraereo would be completed by January or February 1943, it would then also be presented for trials at the "Centro Studi Motorizzazione dell'esercito" (in English: "Center for motorization of the army").
 +
 
 +
In terms of mobility, the M42 kept pretty much all the previous stats of the M15/42 tank, meaning it could reach speeds of up to 40 km/h. When it came to survivability, it also kept the same protection values as the previous M15/42 tank it was based of, however it is good to note that the removal of the 2 x Breda 38 machine guns that previously would be installed in the hull, would instead be covered by a 42 mm armour plate. The new anti-air turret was for the most part exposed to incoming enemy fire, and did not offer adequate protection levels.
 +
 
 +
As development of this anti-air platform continued, it's likely that a handful of prototypes were made. What ceased the further development of the vehicle however was the 8th of September Armistice of Cassibile. During the confusion of leadership in Italy, the Germans would use that as an advantage to invade the north of Italy and set up a puppet state lead by Mussolini. Due to this, the Germans took over any production factories, any vehicle development and would integrate it into the German army. In this case, at least one unit of the M42 Contraereo was captured by the German army and was likely thoroughly examined by German engineers.
  
 
== 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=it_m15_42_contraereo Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Videos
 +
{{Youtube-gallery|_PxXdDCbHnI|'''Whirly Boi Moved To Italy - {{PAGENAME}} 600 Rounds/Min''' - ''PhlyDaily''}}
  
 
== 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.'' -->
  
−
* ''reference to the series of the vehicles;''
+
;Vehicles equipped with the same chassis
−
* ''links to approximate analogues of other nations and research trees.''
+
 
 +
* [[M15/42]]
 +
 
 +
;Other vehicles of similar configuration and role
 +
 
 +
* [[Wirbelwind]]
 +
* [[Crusader AA Mk II]]
 +
* [[ZSD63]]
  
 
== 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;''
 +
* ''other literature.'' -->
  
−
* ''topic on the official game forum;''
+
* [[wikipedia:Semovente_da_20/70_quadruplo|[Wikipedia] Semovente da 20/70 quadruplo]]
−
* ''encyclopedia page on tank;''
 
−
* ''other literature.''
 
  
 +
{{TankManufacturer FIAT-Ansaldo}}
 
{{Italy anti-aircraft vehicles}}
 
{{Italy anti-aircraft vehicles}}

Latest revision as of 22:14, 11 April 2024

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This page is about the Italian SPAA M42 (Italy). For other uses, see M42 (Disambiguation).
M42 Contraereo
it_m15_42_contraereo.png
GarageImage M42 (Italy).jpg
ArtImage M42 (Italy).png
M42 Contraereo
Italy flag.png Italy
III Rank
Battle rating:
AB RB SB
3.7 3.7 3.7
Class:
Research:18 000 Specs-Card-Exp.png
Purchase:47 000 Specs-Card-Lion.png
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Description

The Semovente Contraereo da 20/70 quadruplo was an experimental self-propelled anti-aircraft weapon developed for the Italian Royal Army during World War II. The Royal Italian Army ordered the construction of a self-propelled anti-aircraft weapon in 1942 to be deployed in the North African theatre of operations and to protect mechanized columns, which were often targeted by the Royal Air Force (RAF) in the absence of genuine air defence. The hull of the M15/42 was utilized as the foundation for the design to save time and materials. The tank turret was replaced with a polygonal welded open turret that housed a quadruple 20 mm Scotti Isotta Fraschini 20/70 Model 41 autocannon. The first prototype was completed in early 1943 and tested at the Centro Studi Motorizzazione dell'esercito. It entered service in March 1943 and was assigned to the VIII Reggimento Autieri stationed at Cecchignola in Rome, where it was captured by German forces. By April 1945, it was on active duty with the V SS-Freiwilligen-Gebirgskorps, which fought the final struggle against the Red Army in Germany in the Teupitz area.

Introduced in Update 1.85 "Supersonic", the Semovente Contraereo da 20/70 quadruplo is one of the greatest self-propelled anti-air vehicles for the lower ranks of the Italian Army ground forces. The Semovente Contraereo da 20/70 quadruplo, with a design similar to its German equivalent Flakpanzer IV "Wirbelwind", provides adequate air defences for friendly forces during engagements. In truth, this vehicle's cannons use the same ammo as its German equivalents. Even the heaviest planes are frequently brought down with only a few hits. However, the vehicle armour does not fully protect the crew, which might be a severe problem when numerous enemy planes are in the sky. As a result, it is critical to only fire when you are certain that the cannon rounds will hit.

General info

Survivability and armour

Smoke grenades
Creation of a smoke screen in front of the vehicle
Armourfront / side / back
Hull30 / 25 / 25
Turret15 / 15 / 15
Crew3 people
Visibility91 %

Armour type:

  • Rolled homogeneous armour (hull, turret, turret frame)
  • Gun steel (guns)
Armour Front (Slope angle) Sides Rear Roof
Hull 50 mm (12°) Upper plate
25 + 30 mm (12°) MG bulge
25 mm (80°) Front glacis
30 mm (15°) Lower plate 		25 mm (8°) Top
25 mm Bottom
30 mm (9-12°) MG bulge 		25 mm Upper part
25 mm (15°) Lower part 		25 mm (10°) Front glacis
25 mm Crew compartment
8 mm (15°) Rear section - Engine
5-25 mm (8°) Rear section - Radiator vents
Turret 15 mm Turret front
25 + 15 mm Turret ring 		15 mm (14°)
25 + 15 mm Turret ring 		15 mm (17°)
25 + 15 mm Turret ring

Notes:

  • Suspension wheels are 15 mm thick while tracks are 20 mm thick and bogies 10 mm thick.
  • The belly is 14 mm thick and mudguards are 4 mm thick.
  • The turret is reinforced with a 10 mm thick framing supporting the quadruple gun mount.
  • The hull-mounted MG has been removed and the port has been obturated.

The M42 (Italy) is based off the M15/42 hull, with an opened top turret surrounding the crew members. The gunner does have an exposed spot in the front, and if shown to the enemy, can be machine-gunned easily without them to have to fire their main cannon. The turret may protect you from small rifle-calibre bullets, but .50 calibre and up, especially on the M4 Sherman will be able to penetrate your turret from anywhere, as it is generally weak against them. The hull armour is decent, still keeping the armour from the M15/42 hull, but don't expect to tank a lot of shots, as most of your enemies will have better calibre weapons, mostly encountering 75 mm and Russian 76.2 mm cannons. You may be able to bounce some smaller calibre shells like the 37 mm cannons but don't rely on your hull armour as your turret will most likely be targeted by the enemy. You have a small crew count of 3 members, and with two in the turret, and having okay armour, you'll usually die in one hit.

Mobility

Speedforward / back
AB42 / 4 km/h
RB and SB39 / 4 km/h
Number of gears5 forward
1 back
Weight15.5 t
Engine power
AB353 hp
RB and SB185 hp
Power-to-weight ratio
AB22.8 hp/t
RB and SB11.9 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 42 4 15.5 263 353 16.97 22.77
Realistic 39 4 164 185 10.58 11.94

Modifications and economy

Repair costBasic → Reference
AB1 103 → 1 492 Sl icon.png
RB890 → 1 204 Sl icon.png
SB1 389 → 1 879 Sl icon.png
Total cost of modifications19 610 Rp icon.png
32 300 Sl icon.png
Talisman cost980 Ge icon.png
Crew training13 000 Sl icon.png
Experts47 000 Sl icon.png
Aces330 Ge icon.png
Research Aces280 000 Rp icon.png
Reward for battleAB / RB / SB
80 / 90 / 130 % Sl icon.png
136 / 136 / 136 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
105 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
95 Ge icon.png
Mods new tank break.png
Brake System
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
95 Ge icon.png
Mods new tank filter.png
Filters
Research:
1 200 Rp icon.png
Cost:
2 000 Sl icon.png
130 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
1 600 Rp icon.png
Cost:
2 600 Sl icon.png
170 Ge icon.png
Mods new tank engine.png
Engine
Research:
1 600 Rp icon.png
Cost:
2 600 Sl icon.png
170 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
105 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
95 Ge icon.png
Mods tank reinforcement it.png
Crew Replenishment
Research:
1 200 Rp icon.png
Cost:
2 000 Sl icon.png
130 Ge icon.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
105 Ge icon.png
Mods tank ammo.png
20mm_Breda_HE_ammo_pack
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
105 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
95 Ge icon.png
Mods tank ammo.png
20mm_Breda_APHE_ammo_pack
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
95 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
1 200 Rp icon.png
Cost:
2 000 Sl icon.png
130 Ge icon.png
Mods smoke screen.png
Smoke grenade
Research:
1 200 Rp icon.png
Cost:
2 000 Sl icon.png
130 Ge icon.png
Mods art support.png
Artillery Support
Research:
1 600 Rp icon.png
Cost:
2 600 Sl icon.png
170 Ge icon.png
Mods tank ammo.png
20mm_kwk_30_APCR_ammo_pack
Research:
1 600 Rp icon.png
Cost:
2 600 Sl icon.png
170 Ge icon.png

Armaments

Main armament

4 x 20 mm Scotti-IF 20/70 mod.41 cannon
Ammunition640 rounds
Belt capacity160 rounds
Reloadbasic crew → aces
15.6 → 12.0 s
Fire rate600 shots/min
Vertical guidance-5° / 90°
Main article: Scotti-IF 20/70 mod.41 (20 mm)
20 mm Scotti-IF 20/70 mod.41 (x4) 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 640 (160) 600 -5°/+90° ±180° N/A 52.8 73.1 88.8 98.2 104.5 5.20 4.60 4.24 4.00
Realistic 35.7 42.0 51.0 56.4 60.0

Ammunition

  • Default: API-T · HEFI-T* · HEFI-T* · HEFI-T* - The standard belt fits the anti-aircraft role.
  • Granata mod.35: HEFI-T* · HEFI-T* · HEFI-T* · API-T - This belt is perfect for shooting at aircraft.
  • Perforante mod.35: API-T · API-T · API-T · HEFI-T* - This belt is adapted to destroy lightly armoured targets.
  • PzGr 40: HVAP-T · API-T - This is the most powerful belt that can help you even take on armoured targets, although you lose almost all your penetrating power above 500 m so use it in CQC.

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
HEFI-T* 5 5 4 3 2 2
API-T 38 36 27 19 14 10
HVAP-T 48 45 31 20 13 8
Shell details
Ammunition Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
HEFI-T* 830 0.14 0.04 0.1 3 79° 80° 81°
API-T 832 0.14 1.2 9 1.7 47° 60° 65°
HVAP-T 1,050 0.1 - - - 66° 70° 72°

Ammo racks

Ammo racks of the M42 (Italy)
Full
ammo 		1st
rack empty 		Visual
discrepancy
4 0 (+4) No

Notes:

  • Ammo is modeled as 4 magazines of 160 rounds each.
  • It is not possible to select how many rounds to bring into battle.
  • It is possible to take only one type of ammo into battle.

Usage in battles

In Realistic battles, the Quadruplo is best used in the support role when tank hunting, sticking with teammates, assisting them and potentially distracting the enemy. Your best bet of killing any tank, usually a Sherman, Cromwell or T-34, is from the side as the HVAP will pierce through their side armour, killing the tank. Light tanks such as M24s, Stuarts and Crusaders are able to be penetrated from the front, but usually this is only in close range engagements. T-50 and other slightly armoured light tanks will be tougher to kill, but you're still able to flank them. You can kill basically any SPAA you see, as you'll usually encounter trucks or armoured cars. Ambush and surprise tactics are good options to kill tanks effectively, as the enemy will stroll past you, usually showing their side armour. Aggressive playstyles are suggested to get the most out of the Quadruplo, similar to playing a Wirbelwind when tank hunting. Try not to expose yourself too much and move from cover to cover, as one hit from a tank shell, usually APHE, will knock you out in one shot, or the machine guns pierce your turret armour and kill both your gunner and commander. When it comes to shooting down planes in the Quadruplo, it is best to get their attention so they try to strafe you, or surprise them as they come closer to you, when you have a good shot as they won't have enough reaction time to evade your shots if they connect. Be mindful that you are open-topped, and you're less likely to survive a strafe run. It should also be noted that shooting continuously will sway the hull back and forth, which will make your aim go up and down.

Pros and cons

Pros:

  • PzGr 40 shells are great at penetrating tanks from the sides and knocking out modules
  • High mobility when spaded
  • Great armour for a SPAA
  • Guns have a very high rate of fire
  • Ammo is stored in one belt, meaning you can continuously fire unlike the Wirbelwind
  • Guns are placed very close together

Cons:

  • Terrible reverse speed
  • HVAP-T PzGr 40 belt is a tier IV modification
  • Performance is inadequate when stock
  • Gap in the gunner's position of the turret armour
  • Turret can be penetrated by .50 cal machine guns
  • 2 of 3 crew members crammed inside the turret
  • Hull rocks back and forth when firing causing some rounds to miss
  • Low ammunition count compared to its high rate of fire

History

Main article: History of the M15/42

The history of the M42 Contraereo began during the late stages of the Second World War. In the years following 1942, the Royal Italian army would set out a request for a mobile platform which could mount a special anti-air mount to bolster and provide protection to Italian mechanised columns. At the time they would be subject to very frequent air raids by the British RAF. Although they had some anti-air coverage, it was not enough for their needs. Ground units only really widely access to single 20 mm mounts, usually installed on armoured trucks.

To save time and to reduce maintenance costs, the Italian army opted to go with the M15/42 tank to be used as the basis for the SPAA platform. The original turret would be removed and completely replaced with a new polygonal welded open turret, containing quadruple 20 mm Scotti Isotta Fraschini anti-air cannons. The turret could accommodate belt-fed munitions or clip-fed munitions. At the time this was actually one of the better anti-air vehicles made, not many countries had something remotely comparable, but it would not be long until the Germans had gained a particular interest in the vehicle which would play later on. The first prototype of the M42 Contraereo would be completed by January or February 1943, it would then also be presented for trials at the "Centro Studi Motorizzazione dell'esercito" (in English: "Center for motorization of the army").

In terms of mobility, the M42 kept pretty much all the previous stats of the M15/42 tank, meaning it could reach speeds of up to 40 km/h. When it came to survivability, it also kept the same protection values as the previous M15/42 tank it was based of, however it is good to note that the removal of the 2 x Breda 38 machine guns that previously would be installed in the hull, would instead be covered by a 42 mm armour plate. The new anti-air turret was for the most part exposed to incoming enemy fire, and did not offer adequate protection levels.

As development of this anti-air platform continued, it's likely that a handful of prototypes were made. What ceased the further development of the vehicle however was the 8th of September Armistice of Cassibile. During the confusion of leadership in Italy, the Germans would use that as an advantage to invade the north of Italy and set up a puppet state lead by Mussolini. Due to this, the Germans took over any production factories, any vehicle development and would integrate it into the German army. In this case, at least one unit of the M42 Contraereo was captured by the German army and was likely thoroughly examined by German engineers.

Media

Skins
Videos
Whirly Boi Moved To Italy - M42 (Italy) 600 Rounds/Min - PhlyDaily

See also

Vehicles equipped with the same chassis
Other vehicles of similar configuration and role

External links


FIAT-Ansaldo
Autoblindo  AB 41 · AB 43
Light Tanks  L6/40 · L6/40 (31 Rgt.)
Medium Tanks  Celere Sahariano
M11/39  M11/39
M13/40  M13/40 (I) · M13/40 (II) · M13/40 (III)
M14/41  M14/41 · M14/41 (47/40)
M15/42  M15/42
P40  P40 · P40 "G.C. Leoncello"
Tank Destroyers 
L3/33  L3/33 CC
Semovente L40  47/32 L40
Semovente M41  75/18 M41 · 75/32 M41 · 90/53 M41M
Semovente M42  75/34 M42
Semovente M43  105/25 M43 · M43 "G.C.Leoncello" · 75/34 M43 · 75/46 M43
SPAAs  M42 Contraereo

Italy anti-aircraft vehicles
R3 Capraia  R3 T20 FA-HS
SIDAM 25  SIDAM 25 · SIDAM 25 (Mistral)
Wheeled  AS 42 · CM52
Tracked  M42 Contraereo · Leopard 40/70 · OTOMATIC
Hungary  ◔ZSU-57-2 · ◔ZSU-23-4

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