Difference between revisions of "M109A1 (Great Britain)"

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(Added some information from the American page, and added history of importing to the UK as well as notes of the lower projectile velocity.)
(Undo revision 185363 by U140783755 (talk))
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== Description ==
 
== Description ==
 
<!-- ''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.'' -->
 
<!-- ''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.'' -->
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} British tank destroyer {{Battle-rating}}. It was introduced in [[Update "Kings of Battle"]]. It has similar characteristics to the Soviet [[2S3M]] and can deliver powerful 155 mm shells over long distances and relocate swiftly to evade enemy fire. The M109A1 has an average rate of fire and large ammo capacity, and its mobility is complemented by a good top speed and acceleration. However, its armour is not very thick, so it's recommended to use the M109A1's speed to avoid direct confrontations when possible. Moreover, it is essential to keep in mind that the M109A1 has low gun depression and cannot depend on firing from elevated positions.
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The '''{{Specs|name}}''' is a rank {{Specs|rank}} British tank destroyer {{Battle-rating}}. It was introduced in [[Update "Kings of Battle"]].
  
 
== General info ==
 
== General info ==
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! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
|-
 
|-
−
| Hull || 32 mm || 32 mm ''Top'' <br> 32 mm ''Bottom'' || 32 mm || 10 - 34 mm
+
| Hull || ___ mm || ___ mm ''Top'' <br> ___ mm ''Bottom'' || ___ mm || ___ - ___ mm
 
|-
 
|-
−
| Turret || 37 mm ''Turret front'' <br> 3 3 mm ''Gun mantlet'' || 32 mm || 32 mm || 7 - 33 mm
+
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
 
|-
 
|-
−
| Cupola || 33 mm || 33 mm || 33 mm || 33 mm
+
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
 
|-
 
|-
 
|}
 
|}
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{{Specs-Tank-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.'' -->
 
<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
−
''After Firing, the tank can relocate swiftly to evade enemy fire. Its mobility is complimented by its good top speed and acceleration.''
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''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=575|rbMinHp=358}}
 
{{tankMobility|abMinHp=575|rbMinHp=358}}
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{{main|M185 (155 mm)}}
 
{{main|M185 (155 mm)}}
  
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''The M109A1 has a derp gun, and it is best used as such. Its low projectile speed makes it harder to aim than the American variant. Its high explosive round is very effective against German tanks, not so much against Russian ones. Remember to pre-turn your turret, as your rotation speed is abysmal.''
+
''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.''
  
 
{| class="wikitable" style="text-align:center" width="100%"
 
{| class="wikitable" style="text-align:center" width="100%"
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== 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 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).'' -->
 
<!-- ''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).'' -->
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''The 155 mm cannon is surprisingly adept at destroying any tank, even up to heavies of the same or slightly higher BRs. It is important to remember that accuracy is low with this gun, but destructive capability is spectacular. Thus, it is best to put yourself in a well defended position and rely on ambush tactics, at least in Realistic mode. The M109 makes an exceptionally good target for planes with its large profile and thin armour, so plane strafing is something you'll have to be careful of.''
+
''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).''
  
 
=== Pros and cons ===
 
=== 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".'' -->'''Pros:'''
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<!-- ''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".'' -->
 +
''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".''
  
−
* '''Access to HE and HE-VT shells with more than 9 kg of TNT'''
+
'''Pros:'''
−
* '''Top speed of 56 km/h that it can easily reach'''
 
−
* '''Can be surprisingly survivable, usually not taken out in a single shot'''
 
−
* '''Impressive 75° elevation limit'''
 
−
* '''Top mounted .50 cal for taking out softer targets'''
 
  
 
*
 
*
  
 
'''Cons:'''
 
'''Cons:'''
−
 
−
* '''Hindered by a limited gun depression of -3 degrees'''
 
−
* '''The gunner optics have a low zoom level (4X)'''
 
−
* '''Thin armour, will only stop small arms fire'''
 
−
* '''Long reload (17.1 seconds stock)'''
 
  
 
*
 
*
  
 
== History ==
 
== History ==
−
<!-- ''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).'' -->''Development of the M109 began in the early 1950s under a U.S. program to develop a common chassis for a number of different SPH designs. Upon entering service, the M109 was immediately deployed to the Vietnam War. However, its operational service during the conflict was cut short due to serious mechanical malfunctions which rendered the fleet inoperable. Nonetheless, after being addressed and receiving its first upgrade to the A1 standard, the M109 would continue service with U.S. forces for decades to come, taking part in virtually all military conflicts where U.S. forces were deployed in. Once its design eventually matured, the M109 successfully resisted replacement on multiple occasions and continuously received upgrades until the present day. Great Britain had recieved M109A2/A3/A3Bs with 140+ entered service in 1965, upgraded to -A1 and -A2 standards, and 83 sold to Austria in 1994 (51 M109A2, 32 M109A3)''
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<!-- ''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).'' -->
 +
''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).''
 +
 
 
== Media ==
 
== Media ==
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+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
−
{{Youtube
+
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
−
| url = QjkKhVqNmfY
 
−
}}
 
  
 
== See also ==
 
== See also ==

Revision as of 11:57, 28 April 2024

RANK 5 FRANCE
Somua SM PACK
This page is about the tank destroyer M109A1 (Great Britain). For other versions, see M109 (Family).
▄M109A1
uk_m109a1.png
GarageImage M109A1 (Great Britain).jpg
▄M109A1
Britain flag.png Britain
IV Rank
Battle rating:
AB RB SB
6.3 6.3 6.3
Class:
Research:54 000 Specs-Card-Exp.png
Purchase:185 000 Specs-Card-Lion.png
Show in game

Description

The ▄M109A1 is a rank IV British tank destroyer with a battle rating of 6.3 (AB/RB/SB). It was introduced in Update "Kings of Battle".

General info

Survivability and armour

Armourfront / side / back
Hull32 / 32 / 32
Turret32 / 32 / 32
Crew6 people
Visibility96 %

The armour on the M109 is nearly non-existent, being surrounded by 32 mm thick aluminium alloy 5083, which effectively comes down to 13-20 mm RHA. This leaves the vehicle vulnerable to even light machine gun fire from any angle. The weakness of the armour turns into a strong-suit against AP shells that will pass straight through, unable to fuse or create enough spall to inflict major damage. Direct hits from HE and other chemical shells will most likely leave the M109 a burning wreck. The 6 crew members are pretty spaced apart in the turret, giving a plus to crew survivability.

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
AB62 / 13 km/h
RB and SB57 / 12 km/h
Number of gears8 forward
4 back
Weight24.1 t
Engine power
AB773 hp
RB and SB405 hp
Power-to-weight ratio
AB32.1 hp/t
RB and SB16.8 hp/t

Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.

Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 62 13 24.1 575 773 23.86 32.07
Realistic 57 12 358 405 14.85 16.8

Modifications and economy

Repair costBasic → Reference
AB3 148 → 3 894 Sl icon.png
RB3 601 → 4 454 Sl icon.png
SB4 887 → 6 045 Sl icon.png
Total cost of modifications47 000 Rp icon.png
85 900 Sl icon.png
Talisman cost1 500 Ge icon.png
Crew training52 000 Sl icon.png
Experts185 000 Sl icon.png
Aces710 Ge icon.png
Research Aces480 000 Rp icon.png
Reward for battleAB / RB / SB
110 / 180 / 230 % Sl icon.png
166 / 166 / 166 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
125 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
2 100 Rp icon.png
Cost:
3 800 Sl icon.png
110 Ge icon.png
Mods new tank break.png
Brake System
Research:
2 100 Rp icon.png
Cost:
3 800 Sl icon.png
110 Ge icon.png
Mods new tank filter.png
Filters
Research:
3 900 Rp icon.png
Cost:
7 100 Sl icon.png
200 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
7 600 Rp icon.png
Cost:
14 000 Sl icon.png
400 Ge icon.png
Mods new tank engine.png
Engine
Research:
7 600 Rp icon.png
Cost:
14 000 Sl icon.png
400 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
125 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
2 100 Rp icon.png
Cost:
3 800 Sl icon.png
110 Ge icon.png
Mods tank reinforcement uk.png
Crew Replenishment
Research:
3 900 Rp icon.png
Cost:
7 100 Sl icon.png
200 Ge icon.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
125 Ge icon.png
Mods tank ammo.png
155mm_M110_Smoke_ammo_pack
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
125 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
2 100 Rp icon.png
Cost:
3 800 Sl icon.png
110 Ge icon.png
Mods tank ammo.png
155mm_M107_HE_PF_ammo_pack
Research:
2 100 Rp icon.png
Cost:
3 800 Sl icon.png
110 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
3 900 Rp icon.png
Cost:
7 100 Sl icon.png
200 Ge icon.png

Armaments

Main armament

155 mm M185 cannon
Ammunition28 rounds
First-order16 rounds
Reloadbasic crew → aces
17.3 → 13.3 s
Vertical guidance-3° / 75°
Main article: M185 (155 mm)

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: {{main|Name of the weapon}}. 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.

155 mm M185 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 28 -3°/+75° ±180° - 9.7 13.4 16.3 18.0 19.1 17.29 15.30 14.10 13.30
Realistic 6.5 7.7 9.4 10.3 11.0

Ammunition

Penetration statistics
Ammunition Type of
warhead 		Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
M107 HE 61 61 61 61 61 61
M107 (PF) HE-VT 61 61 61 61 61 61
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (kg) 		Ricochet
0% 50% 100%
M107 HE 684 43.1 0.3 0.1 9.14 79° 80° 81°
Proximity-fused shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Arming
distance (m) 		Trigger
radius (m) 		Explosive mass
(TNT equivalent) (kg) 		Ricochet
0% 50% 100%
M107 (PF) HE-VT 684 43.1 0 0 300 3 9.14 79° 80° 81°
Smoke shell characteristics
Ammunition Velocity
(m/s) 		Projectile
mass (kg) 		Screen radius
(m) 		Screen deploy
time (s) 		Screen hold
time (s) 		Explosive mass
(TNT equivalent) (g)
M110 684 44.63 21 5 30 50

Ammo racks

Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		5th
rack empty 		6th
rack empty 		Visual
discrepancy
28 __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __

Machine guns

12.7 mm M2HB machine gun
Ammunition600 rounds
Belt capacity200 rounds
Reloadbasic crew → aces
10.4 → 8.0 s
Fire rate575 shots/min
Vertical guidance-10° / 45°
Main article: M2HB (12.7 mm)

Offensive and anti-aircraft machine guns not only allow you to fight some aircraft but also are effective against lightly armoured vehicles. Evaluate machine guns and give recommendations on its use.

12.7 mm M2HB
Mount Capacity (Belt) Fire rate Vertical Horizontal
Pintle 600 (200) 575 -10°/+50° ±180°

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).

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".

Pros:

Cons:

History

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: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Related development

External links


Britain tank destroyers
Infantry tank derivatives  Archer · Gun Carrier (3-in)
Light tank derivatives  Alecto I
M10 Achilles  Achilles · Achilles (65 Rg.)
Centurion derivatives  FV4005 · Conway
ATGM  Swingfire · Striker
Other  Tortoise · ▄M109A1
Canada  QF 3.7 Ram
South Africa  G6 · ZT3A2

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