Difference between revisions of "M109A1"
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''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:'' | ||
| − | * | + | * [[M109G (Italy)]] |
| − | * | + | |
| + | * [[M109 (Israel)]] | ||
| + | * [[M109A1 (Great Britain)]] | ||
| + | * [[M109G]] | ||
== External links == | == External links == | ||
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* ''topic on the official game forum;'' | * ''topic on the official game forum;'' | ||
* ''other literature.'' --> | * ''other literature.'' --> | ||
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* [[wt:en/news/8537-development-m109-the-king-of-battle-en|[Devblog] M109: The King of Battle]] | * [[wt:en/news/8537-development-m109-the-king-of-battle-en|[Devblog] M109: The King of Battle]] | ||
{{USA tank destroyers}} | {{USA tank destroyers}} | ||
Revision as of 21:47, 9 November 2023
Contents
Description
The M109A1 was introduced into American service in 1973 as an improved version of the M109 self-propelled howitzer. The main improvement was the installation of a new 155 mm M185 cannon, which had a longer barrel and a higher muzzle velocity than the previous M126. This increased the effective range of the M109A1 from 14.6 km to 18 km, giving it an advantage over foreign artillery. The M109A1 also had a new loading assist system that automated some of the loading procedures and reduced the workload of the crew. It was known for its role in supporting the US Army's operations in Europe and the Middle East, where it could provide fire support for ground forces and counter-battery fire against enemy artillery. The existing M109A1's were later converted to the M109A2 standard, which incorporated 27 RAM (Reliability, Availability, Maintability) improvements.
The M109A1 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 a fast rate of fire, thanks to its semi-automatic loader and large ammo capacity, and its mobility is complemented by a good top speed and acceleration. However, its armor 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.
General info
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? If necessary use a visual template to indicate the most secure and weak zones of the armour.
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
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
| Mobility | Protection | Firepower | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
Armaments
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 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 | Autoloader |
| Arcade | 28 | -3°/+75° | ±180° | - | __._ | __._ | __._ | __._ | __._ | _.__ |
| Realistic | __._ | __._ | __._ | __._ | __._ | |||||
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
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 |
| ___ (___) | ___ | __° | __° | |
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
Pros:
- Access to HE and HE-VT shells with more than 9 kg of TNT
- Top speed of 56 km/h that it can easily reach
- Good reloading rate of 13.3 seconds, which easily surpasses its counterparts
- Can be surprisingly survivable, usually not taken out in a single shot
- Automatic loading mechanism for the main cannon
- Impressive 75° elevation limit
Cons:
- Hindered by a limited gun depression of -3 degrees
- The gunner optics have a low zoom level (4X)
- Thin armor, will only stop small arms fire
History
Devblog History
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.
Media
Excellent additions to the article would be video guides, screenshots from the game, and photos.
See also
Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:
External links
| USA tank destroyers | |
|---|---|
| M10 | M10 GMC |
| M36 | M36 GMC · M36B2 |
| T95 | T28 · T95 |
| M109 | M109A1 |
| ATGM | LOSAT · M901 |
| Wheeled | M3 GMC · T55E1 |
| Other | M8 HMC · M50 · M56 |
| China | ▃LVT(A)(4) (ZIS-2) |
