Difference between revisions of "ASU-57"

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The '''{{Specs|name}}''' is a rank {{Specs|rank}} Russian tank destroyer {{Battle-rating}}. It was introduced in [[Update 1.59 "Flaming Arrows"]]. It is a tiny, mobile 57 mm gun carriage akin to the [[ZiS-30]].
+
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Russian tank destroyer {{Battle-rating}}. It was introduced in [[Update 1.59 "Flaming Arrows"]]. It was designed as an airborne self-propelled gun to provide fire support and anti-tank capability for the VDV (''Vozdushno-Desantnye Voyska''), the Soviet airborne forces.
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The ASU-57 is a tiny, open topped, turretless SPG armed with a 57 mm gun with good penetration. It is famously one of the smallest tracked vehicle in the game, weighing only 3.3 tons. Its complete lack of armour makes it extremely vulnerable, its only defense being its small size, making it extremely difficult to notice, let alone hit. It has very good speed and excellent maneuverability, being very nimble for a turretless tank destroyer. The 57 mm gun starts with solid shot rounds, which is troublesome as each shot will make the firing position more apparent. For this reason it is recommended to research the APHE rounds and adjustment of fire to reduce the number of shots needed to destroy an enemy.
 
−
 
 
−
The ASU-57 is very difficult but very rewarding and fun to play, and it is not recommended for arcade battles, as its primary advantage, stealth, is lost. The ASU-57 is a master of stealth, famed and beloved by the community by its ability to sneak up on tanks by using its extremely small size. When using the ASU-57, objects that other tanks would ignore or simply drive over are capable of completely hiding the vehicle, making ambushes and surprise attacks the specialty of the ASU-57. This size comes at a cost, however, as the ASU-57 has barely more survivability than a Soviet AA truck.
 
  
 
== General info ==
 
== General info ==
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''If necessary use a visual template to indicate the most secure and weak zones of the armour.''-->
 
''If necessary use a visual template to indicate the most secure and weak zones of the armour.''-->
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Due to the weight restrictions necessary for air portability, the ASU-57 has nearly no armour to speak of, and the side armour can be penetrated by even rifle-calibre machine guns. It has no armoured roof, and is thus extremely vulnerable to strafing runs by aircraft.
 +
 
'''Armour type:'''
 
'''Armour type:'''
  
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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.'' -->
 
<!-- ''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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{{tankMobility|abMinHp= 78|rbMinHp= 49|<!--AoAweight=(optional) -->}}
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{{tankMobility|abMinHp= 78|rbMinHp= 49|<!--AoAweight=(optional) -->}}While the ASU-57 has a top speed below 50 km/h, it has an excellent power/weight ratio that allows the vehicle to accelerate very quickly to reach its top speed. It is thus very mobile and turns very quickly. However, it has a poor reverse speed of only 5 km/h, which makes it hard to back up into cover or away from a threat.
  
 
== Armaments ==
 
== Armaments ==
 
<!--''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.''-->
 
<!--''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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{{main|Ch-51M (57 mm)}}
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{{main|Ch-51M (57 mm)}}The ASU-57 is armed with the '''57 mm Ch-51M''', a derivative of the 57 mm ZiS-2 anti-tank gun encountered previously on the [[ZiS-30]]. The mounting has a very limited amount of gun depression and traverse due to the small size of the ASU-57. The gun itself has a fairly fast reload, which is a good thing since it is not uncommon for the first penetrating hit to not completely destroy the target.
 +
 
 +
The gun starts off with the '''BR-271SP''' APBC shot. This round has no explosive filler, but has a respectable amount of penetration and surprisingly decent post-penetration damage due to spalling. The '''BR-271M''' APCBC shell does have an explosive filler, but at the cost of lower penetration than the stock APBC round. The '''BR-271N''' APCR shot has the best penetration, but also does a pitiful amount of damage upon penetration and also performs very poorly against sloped armour.
  
 
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<!--''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 ASU-57 is best used as an ambusher/flanker, executing surprise attacks from unexpected locations other vehicles would struggle or be unable to reach. The ASU-57 is incredibly short, and by driving up next to an enemy can render the vehicle completely safe, as almost no vehicle has enough gun depression to reach it. For this reason it is recommended to only go after isolated vehicles, as an enemy teammate will be able to assist their ally by destroying the ASU-57. For the maximum efficiency of this tactic, knock out the driver of the enemy vehicle, then rush up to their side before they can bring their gun to bear. Once this is done, try to ammo rack or pick off their crew before they can recover. with the addition of NVD's to the ASU, you can be quite the foe in a night battle if the situation ever arises.
+
One of the smallest tracked vehicles in the game, weighing only 3.3 tons, the ASU-57's complete lack of armour makes it extremely vulnerable. Its only defense is its small size, making it extremely difficult to notice, let alone hit. It accelerates quickly and is very nimble for a turretless tank destroyer.
 +
 
 +
The ASU-57 is very difficult but can be very rewarding and fun to play. It is not recommended for arcade battles, as its primary advantage, stealth, is lost. The ASU-57 is a master of stealth, famed and beloved by the community for its ability to sneak up on tanks using its extremely small size. When using the ASU-57, objects that other tanks would ignore or simply drive over are capable of completely hiding the vehicle, making ambushes and surprise attacks the specialty of the ASU-57. This size comes at a cost, however, as the ASU-57 is extremely vulnerable to almost anything that can shoot at it. Aircraft are especially dangerous due to the open crew compartment.
 +
 
 +
The ASU-57 is best used as an ambusher/flanker, executing surprise attacks from unexpected locations other vehicles would struggle or be unable to reach. The ASU-57 is incredibly short, and by driving up next to an enemy it can render the enemy tank completely helpless, as almost no vehicle has enough gun depression to reach it. For this reason, it is recommended to only go after isolated vehicles, as an enemy teammate will be able to assist their ally by destroying the ASU-57. For the maximum efficiency of this tactic, knock out the driver of the enemy vehicle, then rush up to their side before they can bring their gun to bear.  
  
−
Literally any vehicle, be it ground or air, can destroy the ASU-57 within seconds if allowed to get it in their sights.  
+
It is also interesting to note that the ASU-57 is the lowest ranked vehicle in the game with access to night vision devices.  
  
 
=== Pros and cons ===
 
=== Pros and cons ===
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'''Pros:'''
 
'''Pros:'''
  
−
* Tiny size and very light weight
+
* Tiny size; difficult to spot and hit
−
* Thin metal, so there's a chance that solid shot would go straight through without killing it
+
* Armour is too thin to trigger APHE fuzes
−
* Difficult to target at long range
+
* Excellent mobility
−
* Easy to conceal. The tank can proceed to the other side of the map and not be seen by anyone
+
* Most powerful 57 mm gun in the game
−
* Good speed and mobility
 
−
* Although very vulnerable to strafing by enemy planes, the vehicle can be easily concealed from their view (RB and SB)
 
−
* Very low profile makes it impossible to be hit by most enemy tank guns when right next to them
 
−
* Powerful 57 mm gun
 
−
* Access to APCR ammunition
 
−
* Access to NVDs
 
 
* Lowest ranked vehicle that has access to NVDs
 
* Lowest ranked vehicle that has access to NVDs
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* Virtually no armour
+
* Virtually no armour, can be hull-broken
−
* High top speed + no armour means the ASU-57 can destroy itself upon hard collision
+
* Low ammunition capacity
−
* Lightweight and tiny size makes it easy to push around by enemy and friendly tanks
+
* Extremely vulnerable to aircraft
−
* Low ammunition count
+
* 57 mm gun rarely destroys vehicles with one shot
−
* Crew can get knocked out easily by aircraft fire or artillery
 
−
* 57 mm gun can struggle to deal with angled armour
 
−
* 57 mm gun rarely can destroy vehicles with one shot
 
−
* Not suitable for AB players; this tank's main advantage is its small size, so having a big red marker does not play in the player's favour
 
−
* No defensive machine guns. SPAA can be a real threat, even at long range
 
−
* Crew are packed into the ASU-57, any damage will result in one or more knocked out crew member
 
 
* Prone to hull break
 
* Prone to hull break
−
* Can really struggle to penetrate certain tanks it will face, such as Jumbos and Churchills
+
* Poor gun depression and horizontal traverse
−
* Poor horizontal and vertical traverse of the gun
 
−
* Unsuitable for long range engagements
 
−
* Tall grass can hinder clear vision through the sight
 
  
 
== History ==
 
== History ==

Revision as of 08:56, 1 May 2020

ASU-57
ussr_asu_57.png
ASU-57
USSR flag.png USSR
III Rank
Battle rating:
AB RB SB
3.7 4.3 4.3
Class:
Research:18 000 Specs-Card-Exp.png
Purchase:47 000 Specs-Card-Lion.png
Show in game

Description

GarageImage ASU-57.jpg


The ASU-57 is a rank III Russian tank destroyer with a battle rating of 3.7 (AB) and 4.3 (RB/SB). It was introduced in Update 1.59 "Flaming Arrows". It was designed as an airborne self-propelled gun to provide fire support and anti-tank capability for the VDV (Vozdushno-Desantnye Voyska), the Soviet airborne forces.

General info

Survivability and armour

Due to the weight restrictions necessary for air portability, the ASU-57 has nearly no armour to speak of, and the side armour can be penetrated by even rifle-calibre machine guns. It has no armoured roof, and is thus extremely vulnerable to strafing runs by aircraft.

Armour type:

  • Rolled homogeneous armour
Armour Front (Slope angle) Sides Rear (Slope angle) Roof Belly
Body 6 mm (21-65°) Front Plate
6 mm (38°) Lower glacis 		4 mm 6 mm (9°) 5 mm 6 mm

Notes:

  • Suspension wheels are 10 mm thick, tracks are 15 mm thick

Mobility

Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 50 6 3.4 78 105 22.94 30.88
Realistic 46 6 49 55 14.41 16.18
While the ASU-57 has a top speed below 50 km/h, it has an excellent power/weight ratio that allows the vehicle to accelerate very quickly to reach its top speed. It is thus very mobile and turns very quickly. However, it has a poor reverse speed of only 5 km/h, which makes it hard to back up into cover or away from a threat.

Armaments

Main article: Ch-51M (57 mm)
The ASU-57 is armed with the 57 mm Ch-51M, a derivative of the 57 mm ZiS-2 anti-tank gun encountered previously on the ZiS-30. The mounting has a very limited amount of gun depression and traverse due to the small size of the ASU-57. The gun itself has a fairly fast reload, which is a good thing since it is not uncommon for the first penetrating hit to not completely destroy the target.

The gun starts off with the BR-271SP APBC shot. This round has no explosive filler, but has a respectable amount of penetration and surprisingly decent post-penetration damage due to spalling. The BR-271M APCBC shell does have an explosive filler, but at the cost of lower penetration than the stock APBC round. The BR-271N APCR shot has the best penetration, but also does a pitiful amount of damage upon penetration and also performs very poorly against sloped armour.

57 mm ch-51M
Capacity Vertical
guidance 		Horizontal
guidance 		Stabilizer
30 -4°/+12° ±7° N/A
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 7.10 _.__ _.__ __._ __._
Realistic 7.10 _.__ _.__ __._ __._
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
6.50 __.__ __.__ __.__
Ammunition
Penetration statistics
Ammunition Type of
warhead 		Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
BR-271SP APBC 161 158 144 129 115 103
BR-271M APCBC 145 142 127 110 96 83
O-271 HE 5 5 5 5 5 5
BR-271N APCR 196 193 155 117 89 67
Shell details
Ammunition Type of
warhead 		Velocity
in m/s 		Projectile
Mass in kg 		Fuse delay

in m:

Fuse sensitivity

in mm:

Explosive Mass in g
(TNT equivalent): 		Normalization At 30°
from horizontal: 		Ricochet:
0% 50% 100%
BR-271SP APBC 1020 3.4 N/A N/A N/A +4° 48° 63° 71°
BR-271M APCBC 975 2.8 1.2 20 22.1 +4° 48° 63° 71°
O-271 HE 695 3.7 0.4 0.01 220 +0° 79° 80° 81°
BR-271N APCR 1125 2.4 N/A N/A N/A +1.5° 66° 70° 72°
Ammo racks
Ammo racks of the ASU-57.
Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		Visual
discrepancy
30 25 (+5) 19 (+11) 1 (+29) No

Right side empty: 19 (+11)

Usage in battles

One of the smallest tracked vehicles in the game, weighing only 3.3 tons, the ASU-57's complete lack of armour makes it extremely vulnerable. Its only defense is its small size, making it extremely difficult to notice, let alone hit. It accelerates quickly and is very nimble for a turretless tank destroyer.

The ASU-57 is very difficult but can be very rewarding and fun to play. It is not recommended for arcade battles, as its primary advantage, stealth, is lost. The ASU-57 is a master of stealth, famed and beloved by the community for its ability to sneak up on tanks using its extremely small size. When using the ASU-57, objects that other tanks would ignore or simply drive over are capable of completely hiding the vehicle, making ambushes and surprise attacks the specialty of the ASU-57. This size comes at a cost, however, as the ASU-57 is extremely vulnerable to almost anything that can shoot at it. Aircraft are especially dangerous due to the open crew compartment.

The ASU-57 is best used as an ambusher/flanker, executing surprise attacks from unexpected locations other vehicles would struggle or be unable to reach. The ASU-57 is incredibly short, and by driving up next to an enemy it can render the enemy tank completely helpless, as almost no vehicle has enough gun depression to reach it. For this reason, it is recommended to only go after isolated vehicles, as an enemy teammate will be able to assist their ally by destroying the ASU-57. For the maximum efficiency of this tactic, knock out the driver of the enemy vehicle, then rush up to their side before they can bring their gun to bear.

It is also interesting to note that the ASU-57 is the lowest ranked vehicle in the game with access to night vision devices.

Pros and cons

Pros:

  • Tiny size; difficult to spot and hit
  • Armour is too thin to trigger APHE fuzes
  • Excellent mobility
  • Most powerful 57 mm gun in the game
  • Lowest ranked vehicle that has access to NVDs

Cons:

  • Virtually no armour, can be hull-broken
  • Low ammunition capacity
  • Extremely vulnerable to aircraft
  • 57 mm gun rarely destroys vehicles with one shot
  • Prone to hull break
  • Poor gun depression and horizontal traverse

History

Development

In mid-1940s, sometime either late in World War II or post-war, a proposal was made to develop a vehicle for the airborne troops. The vehicle was to be a lightweight assault gun able to support the paratroopers by being transportable by air. The task was given to two design bureaus, OKB-40 headed by Nikolaj Astrov in Mytischi and the other to Anatoly Karvtsev in Moscow. Astrov designed his vehicle as the ASU-76, armed with a 76 mm D-56T gun. The design ended up being too heavy and its armour way too thin for adequate protection and was cancelled. Kartsev's project was the K-73 which was amphibious and used a 57 mm Ch-51 anti-tank gun as its armament. This was even more thinly armoured than the ASU-76 and was also cancelled.

In 1949, Astrov was able to continue work on his design, but with specifications that the vehicle be made lighter and use the 57 mm Ch-51 gun instead due to its anti-tank performances. The redesigned vehicle was labeled Object 572 and passed the test phases in 1949. It was formally accepted for service as the ASU-57 in 1951 and production lasted from 1950 to 1952 with amounts produced up to a thousand.

Usage

The ASU-57, as an airborne vehicle, was made to be air-dropped from planes and land via a rocket-assisted parachute. It was then crewed by its airborne crew and support the airborne troops in their operation. Each airborne division had 54 vehicles at its disposal. It proved successful despite its weak armour and small caliber as this type of vehicle was invaluable in the hands of airborne troops, able to use a mobile artillery vehicle behind enemy lines. The ASU-57 stayed in service in the Soviet Airborne Forces for around 20 years before being replaced by the ASU-85.

The ASU-57 was also given out to the Soviet Union's allies from 1960s to 70s. Such included Egypt, East Germany, North Korea, Poland, Sahrawi Republic, Vietnam, Yugoslavia, and Ethiopia.

Media

Skin and Camouflages for the ASU-57 in Warthunder Live.

See also

External links


USSR tank destroyers
SU-76M  SU-76M · SU-76M (5th Gv.Kav.Corps) · SU-85A
SU-57B  SU-57B · SU-76D
T-34 Derivatives  SU-122 · SU-85 · SU-85M · SU-100 · SU-122P
Heavy Tank Derivatives  SU-100Y · ISU-122 · ISU-122S · SU-152 · ISU-152 · Object 268
SU-100P and Derivatives  SU-100P · Object 120
Wheeled  YaG-10 (29-K)
Airborne  ASU-57 · ASU-85
Rocket  BM-8-24 · BM-13N · BM-31-12
ATGM  IT-1 · Shturm-S · Object 775 · Khrizantema-S
Artillery  2S1 · 2S3M
Other  SU-5-1 · ZiS-30 · SU-122-54
USA  SU-57

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