Difference between pages "PV-2D" and "ASU-85"

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{{Specs-Card
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{{Specs-Card|code=ussr_asu_85}}
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|code=pv_2d
 
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|market=PV-2D Harpoon (USA)
 
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}}
 
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{{About
 
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| about = gift American medium bomber '''{{PAGENAME}}'''
 
−
| usage = standard version
 
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| link = B-34
 
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}}
 
  
 
== Description ==
 
== Description ==
−
<!-- ''In the description, the first part should be about the history of and the creation and combat usage of the aircraft, as well as its key features. In the second part, tell the reader about the aircraft 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.''-->
−
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
+
[[File:GarageImage_ASU-85.jpg|420px|thumb|left]]
 
{{break}}
 
{{break}}
−
The '''{{Specs|name}}''' is a gift rank {{Specs|rank}} American bomber {{Battle-rating}}. It was introduced in [[Update 1.67 "Assault"]], during the 2017 World War Two: Chronicles event, unlocked after obtaining 6 Chronicle Awards.
+
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 to provide the VDV (''Vozdushno-Desantnye Voyska''), the Soviet airborne forces, with an air-portable self-propelled gun for independent fire support and anti-tank capability in support of paratroopers during airborne operations.
  
 
== General info ==
 
== General info ==
−
=== Flight performance ===
+
=== Survivability and armour ===
−
''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.''
+
<!--''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.''-->
 +
The front upper glacis plate, while only 45 mm thick, is quite heavily sloped and can occasionally ricochet rounds. The mantlet is also quite thick and rounded, and it can also bounce the occasional lucky shot.  
 +
 
 +
However, the rest of the ASU-85 is very thinly armoured and vulnerable to even heavy machine guns. It is especially vulnerable to aircraft strafing.
 +
 
 +
'''Armour type:'''
 +
 
 +
* Rolled homogeneous armour
 +
* Cast homogeneous armour (Gun mantlet)
 +
 
 +
{| class="wikitable"
 +
|-
 +
! Armour !! Front !! Sides !! Rear !! Roof
 +
|-
 +
| Hull || 45 mm (60°) ''Front glacis'' <br> 45 mm (37°) ''Lower glacis'' <br> 50 mm ''Driver port''|| 6 mm || 6 mm (40°) ''Upper'' <br> 6 mm (18°) ''Lower'' || 6 mm
 +
|-
 +
| Superstructure || 45 mm (60°) ''Front glacis'' <br> 100 mm ''Gun mantlet'' || 13 mm (37-38°) || 6 mm || 13 mm ''Front'' <br> 6 mm ''Rear''
 +
|-
 +
|}
 +
'''Notes:'''
 +
 
 +
* Suspension wheels are 10 mm thick, tracks are 15 mm thick.
 +
 
 +
=== 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= 298|rbMinHp= 186|<!--AoAweight=(optional) -->}}The ASU-85 is based on the [[PT-76B]] and uses the same engine. It is somewhat heavier, however, and the mobility thus suffers comparatively. With a top speed of under 50 km/h, the ASU-85 is relatively slow for such a lightly armoured vehicle, but it is adequate enough for repositioning when needed. The ASU-85 also has a fairly slow reverse speed and only one reverse gear, inherited from the PT-76B.
 +
 
 +
It should also be noted that the ASU-85 is ''not'' amphibious, unlike the PT-76B it is based on.
 +
 
 +
== 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: <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|D-70 (85 mm)}}The ASU-85 is armed with the '''85 mm D-70''', a significantly more powerful gun compared to the wartime Soviet 85 mm ZiS S-53 and D-5T guns and comparable in capability to the German 8,8 cm L/71 guns. The mounting has only 4° of gun depression due to the restricted size of the vehicle, but has a fairly generous amount of traverse for a casemate tank destroyer. It has a relatively low rate-of-fire for its calibre, reflecting the rather cramped crew compartment of the ASU-85.
 +
 
 +
The standard shell is the '''BR-372''' APBC shell with a lethal explosive filler. It has an excellent muzzle velocity and is accurate at long ranges. It will also easily penetrate most things that the ASU-85 may encounter. Anything that cannot be penetrated by the APBC shell will almost certainly be penetrable by the '''3BK7''' HEAT-FS round. Boasting 300 mm of penetration, it is capable of punching straight through a [[Tiger II (P)|Tiger II]]'s upper glacis and does not lose penetration over distance. However, it suffers the usual drawbacks of HEAT rounds (cannot go through obstacles like trees or fences) and is significantly less lethal than the APBC shell. The muzzle velocity is also lower, which can complicate aiming at long ranges.
  
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! colspan="8" | Characteristics
+
! colspan="6" | [[D-70 (85 mm)|85 mm D-70]]
 +
|-
 +
! colspan="3" rowspan="1" style="width:5em" |Capacity
 +
! rowspan="1" | Vertical <br> guidance
 +
! rowspan="1" | Horizontal <br> guidance
 +
! rowspan="1" | Stabilizer
 
|-
 
|-
−
! colspan="8" | ''Stock''
+
| colspan="3" | 39 || -4°/+15° || ±15° || N/A
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 4,267 m)
+
! colspan="6" | Turret rotation speed (°/s)
−
! rowspan="2" | Max altitude<br>(meters)
 
−
! colspan="2" | Turn time<br>(seconds)
 
−
! colspan="2" | Rate of climb<br>(meters/second)
 
−
! rowspan="2" | Take-off run<br>(meters)
 
 
|-
 
|-
−
! AB
+
! style="width:4em" |Mode
−
! RB
+
! style="width:4em" |Stock
−
! AB
+
! style="width:4em" |Upgraded
−
! RB
+
! style="width:4em" |Prior + Full crew
−
! AB
+
! style="width:4em" |Prior + Expert qualif.
−
! RB
+
! style="width:4em" |Prior + Ace qualif.
 
|-
 
|-
−
| ??? || ??? || {{Specs|ceiling}} || ??.? || ??.? || ??.? || ??.? || 549
+
| ''Arcade'' || 4.2 || __.__ || __.__ || __.__ || __.__
 
|-
 
|-
−
! colspan="8" | ''Upgraded''
+
| ''Realistic'' || 4.2 || __.__ || __.__ || __.__ || __.__
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 4,267 m)
+
! colspan="4" | Reloading rate (seconds)
−
! rowspan="2" | Max altitude<br>(meters)
 
−
! colspan="2" | Turn time<br>(seconds)
 
−
! colspan="2" | Rate of climb<br>(meters/second)
 
−
! rowspan="2" | Take-off run<br>(meters)
 
 
|-
 
|-
−
! AB
+
! colspan="1" style="width:4em" |Stock
−
! RB
+
! colspan="1" style="width:4em" |Prior + Full crew
−
! AB
+
! colspan="1" style="width:4em" |Prior + Expert qualif.
−
! RB
+
! colspan="1" style="width:4em" |Prior + Ace qualif.
−
! AB
 
−
! RB
 
 
|-
 
|-
−
| 511 || 478 || {{Specs|ceiling}} || 26.9 || 28.0 || 15.8 || 12 || 549
+
| 11.2 || __.__ || __.__ || __.__
 
|-
 
|-
 
|}
 
|}
  
−
==== Details ====
+
===== Ammunition =====
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="8" | Penetration statistics
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! rowspan="2" class="unsortable" | Type of <br /> warhead
 +
! colspan="6" | '''Penetration''' '''''in mm''''' '''@ 0° Angle of Attack'''
 +
|-
 +
! 10m
 +
! 100m
 +
! 500m
 +
! 1000m
 +
! 1500m
 +
! 2000m
 
|-
 
|-
−
! colspan="5" | Features
+
| BR-372 || APBC || 230 || 227 || 214 || 199 || 186 || 172
 
|-
 
|-
−
! Combat flaps
+
| OF-372 || HE || 11 || 11 || 11 || 11 || 11 || 11
−
! Take-off flaps
 
−
! Landing flaps
 
−
! Air brakes
 
−
! Arrestor gear
 
 
|-
 
|-
−
| ✓ || ✓ || ✓ || X || X    <!-- ✓ -->
+
| 3BK7 || HEATFS || 300 || 300 || 300 || 300 || 300 || 300
 
|-
 
|-
 
|}
 
|}
−
 
+
{| class="wikitable sortable" style="text-align:center" width="100%"
−
{| class="wikitable" style="text-align:center"
+
! 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:''
 
|-
 
|-
−
! colspan="5" | Limits
+
! 0%
 +
! 50%
 +
! 100%
 
|-
 
|-
−
! rowspan="2" | Wing-break speed<br>(km/h)
+
| BR-372 || APBC || 1040 || 9.3 || 1.2 || 15 || 85 || +4° || 48° || 63° || 71°
−
! rowspan="2" | Gear limit<br>(km/h)
 
−
! rowspan="2" | Combat flaps<br>(km/h)
 
−
! colspan="2" | Max Static G
 
 
|-
 
|-
−
! +
+
| OF-372 || HE || 1010 || 9.7 || 0.1 || 0.3 || 740 || +0° || 79° || 80° || 81°
−
! -
 
 
|-
 
|-
−
| {{Specs|destruction|constructions}} || {{Specs|destruction|chassis}} || 340 || ~4 || ~2
+
| 3BK7 || HEATFS || 925 || 7.2 || 0.1 || 0.1 || 1,590 || +0° || 65° || 72° || 75°
 
|-
 
|-
 
|}
 
|}
  
−
{| class="wikitable" style="text-align:center"
+
===== [[Ammo racks|Ammo racks]] =====
 +
[[File:Ammoracks_ASU-85.png|right|thumbnail|x250px|[[Ammo racks|Ammo racks]] on the ASU-85.]]
 +
{| class="wikitable sortable" style="text-align:center"
 
|-
 
|-
−
! colspan="4" | Optimal velocities
+
! 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
 
|-
 
|-
−
! Ailerons<br>(km/h)
+
|| '''39''' || 33&nbsp;''(+6)'' || 26&nbsp;''(+13)'' || 19&nbsp;''(+20)'' || 13&nbsp;''(+26)'' || 7&nbsp;''(+32)'' || 1&nbsp;''(+38)'' || style="text-align:left" | No
−
! Rudder<br>(km/h)
 
−
! Elevators<br>(km/h)
 
−
! Radiator<br>(km/h)
 
−
|-
 
−
| < 260 || < 290 || < 320 || > 337
 
 
|-
 
|-
 
|}
 
|}
 +
 +
Front empty: 26&nbsp;''(+13)''<br />Sides only: 33&nbsp;''(+6)''
 +
 +
=== 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.''-->
 +
{{main|SGMT (7.62 mm)}}
  
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! colspan="3" | Compressor (RB/SB)
+
! colspan="7" | [[SGMT (7.62 mm)|7.62 mm SGMT]]
−
|-
 
−
! colspan="3" | Setting 1
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| 1,615 m || 1,600 hp || 1,984 hp
 
 
|-
 
|-
−
! colspan="3" | Setting 2
+
! colspan="7" | ''Coaxial mount''
 
|-
 
|-
−
! Optimal altitude
+
! colspan="4" rowspan="1" style="width:5em" |Capacity (Belt capacity)
−
! 100% Engine power
+
! rowspan="1" | Fire rate <br> (shots/minute)
−
! WEP Engine power
+
! rowspan="1" | Vertical <br> guidance
 +
! rowspan="1" | Horizontal <br> guidance
 
|-
 
|-
−
| 4,023 m || 1,450 hp || 1,798 hp
+
| colspan="4" | 2,000 (250) || 600 || N/A || N/A
 
|-
 
|-
 
|}
 
|}
−
 
−
=== Survivability and armour ===
 
−
<!-- ''Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.'' -->
 
−
* 12.7 mm Steel - Armour plate cockpit, in front of the pilot
 
−
* 12.7 mm Steel - Armour plate cockpit, behind the pilot
 
−
* 12.7 mm Steel - Armour plate cockpit, behind radio operator/navigator
 
−
* 12.7 mm Steel - Armour plate - tail section and ventral gunner protection
 
−
* 12.7 mm Steel - Armour plate - dorsal gunner protective plate
 
−
* Fuel tanks at wing roots to middle of wing
 
−
 
−
== Armaments ==
 
−
=== Offensive armament ===
 
−
<!-- ''Describe the offensive armament of the aircraft, if any. Describe how effective the cannons and machine guns are in a battle, and also what belts or drums are better to use. If there is no offensive weaponry, delete this subsection.'' -->
 
−
{{main|Browning M2 (12.7 mm)}}
 
−
 
−
The '''''{{PAGENAME}}''''' is armed with:
 
−
* 8 x 12.7 mm Browning M2 machine guns, chin-mounted (250 rpg = 2,000 total)
 
−
 
−
=== Suspended armament ===
 
−
<!-- ''Describe the aircraft's suspended armament: additional cannons under the wings, bombs, rockets and torpedoes. This section is especially important for bombers and attackers. If there is no suspended weaponry remove this subsection.'' -->
 
−
{{main|AN-M57 (250 lb)|AN-M64A1 (500 lb)|AN-M65A1 (1,000 lb)}}
 
−
{{main|Tiny Tim|HVAR|Mk.13/44|Browning M2 (12.7 mm)}}
 
−
 
−
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
−
* 6 x 250 lb AN-M57 bombs (1,500 lb total)
 
−
* 8 x HVAR rockets
 
−
* 6 x 250 lb AN-M57 bombs + 8 x HVAR rockets (1,500 lb total)
 
−
* 8 x HVAR rockets + 1 x Mk.13/44 torpedo
 
−
* 6 x 500 lb AN-M64A1 bombs + 8 x HVAR rockets (3,000 lb total)
 
−
* 6 x 1,000 lb AN-M65A1 bombs + 8 x HVAR rockets (6,000 lb total)
 
−
* 2 x Tiny Tim rockets + 8 x HVAR rockets
 
−
* 4 x 12.7 mm Browning M2 machine guns (340 rpg = 1,360 total)
 
−
 
−
Note: Gunpods are fired separately from nose armaments if fired via '''"Additional guns"''' keybinds.
 
−
 
−
=== Defensive armament ===
 
−
<!-- ''Defensive armament with turret machine guns or cannons, crewed by gunners. Examine the number of gunners and what belts or drums are better to use. If defensive weaponry is not available, remove this subsection.'' -->
 
−
{{main|Browning M2 (12.7 mm)}}
 
−
 
−
The '''''{{PAGENAME}}''''' is defended by:
 
−
* 2 x 12.7 mm Browning M2 machine guns, dorsal turret (400 rpg = 800 total)
 
−
* 2 x 12.7 mm Browning M2 machine guns, ventral turret (1,000 rpg = 2,000 total)
 
  
 
== Usage in battles ==
 
== Usage in battles ==
−
<!-- ''Describe the tactics of playing in an aircraft, the features of using aircraft in a 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. Examine 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).''-->
−
The PV-2D Harpoon is a bomber and should be played as such. Its gigantic and versatile payload options allow for enough power against ground/naval targets and bases. The eight nose-mounted 12.7 mm machine guns deal excellent damage, and can be used offensively with the dorsal turret able to point forward. Though the gunners provide ample top and bottom protection, the tail of the vehicle is a blind spot to the two turret gunners and thus a tailing pursuant would be a priority threat.
+
The ASU-85 is a veritable glass cannon that relies on stealth and/or distance in order to survive on the battlefield. It is very vulnerable if caught in the open, especially to planes due to the very weak roof armour. The 85 mm gun is capable of handling almost any tank likely to be encountered by the ASU-85. Unfortunately, the ASU-85 lacks the mobility of its predecessor, the [[ASU-57]], and thus has to adopt a more passive playstyle. The stock APBC round is excellent for ambushes, which tend to involve a lot of side shots where the lethality of the explosive filler is valuable, especially with the long reload time of the gun. The HEAT-FS round is better suited for medium/long-range fighting, since it does not lose penetration over distance.  
  
−
It is also viable for bomber hunting due to the bomber spawn and its offensive armaments. Engaging unsuspecting fighters is also good, provided that you utilise BnZing and extend away. If your nose guns are out, consider using your dorsal for emergency shooting. Without an arrestor hook, you must land on carriers with some risk. Approach low and slow, use your flaps to slow down more and land on the deck without deploying your gear. Your plane won't break, the fuselage and engines will eat the brunt of impact. Same applies to landing on ground, you can do a soft belly landing without dying.
+
The ASU-85 has a rather unorthodox method of using its smoke screen. Unlike most vehicles, which use smoke shells, singular canisters, or canister clusters, the ASU-85 uses two large drum like structures at the rear. When deployed, these will drop away, so it is relatively easy to tell from close range whether or not an ASU-85 has smoke or not, and how many it has. Due to the orientation of the drums, the smoke screen will actually form ''behind'' the tank and take about 2-3 seconds to fully envelope the assault gun.
  
−
If you do engage, try to drag the enemy to ground level. Dragging hostiles down is great for your team to pick off, and you can force pursuers to your tail by diving down. Dogfighting is not encouraged, but it can turn on a dime occasionally.
+
Common opponent weakspots:
  
−
=== Manual Engine Control ===
+
* Tiger II [[Tiger II (P)|(P)]], [[Tiger II (H)|(H)]], [[Tiger II (10.5 cm Kw.K)|105 mm]]: Turret cheeks. HEAT-FS can penetrate the hull front.
−
{| class="wikitable" style="text-align:center"
+
* [[Panther II]]: APBC can penetrate the turret face. HEAT-FS can penetrate the hull front.
−
|-
+
* [[T29|T29]]: Lower glacis. There are also weakspots in the gun mantlet, but they may be hard to hit at anything but close range.
−
! colspan="7" | MEC elements
+
* [[Caernarvon|Caernavron]]: Turret ring and lower glacis.
−
|-
+
* [[Tortoise|A39 Tortoise]]: Area surrounding the hull machine gun port.
−
! rowspan="2" | Mixer
+
* [[T95|T95]]: Cupolas may be penetrated but do not trigger the explosive filler of AP rounds.
−
! rowspan="2" | Pitch
+
* [[Jagdtiger|Jagdtiger]]: HEAT-FS can penetrate the hull front and superstructure.
−
! colspan="3" | Radiator
 
−
! rowspan="2" | Supercharger
 
−
! rowspan="2" | Turbocharger
 
−
|-
 
−
! Oil
 
−
! Water
 
−
! Type
 
−
|-
 
−
| Controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Controllable<br>2 gears || Not controllable
 
−
|-
 
−
|}
 
  
 
=== Modules ===
 
=== Modules ===
 
{| class="wikitable"
 
{| class="wikitable"
−
! colspan="1" | Tier
+
!Tier
−
! colspan="2" | Flight performance
+
! colspan="2" |Mobility
−
! colspan="1" | Survivability
+
!Protection
−
! colspan="3" | Weaponry
+
! colspan="3" |Firepower
 
|-
 
|-
−
| I
+
|I
−
| Fuselage repair
+
|Tracks
−
| Radiator
 
 
|
 
|
−
| Offensive 12 mm
+
|Parts
−
| DGP-1
+
|Horizontal Drive
−
| FRC mk.5
 
−
|-
 
−
| II
 
 
|
 
|
−
| Compressor
 
−
| Airframe
 
 
|
 
|
 +
|-
 +
|II
 +
|Suspension
 +
|Brake System
 +
|FPE
 +
|Adjustment of Fire
 +
|Airstrike
 
|
 
|
−
| ITC mk.III
 
 
|-
 
|-
−
| III
+
|III
−
| Wings repair
+
|Filters
−
| Engine
 
 
|
 
|
−
| New 12 mm MGs
+
|Crew Replenishment
−
| Turret 12 mm
+
|Elevation Mechanism
−
| SBC-17
+
|Smoke Grenade
 +
|NVD
 
|-
 
|-
−
| IV
+
|IV
−
|
+
|Transmission
−
| Engine injection
+
|Engine
−
| Cover
 
 
|
 
|
−
| New 12 mm MGs (turret)
+
|Rangefinder
−
| LBC-25
+
|Improved Optics
−
|-
+
|3BK7
 
|}
 
|}
  
 
=== 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 the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
+
<!--''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 - use substitutions with softer forms such as "inadequate" and "effective".''-->
 +
'''Pros:'''
  
−
'''Pros:'''
+
* Excellent 85 mm gun
−
* Very deadly offensive armament with plenty of ammunition
+
* Competitive stock APBC round with explosive filler
−
* Effective defensive armament with good coverage over rear section of aircraft
+
* Access to HEAT-FS with 300 mm of penetration
−
* The dorsal turret can swivel 360 degrees and even fire at targets off the nose of the plane
+
* Tiny profile
−
* Defensive armament has lots of ammo
+
* Access to a coaxial machine gun
−
* Good acceleration overall
+
* Access to night vision devices
−
* Acceptable climb rate
 
−
* Good energy retention in turns due to heavy weight(But do not turn too much, else you bleed all your energy)
 
−
* Large and versatile payload options
 
  
 
'''Cons:'''
 
'''Cons:'''
−
* Huge airframe: prone to damage
+
 
−
* Big tail section is prone to attacks, usually crippling tail control
+
* Slow gun elevation and traverse
−
* Belly is a blindspot for gunners
+
* Slow reload for an 85 mm gun
−
* Cannot sustain multiple turns, energy will bleed despite nice energy retention
+
* Lightly armoured everywhere besides the front, especially vulnerable to aircraft strafing
−
* Mediocre manoeuvrability
+
* Poor reverse speed
−
* Cannot fly on one engine: you cannot sustain flight with just one
+
* Mediocre mobility, considering the light armour
 +
* Poor gun depression
  
 
== History ==
 
== History ==
−
<!-- ''Describe the history of the creation and combat usage of the aircraft 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 ground vehicle in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to 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></nowiki></code>, as well as adding them at the end of the article. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== Encyclopedia Info ===</nowiki></code>, also if applicable).''-->
−
===Ventura===
+
===Development===
−
After the success of the Lockheed Hudson, Lockheed sought to introduce another bomber named the ''Ventura'' based off their Model 18 Lodestar transport aircraft. Though similar to the Hudson, the Ventura was a lot bigger. The Royal Air Force adopted the plane under the Ventura name, and the United States Army Air Force (USAAF) adopted it as the [[B-34|B-34 Lexington]]. Though the Ventura was faster and could hold twice as many bombs than the Hudson, the Royal Air Force did not like the plane very much and replaced them with Mosquitoes, the surplus Venturas sent to Coastal Command. America's usage of the B-34 Lexington was complicated with a feud in air power between the USAAF and the US Navy (USN). The USAAF had a monopoly on manufacturing and command of land-based bombers, leading to naval activities such as anti-submarine duties with bombers shouldered by the USAAF rather than the USN, forcing the usage of float planes like the [[PBY-5_Catalina|Catalina]] in the Navy's role. It wasn't until a compromise with the [[B-29A-BN|B-29 Superfortress]] in a naval manufacturing factory that the Army finally gave the Navy the aircraft and jurisdiction to act in their roles.
+
A new assault gun was requested by the Armed Forces sometime before 1953. Due to the success of the [[ASU-57]], they tasked the OKB-40 design bureau headed by Nikolaj Astrov to design the vehicle. The design, designated ''Object 573'', was ready for tests in the latter half of 1953. Constant changes and improvement was made from the span of 1956 to 1957. The design used the chassis of the [[PT-76B|PT-76]] amphibious light tank design, though it did not have the same amphibious feature and had a new engine propelling it. The armament was an 85 mm D-70 gun derived from the 85 mm D-48 anti-tank gun. The design could carry 45 rounds inside and could fire a variety of rounds up to 1 km away. Secondary armament for the vehicle was a GMT or PKT coaxial machine gun. The improved design was going to accepted and enter production in 1958 as the ''SU-85'' (despite the existence of [[SU-85|a vehicle of the same name]]), but this was again delayed when the Ministry of Defense ordered an armoured roof to be installed. The design was to enter production in 1961, but by then the design was rather outdated for army forces usage. Thus, when the vehicle entered production, it was taken up by the VDV, the Soviet Airborne Forces, and renamed the '''ASU-85'''. The ASU-85 was produced from 1959 to 1966, while staying in service from 1959 all the way to 1993.
  
−
===Naval adoption===
+
===Usage===
−
The Lockheed Ventura bomber, an aircraft the USN had an eye for, was converted for their usage. The adapted Venturas were adopted under the designation ''PV-1 Ventura'' for the navy, with special equipment for patrol bombing, increased fuel storage along with a decrease in forward defensive armaments, and the addition of search radar. The first PV-1s arrived in December 1942, then entered naval service in February 1943.
+
The Soviet airborne forces primarily used the ASU-85 as a light infantry support/assault gun. Advancements in air-drop techniques and the advent of helicopters made its air deployment a more viable option in the early 1960s. The Soviet Union deployed 31 ASU-85s to each of its airborne divisions in and assault gun battalion. The Soviet Union used the ASU-85 during the Soviet-Afghan War with the airborne troops stationed there.
  
−
The PV-1 was an adequate bomber but provided some weaknesses needed addressing, most notably in that the increased fuel weight made it difficult to take-off without problems. The Ventura design was modified with an increased wing area in order to improve take-off and load-carrying capability. This allowed the aircraft to carry not only up to 4,000 lb of bombs but even rockets under the wings. The redesigned aircraft was accepted by the USN as the '''PV-2 Harpoon'''. More than 500 Harpoons were built in the course of the war, with several variants. The original PV-2 had five forward armaments whereas the '''PV-2D''' updated it with eight forward guns. The ''PV-2C'' and ''PV-2T'' models were models built for training.
+
The ASU-85 was only given out to Poland and Vietnam. Poland used the ASU-85s in the same manner as the Soviet Union, with 31 vehicles in each airborne divisions. The ASU-85 are still in service in the Vietnamese military, with interests on improving their technical performances in early 2016.<ref name="JaneASU-85">Fisher, Richard D., Jr. "DSA 2016: Vietnam May Update Soviet Era ASU-85s." IHS Jane's 360, 21 Apr. 2016. Web. 23 Sept. 2016.</ref>
  
−
===Combat usage===
+
The ASU-85 also serves as the genesis of other support vehicles using the derived PT-76 chassis. The most notable vehicle using a similar chassis was the [[ZSU-23-4|ZSU-23-4 "Shilka"]] anti-aircraft system.
−
The PV-1 was operated by three squadrons in the Pacific Theatre and flew bombing strikes against Japan. The PV-1 usually accompanied [[B-24D-25-CO|B-24s]] due to having a more sophisticated radar system. A few were also given to the Marine Corps fighter squadron VMF(N)-531 at the Solomon Islands.
 
  
−
The PV-2's design had a shaky start, issues with the wings wrinkling came off as dangerously problematic. Another redesign was needed, delaying the introduction into the Navy until early 1945, with the ones already delivered converted for training purposes as the ''PV-2C''. When the Harpoons were finally shipped, it went as the ''PV-2D'' model, and these aircraft designs proved reliable and popular with the crews that used them.
+
== Media ==
 +
<!--''Excellent additions to the article would be video guides, screenshots from the game, and photos.''-->
 +
Skin and Camouflages for the [https://live.warthunder.com/feed/camouflages/?vehicleCountry=ussr&vehicleType=tank&vehicleClass=tank_destroyer&vehicle=ussr_asu_85 ASU-85] in Warthunder Live.
 +
{{Youtube-gallery|y2G4K-5ZvDw|The ASU-85 in Soviet Airborne service}}
  
−
After the war, the Venturas and its variants were eventually declared obsolete. A number were scrapped, some were given away to foreign nations during and after the war. A number of the aircraft still survive today in both airworthy and display-only conditions.
+
==References==
 +
'''Citations'''
 +
<references />
  
−
== Media ==
+
'''Bibliography'''
−
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
+
 
 +
* [Http://www.janes.com/article/59688/dsa-2016-vietnam-may-update-soviet-era-asu-85s [World News<nowiki>]</nowiki> Vietnam may update Soviet-era ASU-85s]
  
 
== 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 aircraft;''
 
−
* ''links to approximate analogues of other nations and research trees.'' -->
 
−
* [http://warthunder.com/en/news/4657-development-ww2-chronicles-vehicles-the-pv-2-harpoon-en// [Devblog<nowiki>]</nowiki> WW2 Chronicles vehicles: The PV-2 Harpoon]
 
  
−
===Obtainable events===
+
* ''reference to the series of the vehicles;''
−
* The PV-2D Harpoon was available in 2017 World War Two: Chronicle Event, unlocked after obtaining 6 Chronicle Awards.
+
* ''links to approximate analogues of other nations and research trees.''
−
* It was made available again during the 2018 WW2 Chronicles during the "Special Objectives" section of the event, where it could be assembled as a coupon with 12 Element piece and a scheme, with the latter obtainable after completing seven tasks in air battles and a community milestone of 400,000 completed Special Objectives is obtained.
 
  
 
== External links ==
 
== External links ==
−
''Paste links to sources and external resources, such as:''
+
<!--''Paste links to sources and external resources, such as:''
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
−
* ''encyclopedia page on the aircraft;''
+
* ''encyclopedia page on the tank;''
−
* ''other literature.''
+
* ''other literature.''-->
 +
 
 +
* [http://warthunder.com/en/news/3733-development-asu-85-death-from-the-skies-en/ [Devblog<nowiki>]</nowiki> ASU-85: Death from the Skies]
 +
* [[Wikipedia:ASU-85|[Wikipedia<nowiki>]</nowiki> ASU-85]]
  
−
{{AirManufacturer Lockheed}}
+
{{USSR tank destroyers}}
−
{{USA bombers}}
 

Revision as of 22:14, 18 May 2020

Rank VI | Premium | Golden Eagles
Chinese A-5C Pack
ASU-85
ussr_asu_85.png
ASU-85
USSR flag.png USSR
IV Rank
Battle rating:
AB RB SB
6.3 6.3 6.3
Class:
Research:63 000 Specs-Card-Exp.png
Purchase:200 000 Specs-Card-Lion.png
Show in game

Description

GarageImage ASU-85.jpg


The ASU-85 is a Rank IV Russian tank destroyer with a battle rating of 6.3 (AB/RB/SB). It was introduced in Update 1.59 "Flaming Arrows". It was designed to provide the VDV (Vozdushno-Desantnye Voyska), the Soviet airborne forces, with an air-portable self-propelled gun for independent fire support and anti-tank capability in support of paratroopers during airborne operations.

General info

Survivability and armour

The front upper glacis plate, while only 45 mm thick, is quite heavily sloped and can occasionally ricochet rounds. The mantlet is also quite thick and rounded, and it can also bounce the occasional lucky shot.

However, the rest of the ASU-85 is very thinly armoured and vulnerable to even heavy machine guns. It is especially vulnerable to aircraft strafing.

Armour type:

  • Rolled homogeneous armour
  • Cast homogeneous armour (Gun mantlet)
Armour Front Sides Rear Roof
Hull 45 mm (60°) Front glacis
45 mm (37°) Lower glacis
50 mm Driver port		 6 mm 6 mm (40°) Upper
6 mm (18°) Lower 		6 mm
Superstructure 45 mm (60°) Front glacis
100 mm Gun mantlet 		13 mm (37-38°) 6 mm 13 mm Front
6 mm Rear

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 49 6 15.9 298 401 18.74 25.22
Realistic 45 6 186 210 11.7 13.21
The ASU-85 is based on the PT-76B and uses the same engine. It is somewhat heavier, however, and the mobility thus suffers comparatively. With a top speed of under 50 km/h, the ASU-85 is relatively slow for such a lightly armoured vehicle, but it is adequate enough for repositioning when needed. The ASU-85 also has a fairly slow reverse speed and only one reverse gear, inherited from the PT-76B.

It should also be noted that the ASU-85 is not amphibious, unlike the PT-76B it is based on.

Armaments

Main armament

Main article: D-70 (85 mm)
The ASU-85 is armed with the 85 mm D-70, a significantly more powerful gun compared to the wartime Soviet 85 mm ZiS S-53 and D-5T guns and comparable in capability to the German 8,8 cm L/71 guns. The mounting has only 4° of gun depression due to the restricted size of the vehicle, but has a fairly generous amount of traverse for a casemate tank destroyer. It has a relatively low rate-of-fire for its calibre, reflecting the rather cramped crew compartment of the ASU-85.

The standard shell is the BR-372 APBC shell with a lethal explosive filler. It has an excellent muzzle velocity and is accurate at long ranges. It will also easily penetrate most things that the ASU-85 may encounter. Anything that cannot be penetrated by the APBC shell will almost certainly be penetrable by the 3BK7 HEAT-FS round. Boasting 300 mm of penetration, it is capable of punching straight through a Tiger II's upper glacis and does not lose penetration over distance. However, it suffers the usual drawbacks of HEAT rounds (cannot go through obstacles like trees or fences) and is significantly less lethal than the APBC shell. The muzzle velocity is also lower, which can complicate aiming at long ranges.

85 mm D-70
Capacity Vertical
guidance 		Horizontal
guidance 		Stabilizer
39 -4°/+15° ±15° N/A
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 4.2 __.__ __.__ __.__ __.__
Realistic 4.2 __.__ __.__ __.__ __.__
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
11.2 __.__ __.__ __.__
Ammunition
Penetration statistics
Ammunition Type of
warhead 		Penetration in mm @ 0° Angle of Attack
10m 100m 500m 1000m 1500m 2000m
BR-372 APBC 230 227 214 199 186 172
OF-372 HE 11 11 11 11 11 11
3BK7 HEATFS 300 300 300 300 300 300
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-372 APBC 1040 9.3 1.2 15 85 +4° 48° 63° 71°
OF-372 HE 1010 9.7 0.1 0.3 740 +0° 79° 80° 81°
3BK7 HEATFS 925 7.2 0.1 0.1 1,590 +0° 65° 72° 75°
Ammo racks
Ammo racks on the ASU-85.
Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		5th
rack empty 		6th
rack empty 		Visual
discrepancy
39 33 (+6) 26 (+13) 19 (+20) 13 (+26) 7 (+32) 1 (+38) No

Front empty: 26 (+13)
Sides only: 33 (+6)

Machine guns

Main article: SGMT (7.62 mm)
7.62 mm SGMT
Coaxial mount
Capacity (Belt capacity) Fire rate
(shots/minute) 		Vertical
guidance 		Horizontal
guidance
2,000 (250) 600 N/A N/A

Usage in battles

The ASU-85 is a veritable glass cannon that relies on stealth and/or distance in order to survive on the battlefield. It is very vulnerable if caught in the open, especially to planes due to the very weak roof armour. The 85 mm gun is capable of handling almost any tank likely to be encountered by the ASU-85. Unfortunately, the ASU-85 lacks the mobility of its predecessor, the ASU-57, and thus has to adopt a more passive playstyle. The stock APBC round is excellent for ambushes, which tend to involve a lot of side shots where the lethality of the explosive filler is valuable, especially with the long reload time of the gun. The HEAT-FS round is better suited for medium/long-range fighting, since it does not lose penetration over distance.

The ASU-85 has a rather unorthodox method of using its smoke screen. Unlike most vehicles, which use smoke shells, singular canisters, or canister clusters, the ASU-85 uses two large drum like structures at the rear. When deployed, these will drop away, so it is relatively easy to tell from close range whether or not an ASU-85 has smoke or not, and how many it has. Due to the orientation of the drums, the smoke screen will actually form behind the tank and take about 2-3 seconds to fully envelope the assault gun.

Common opponent weakspots:

  • Tiger II (P), (H), 105 mm: Turret cheeks. HEAT-FS can penetrate the hull front.
  • Panther II: APBC can penetrate the turret face. HEAT-FS can penetrate the hull front.
  • T29: Lower glacis. There are also weakspots in the gun mantlet, but they may be hard to hit at anything but close range.
  • Caernavron: Turret ring and lower glacis.
  • A39 Tortoise: Area surrounding the hull machine gun port.
  • T95: Cupolas may be penetrated but do not trigger the explosive filler of AP rounds.
  • Jagdtiger: HEAT-FS can penetrate the hull front and superstructure.

Modules

Tier Mobility Protection Firepower
I Tracks Parts Horizontal Drive
II Suspension Brake System FPE Adjustment of Fire Airstrike
III Filters Crew Replenishment Elevation Mechanism Smoke Grenade NVD
IV Transmission Engine Rangefinder Improved Optics 3BK7

Pros and cons

Pros:

  • Excellent 85 mm gun
  • Competitive stock APBC round with explosive filler
  • Access to HEAT-FS with 300 mm of penetration
  • Tiny profile
  • Access to a coaxial machine gun
  • Access to night vision devices

Cons:

  • Slow gun elevation and traverse
  • Slow reload for an 85 mm gun
  • Lightly armoured everywhere besides the front, especially vulnerable to aircraft strafing
  • Poor reverse speed
  • Mediocre mobility, considering the light armour
  • Poor gun depression

History

Development

A new assault gun was requested by the Armed Forces sometime before 1953. Due to the success of the ASU-57, they tasked the OKB-40 design bureau headed by Nikolaj Astrov to design the vehicle. The design, designated Object 573, was ready for tests in the latter half of 1953. Constant changes and improvement was made from the span of 1956 to 1957. The design used the chassis of the PT-76 amphibious light tank design, though it did not have the same amphibious feature and had a new engine propelling it. The armament was an 85 mm D-70 gun derived from the 85 mm D-48 anti-tank gun. The design could carry 45 rounds inside and could fire a variety of rounds up to 1 km away. Secondary armament for the vehicle was a GMT or PKT coaxial machine gun. The improved design was going to accepted and enter production in 1958 as the SU-85 (despite the existence of a vehicle of the same name), but this was again delayed when the Ministry of Defense ordered an armoured roof to be installed. The design was to enter production in 1961, but by then the design was rather outdated for army forces usage. Thus, when the vehicle entered production, it was taken up by the VDV, the Soviet Airborne Forces, and renamed the ASU-85. The ASU-85 was produced from 1959 to 1966, while staying in service from 1959 all the way to 1993.

Usage

The Soviet airborne forces primarily used the ASU-85 as a light infantry support/assault gun. Advancements in air-drop techniques and the advent of helicopters made its air deployment a more viable option in the early 1960s. The Soviet Union deployed 31 ASU-85s to each of its airborne divisions in and assault gun battalion. The Soviet Union used the ASU-85 during the Soviet-Afghan War with the airborne troops stationed there.

The ASU-85 was only given out to Poland and Vietnam. Poland used the ASU-85s in the same manner as the Soviet Union, with 31 vehicles in each airborne divisions. The ASU-85 are still in service in the Vietnamese military, with interests on improving their technical performances in early 2016.[1]

The ASU-85 also serves as the genesis of other support vehicles using the derived PT-76 chassis. The most notable vehicle using a similar chassis was the ZSU-23-4 "Shilka" anti-aircraft system.

Media

Skin and Camouflages for the ASU-85 in Warthunder Live.

The ASU-85 in Soviet Airborne service

References

Citations

  1. ↑ Fisher, Richard D., Jr. "DSA 2016: Vietnam May Update Soviet Era ASU-85s." IHS Jane's 360, 21 Apr. 2016. Web. 23 Sept. 2016.

Bibliography

See also

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.

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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