Ystervark

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Rank VI USSR | Premium | Golden Eagles
Su-25K Pack
uk_ystervark_spaa.png
GarageImage Ystervark.jpg
Ystervark
AB RB SB
4.3 4.0 4.0
Class:
Research:18 000 Specs-Card-Exp.png
Purchase:47 000 Specs-Card-Lion.png
Show in game

Description

The Ystervark is a rank III British SPAA with a battle rating of 4.3 (AB) and 4.0 (RB/SB). It was introduced in Update "Ground Breaking".

General info

Survivability and armour

Armourfront / side / back
Hull4 / 4 / 4
Turret0 / 0 / 0
Crew3 people
Visibility107 %

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

Speedforward / back
AB98 / 15 km/h
RB and SB90 / 13 km/h
Number of gears5 forward
1 back
Weight6.0 t
Engine power
AB237 hp
RB and SB124 hp
Power-to-weight ratio
AB39.5 hp/t
RB and SB20.7 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 98 15 6 _,___ 237 __.__ 39.5
Realistic 90 13 _,___ 124 __.__ 20.67

Modifications and economy

Repair costBasic → Reference
AB1 265 → 1 640 Sl icon.png
RB1 022 → 1 325 Sl icon.png
SB1 492 → 1 935 Sl icon.png
Total cost of modifications19 810 Rp icon.png
32 500 Sl icon.png
Talisman cost980 Ge icon.png
Crew training13 000 Sl icon.png
Experts47 000 Sl icon.png
Aces330 Ge icon.png
Research Aces280 000 Rp icon.png
Reward for battleAB / RB / SB
70 / 90 / 140 % Sl icon.png
136 / 136 / 136 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new wheels.png
Tires
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
95 Ge icon.png
Mods new car suspension.png
Suspension
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
85 Ge icon.png
Mods new tank break.png
Brake System
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
85 Ge icon.png
Mods new tank filter.png
Filters
Research:
1 700 Rp icon.png
Cost:
2 800 Sl icon.png
160 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
2 100 Rp icon.png
Cost:
3 400 Sl icon.png
195 Ge icon.png
Mods new tank engine.png
Engine
Research:
2 100 Rp icon.png
Cost:
3 400 Sl icon.png
195 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
95 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
85 Ge icon.png
Mods tank reinforcement uk.png
Crew Replenishment
Research:
1 700 Rp icon.png
Cost:
2 800 Sl icon.png
160 Ge icon.png
Mods tank ammo.png
20mm_Oerlikon_HE_ammo_pack
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
95 Ge icon.png
Mod arrow 0.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
990 Rp icon.png
Cost:
1 600 Sl icon.png
95 Ge icon.png
Mods tank ammo.png
20mm_Oerlikon_AP_ammo_pack
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
85 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
890 Rp icon.png
Cost:
1 500 Sl icon.png
85 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
1 700 Rp icon.png
Cost:
2 800 Sl icon.png
160 Ge icon.png
Mods art support.png
Artillery Support
Research:
2 100 Rp icon.png
Cost:
3 400 Sl icon.png
195 Ge icon.png

Armaments

Main armament

20 mm GAI C01 cannon
Ammunition600 rounds
Belt capacity75 rounds
Reloadbasic crew → aces
9.1 → 7.0 s
Fire rate997 shots/min
Vertical guidance-7° / 83°
Main article: GAI C01 (20 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.

20 mm GAI C01 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity (Belt) Fire rate Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 600 (75) 996 -7°/+83° ±180° N/A __._ __._ __._ __._ __._ _.__ _.__ _.__ _.__
Realistic __._ __._ __._ __._ __._

Ammunition

  • Default: HVAP-T · HEF-I
  • M594: HEF-I · HEF-I · HVAP-T
  • M601: HVAP-T · HVAP-T · HEF-I
Penetration statistics
Belt Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default __ __ __ __ __ __
M594 __ __ __ __ __ __
M601 __ __ __ __ __ __

Ammo racks

Ammo racks of the Ystervark
Full
ammo
Ammo
type
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
8
600
Magazines
Rounds
(+1)
525 (+75)
(+2)
450 (+150)
(+3)
375 (+225)
(+4)
300 (+300)
5th
rack empty
6th
rack empty
7th
rack empty
8th
rack empty
Visual
discrepancy
(+5)
225 (+375)
(+6)
150 (+450)
(+7)
75 (+525)
(+8)
(+600)
No

Note:

  • Ammunition is divided into 8 magazines of 75 rounds.

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:

  • Fast 900+ rounds/min firerate allows it easily score hits with a burst on an aircraft's flight path
  • Small profile makes it very easy to conceal itself
  • High top speed of 90 km/h means great agility
  • Lack of armour means conventional cannons will struggle to one-shot it if poorly aimed
  • 75-round belt allows it to confidentally engage targets without worrying too much about reloading

Cons:

  • The driving compartment can obstruct the autocannon's gun depression which might be sometimes fatal
  • No armour protection, making it highly vulnerable to MG bullets, shrapnel, and even ramming from tanks and aircraft
  • Is wheeled, meaning its mobility will be significantly worsened on bad road conditions
  • Reverse speed of -13 km/h can be inadequate, especially when comparing to its counterpart R3 T20
  • Gunsight is position far above the gun, which can be awkward to aim in simulator
  • Complex appearance can make it hard to place bushes, decorators, and decals

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

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


Britain anti-aircraft vehicles
Crusader AA  Crusader AA Mk I · Crusader AA Mk II
Wheeled  Staghound AA · AEC AA
Radar SPAAG  Chieftain Marksman
Missile SPAA  Stormer HVM
Other  Light AA Mk I · Falcon
Canada  Skink
South Africa  Ystervark · Bosvark · ZA-35