P-39K-1 (USSR)

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▂P-39K-1 Airacobra
p-39k_1.png
Cockpit
AB
RB
SB
General characteristics
Brief
Detailed
3.0/3.0/3.7BR
FighterClass
1 personCrew
3.5 tTake-off weight
Flight characteristics
Allison V-1710-63Engine
InlineType
waterCooling system
Speed of destruction
886 km/hStructural
322 km/hGear
Offensive armament
37 mm M4 cannonWeapon 1
30 roundsAmmunition
146 shots/minFire rate
2 x 12.7 mm M2 Browning machine gunWeapon 2
400 roundsAmmunition
750 shots/minFire rate
4 x 7.62 mm Browning machine gunWeapon 3
3 000 roundsAmmunition
1 001 shots/minFire rate
Economy
1 000 Ge icon.pngPurchase
Sl icon.png1 940/3 760/1 310Repair
8 100 Sl icon.pngCrew training
54 000 Sl icon.pngExperts
250 Ge icon.pngAces
× (124 + 100 Talisman.png) % Rp icon.pngReward for battle
This page is about the premium Russian fighter ▂P-39K-1 Airacobra. For other uses, see P-39 (Family).

Description

GarageImage P-39K-1 USSR.jpg


The ▂P-39K-1 Airacobra is a premium rank II Soviet fighter with a battle rating of 3.7 (AB) and 3.0 (RB/SB). It has been in the game since the start of the Open Beta Test prior to Update 1.27. It costs 1,000 Golden Eagles.

General info

Flight performance

Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.

Characteristics
Stock
Max Speed
(km/h at 3,900 m)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
563 546 21.2 22.0 8.7 8.7 300
Upgraded
Max Speed
(km/h at 3,900 m)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
624 590 19.5 20.0 18.8 12.9 300

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X
Limits
Wing-break speed
(km/h)
Gear limit
(km/h)
Combat flaps
(km/h)
Max Static G
+ -
420 ~12 ~9
Optimal velocities
Ailerons
(km/h)
Rudder
(km/h)
Elevators
(km/h)
Radiator
(km/h)
< 360 < 380 < 450 > 312
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
4,000 m 1,150 hp 1,479 hp

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.

Armaments

Offensive armament

The P-39K-1 (USSR) is armed with:

  • 1 x 37 mm M4 cannon, nose-mounted (30 rpg)
  • 2 x 12.7 mm Browning M2 machine guns, nose-mounted (200 rpg = 400 total)
  • 4 x 7.62 mm Browning machine guns, wing-mounted (500 rpg outer + 1,000 rpg inner = 3,000 total)

Usage in battles

Describe the tactics of playing in the 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).

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Controllable Controllable
Not auto controlled
Controllable
Auto control available
Controllable
Auto control available
Separate Not controllable
1 gear
Not controllable

Modules

Tier Flight performance Survivability Weaponry
I Fuselage repair Radiator Offensive 12 mm Offensive 7 mm
II Compressor Airframe New 12 mm MGs New 7 mm MGs
III Wings repair Engine
IV Engine injection Cover New 37 mm cannons

Pros and cons

Pros:

  • Good fire power
  • Well armoured
  • Cockpit has good visibility
  • Powerful engine

Cons:

  • M4-37 mm isn't very accurate
  • Has no any payload
  • The engine is centrally mounted, taking engine damage while being chased is common

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: 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).

In-game description

In developing this aircraft, the Bell designers came up against two global problems. The first was that the P-39 was intended for export, and there was no way around this. The impossibility of fitting a turbo compressor to the low-altitude Allison engine (for fully explicable reasons) was one reason why the aircraft was never able to achieve a worthy place in the US air forces. The nature of air combat, both in Europe and the Far East, prevented the P-39 from making use of its advantages, while it was not possible to rectify its main drawback - its poor high-speed performance - because of the ban on exporting turbo compressors outside the USA.

The second global problem was connected to a technical failure in the production of the 20 mm Hispano-Suiza AN-M1/M2C cannon by the Bendix company. This was the first problem the Bell specialists tried to tackle. The Bell specialists initially tried to solve this problem themselves. The virtually unusable 20 mm cannon was replaced by the old, heavy but more reliable Colt-Browning M4. The cannon had a lot of faults, mainly its low rate of fire and extremely inadequate stock of ammunition - only 30 shells. On the other hand, in spite of its weight, it could easily be fitted in the front part of the Cobra's fuselage; furthermore, it has one incomparable advantage over the Bendix product - it actually fired.

It must be noted that the M1 cannon was not always fitted onto the first series of the P-39, you could find the M4 here and there. Only the Model 26 (P-39G) carried the M4 as standard equipment. However, it did not go into production, but became the founder of a whole number of virtually identical series from P-39K to P-39Q. The main units were borrowed from the quite promising P-39D-2 series.

The P39K differed from the earlier models in its engine, the Allison V-1710-63, which was successfully tested in that same D-2. It was fitted with an afterburner system. It developed a nominal power of 1352 h.p. and 1550 h.p. in WEP (War Emergency Power) mode. The K series was the only one fitted with such an engine along with a three-bladed Aeroprop propeller. It was a full 360 kg heavier than the D-2, although externally, apart from the propeller, there was no visible difference. In fact, the extra weight was due to additional armor plating, which was used beginning with the K and on all subsequent series.

Altogether, by August 1941, 210 examples of the series K-1-BE, K-2-BE and K-5-BE, which were virtually identical, were built. Forty of them were sent to the USSR.

Notable pilots

  • Alexander Pokryshkin flew the ▂P-39K-1 Airacobra during the battle of Kuban starting his 47 kill-streak with the P-39 series lend-lease aircraft.

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 aircraft;
  • links to approximate analogues of other nations and research trees.

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • encyclopedia page on the aircraft;
  • other literature.


USSR fighters
I-15  I-15 WR · I-15 M-22 · I-15R · I-15bis
I-153  I-153 M-62 Chaika · Zhukovsky's I-153-M62 · I-153P Chaika
I-16  I-16 type 5 Ishak · I-16 type 10 Ishak · I-16 type 18 Ishak · I-16 type 24 Ishak · I-16 type 27 Ishak · I-16 type 28 Ishak · I-180S
I-185  I-185 (M-71) · I-185 (M-82)
MiG-3  MiG-3-15 · MiG-3-15 (BK) · MiG-3-34
LaGG  I-301 · LaGG-3-4 · LaGG-3-8 · LaGG-3-11 · LaGG-3-23 · LaGG-3-34 · LaGG-3-35 · LaGG-3-66
La  La-5 · La-5F · La-5FN · La-7 · Dolgushin's La-7 · La-7B-20 · La-9 · La-11
Yak-1/7  Yak-1 · Yak-1B · Yak-7B
Yak-3  Yak-3 · Yak-3P · Yak-3T · Yak-3U · Yak-3 (VK-107)
Yak-9  Yak-9 · Yak-9B · Golovachev's Yak-9M · Yak-9T · Yak-9K · Yak-9U · Yak-9UT · Yak-9P
Other countries  ▂P-40E-1 Kittyhawk · ▂P-47D-27 Thunderbolt · ▂Hurricane Mk IIB · ▂Fw 190 D-9 · ▂Spitfire Mk IXc
P-39  ▂P-39K-1 Airacobra · ▂Pokryshkin's P-39N-0 Airacobra · ▂P-39Q-15 Airacobra
P-63  ▂P-63A-5 Kingcobra · ▂P-63A-10 Kingcobra · ▂P-63C-5 Kingcobra

USSR premium aircraft
I rank  MBR-2-M-34 · TB-3M-17-32 · Zhukovsky's I-153-M62 · LaGG-3-4 · LaGG-3-23 · I-301 · I-29 · Tandem MAI · ▂PBY-5a Catalina
  ▂Hampden TB Mk I UTK-1
II rank  LaGG-3-34 · I-153P Chaika · I-16 type 28 Ishak · ▂P-40E-1 Kittyhawk · ▂Hurricane Mk IIB · ▂P-39K-1 Airacobra · I-180S
III rank  Yak-3T · Golovachev's Yak-9M · IL-2M "Avenger" · Pe-2-205 Peshka · Tu-2 · ▂Pokryshkin's P-39N-0 Airacobra · ▂P-39Q-15 Airacobra
  ▂P-63A-5 Kingcobra · ▂P-47D-27 Thunderbolt · ▂B-25J-30 Mitchell
IV rank  Dolgushin's La-7 · La-11 · Yak-3 (VK-107) · Be-6 · ▂P-63A-10 Kingcobra · ▂P-63C-5 Kingcobra · ▂Spitfire Mk IXc · ▂Fw 190 D-9
V rank  MiG-15bis ISH · MiG-17AS