Ki-61-I hei

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Ki-61-I hei Hien
ki_61_1a_hei.png
AB
RB
SB
General characteristics
Brief
Detailed
4.0/5.0/4.7BR
FighterClass
1 personCrew
2.6 tEmpty weight
3.7 tTake-off weight
Flight characteristics
10 300 mCeiling
sec21.8/21.8/21.0Turn Time
168 km/hStalling speed
Kawasaki Ha-40Engine
InlineType
waterCooling system
Speed of destruction
850 km/hStructural
330 km/hGear
Offensive armament
2 х 20 mm MG 151 cannonWeapon 1
300 roundsAmmunition
750 shots/minFire rate
2 х 12.7 mm Ho-103 machine gunWeapon 2
800 roundsAmmunition
900 shots/minFire rate
Suspended armament
2 х 50 kg Army Type 94 GPHE bombSetup 1
2 х 100 kg Army Type 94 GPHE bombSetup 2
2 х 250 kg Army Type 92 GPHE bombSetup 3
Economy
40 000 Rp icon.pngResearch
150 000 Sl icon.pngPurchase
Sl icon.png23 000 / 29 256/5 350 / 6 805/6 700 / 8 522Repair
43 000 Sl icon.pngCrew training
150 000 Sl icon.pngExperts
700 Ge icon.pngAces
x 1.54 Rp icon.pngReward for battle
This page is about the Japanese fighter Ki-61-I hei. For other uses, see Ki-61 (Family).

Description

GarageImage Ki-61-I hei.jpg


The Ki-61-I hei Hien is a rank III Japanese fighter with a battle rating of 4.7 (AB), 5.0 (RB), and 4.0 (SB). It has been in the game since the start of the Open Beta Test prior to Update 1.29.

The "Hei" modification of the Ki-61 still retains the above average manoeuvrability, common to the Japanese aeroplane. However, the Hei Hien has some faults - its top speed is only 20 km/h higher than that of the early "Zeroes". Its climb rate is enough for its role, and it retains energy fairly well. While its acceleration holds itself pretty well, Its top speeds are not on par with other aircraft making it similar to the German Bf 109 G-6. Its guns are also a hit and miss - it is equipped with the deadly MG 151 20 mm cannons, and it can also equip German belts with minengeshcoß shells. However, the Japanese 12.7s are lower velocity and a bit on the weak side. The Hien's ammo count is average, albeit not as much as American aircraft. One thing to be noted is that the landing flaps are very effective and will slow you down even if you use WEP. That said, use them when you are trying to make somebody on your six overshoot you.

The Hei Hien's armament is flexible, as it is able to equip multiple kinds of bombs. With accuracy and shot placement, the large ammunition pool can work to your advantage. Equipping the air targets belt for the MG 151 cannons is the best choice for air combat. It features a high degree of minengeschoß shells, specially made German HE shells with thin walls. There is no 20 mm cannon shell in the game with more high explosive than the minengeschoß. As for the 12.7s, Stealth or Air target belts are your best bet. The best choice of bomb loadout is the 250 kg bombs due to the lack of precision needed. A pilot can miss a direct hit on a pillbox and still destroy it.

The Ki-61's instrument panel.

General info

Flight Performance

Characteristics
Stock
Max Speed
(km/h at 6,000 m)
Max altitude
(meters)
Turn time
(seconds)
Rate of climb
(meters/second)
Take-off run
(meters)
AB RB AB RB AB RB
566 554 10 300 22.1 22.5 7.1 7.1 380
Upgraded
Max Speed
(km/h at 6,000 m)
Max altitude (meters) Turn time (seconds) Rate of climb
(meters/second)
Take-off run (meters)
AB RB AB RB AB RB
 ?  ? 10 300  ??.?  ??.?  ??.?  ??.? 380

Details

Features
Combat flap Take-off flap Landing flap Air brakes Arrestor gear
X X
Limits
Wing-break speed
(km/h)
Gear limit
(km/h)
Combat flap
(km/h)
Max Static G
+ -
850 330 340 ~12.5 ~6
Optimal velocities
Ailerons
(km/h)
Rudder
(km/h)
Elevators
(km/h)
Radiator
(km/h)
< 360 < 350 < 460 > 270
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
3,450 m 1,100 hp 1,232 hp

Survivability and armour

  • 13 mm Steel plate behind the pilot

Armaments

Offensive armament

The Ki-61-I hei is armed with:

  • 2 x 20 mm MG 151 cannon, wing-mounted (150 rpg = 300 total)
  • 2 x 12.7 mm Ho-103 machine gun, nose-mounted (400 rpg = 800 total)

Suspended armament

      Main article: Bombs

The Ki-61-I hei can be outfitted with the following ordinance:

  • Without load
  • 2 x 50 kg Army Type 94 GPHE bombs (100 kg total)
  • 2 x 100 kg Army Type 94 GPHE bombs (200 kg total)
  • 2 x 250 kg Army Type 92 GPHE bombs (500 kg total)

Usage in the battles

Instead of simply turn fighting the Ki-61 is very good at energy fighting, or "boom and zoom". Once at a high altitude the Hien pilot may choose to dive lower to attack an enemy. If the enemy is not destroyed on the first pass, it is recommended to climb sharply and gain altitude. By doing this, the Hien sets itself up for another attack while not being in the range of the enemy's guns.

The Hei Hien is best utilized as a multi-purpose fighter. Although proficient at energy fighting, the Ki-61 is also generally good at standard manoeuvres. It may lose turn fights with some enemy aircraft like the Spitfire Mk Vb/trop, but nonetheless it can still be used in multiple roles. The Hien is your standard "jack of all trades". It's not incredibly good at anything it does but is instead even across the board. This allows the Hien pilot to choose what role he or she wants to play in the battle. One could play the reserved, high flying energy fighter, or the aggressive low flying dog-fighter. The Ki-61 allows these choices.

If caught in a sticky situation, the Hien pilot may choose to do several things. Depending on your altitude, executing rolling scissors or an overshoot may be a valid tactic. try to make the enemy pilot feel pressured to disengage. Depending on the enemy's aircraft, use your speed to your advantage and try to get away. The surest tactic would be communicating with teammates to ensure your assailant's death. Once tailed, the Hien pilot can "set up" an enemy by nosing up about 70 degrees so the entirety of the enemy plane is shown. At this stage, ideally, your teammate is arriving to save the day. In realistic battles, if your team is made up of A6Ms it may also be beneficial to fly to them and start turn fighting.

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Controllable Not controllable Not controllable Not controllable Separate Not controllable Not controllable

Modules

Tier Flight performance Survivability Weaponry
I Fuselage Repair Radiator Offensive 12 mm 7 in (mod20)
II Compressor Airframe New 12 mm MGs 10 in (mod24)
III Wings Repair Engine Offensive 20 mm 12 in (mod30)
IV Engine Injection Cover New 20 mm Cannons
  • Unlocking the "Offensive 20 mm" module should be a Hien pilot's first concern. The stock MG 151 belts aren't very good in a general sense, but the air targets belt is. The "New 12.7 mm MGs" and "New 20 mm cannons" modules can also be helpful as they allow for longer periods of firing. Unlocking the bomb modules can help on most maps, no matter the game mode. Destroying some extra ground units can't hurt a team's victory chances. After researching the 20 mm belts try to unlock the performance modules.

Pros and cons

Pros:

  • Above average manoeuvrability
  • Good diving capabilities
  • Equipped with German MG 151 cannons, firing minengeshcoß shells
  • Self-sealing fuel tanks
  • Relatively good high altitude capabilities (compared to other Japanese tier III planes)
  • High ammunition count
  • Above average energy retention
  • Able to equip bombs

Cons:

  • Little armour
  • Generally slow
  • Wobbles in unexpected turns
  • The aircraft's battle rating is high for its performance
  • Vulnerable to fires

History

The Ki-61 was first put into service in with a special training unit, the 23rd Chutai, and entered combat for first time in early 1943, during the New Guinea campaign. The Hiens were sent into a difficult theatre where jungles and adverse weather conditions coupled with a lack of spare parts quickly made short work of the Japanese fighters. Nonetheless, the Hien proved to be a worthy adversary and it even outclassed the P-40. Towards the end of the war, Ki-61s were relied upon heavily to defend the Japanese mainland from B-29 attacks. Some pilots used ramming attacks to down the Superfortresses. Soon, entire "special attack squadrons" were formed for the sole purpose of ramming B-29s.

The Ki-61-I hei model utilized imported German Mauser MG 151 20mm cannons, placed in the wings. 800 of these weapons along with ammunition were sent to Japan via submarine in August of 1943.

Ingame Description

A lightweight multipurpose fighter plane, the Ki-61 Hien (“Swallow”) was well-armed and well-armoured.

From the very beginning, the makers of the Ki-61 concerned themselves with protecting the fuel tanks and the pilot. The light multipurpose fighter was an effective answer to “hit-and-run” fighters, thanks to its survivability and high diving speed.

The Ki-61 had a Kawasaki Ha-40 liquid-cooled inverted V12 engine, a licensed copy of the DB 601A, capable of 1175 hp.

A prototype was ready in 1941, and by the next year the first production models were manufactured and the Ki-61 entered service.

To strengthen armament in the Ki-61-I, instead wing-mounted machine guns of the previous models Ki-61-1-Ko and -Otsu was established by German's 20-mm cannons MG 151/20, which in the amount of 800 units in August 1943 were taken to Japan by submarines.

All in all, 3,078 Ki-61 fighters (of various types) were produced.

Media

An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

Read 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.

Sources

Paste links to sources and external resources, such as:

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


Japan fighters
A5M  A5M4 · Hagiri's A5M4
A6M  A6M2 mod. 11 · A6M2 Reisen · A6M3 Reisen · A6M3 Reisen mod. 22 · A6M3 Reisen mod. 22Ko · A6M5 Reisen · A6M5 Ko Reisen · A6M5 otsu
A7M  A7M1 Reppu (NK9H) · A7M2 Reppu
J2M  J2M2 Raiden · J2M3 Raiden · J2M4 Kai Raiden · J2M5 Raiden · J2M5 (30 mm)
N1K  N1K1-Ja · N1K2-J Shiden-Kai · N1K2-Ja Shiden-Kai
J7W  J7W1 Shinden
Hydroplanes  F1M2 · A6M2-N · N1K1 Kyofu
Ki-10  Ki-10-I · Ki-10-I C · Ki-10-II · Ki-10-II C
Ki-27  Ki-27 otsu
Ki-43  Ki-43-I Hayabusa · Ki-43-II Hayabusa · Ki-43-III otsu Hayabusa
Ki-44  Ki-44-I Shoki · Ki-44-II otsu Shoki · Ki-44-II hei Shoki
Ki-61  Ki-61-I ko Hien · Ki-61-I otsu Hien · Ki-61-I hei Hien · Ki-61-I tei Hien · Ki-61-II
Ki-84  Ki-84 ko Hayate · Ki-84 otsu Hayate · Ki-84 hei Hayate
Ki-87  Ki-87
Ki-94  Ki-94-II
Ki-100  Ki-100 · Ki-100-II
Other countries  A7He1 · ▅F4U-1A Corsair · ▅Bf 109 E-7 · ▅Fw 190 A-5