Ki-84 ko Hayate

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General info

The Ki-84 ko Hayate in the garage

The Ki-84 ko Hayate is a Rank IV Japanese fighter with a battle rating of 4.7 (AB), 5.3 (RB), and 5.0 (SB). It was introduced in Update 1.37.

The main purpose, usage and tactics recommendations

General play style

The Ki-84 ko is the first truly fast airplane in the Japanese tech tree. Equipped with a 2000 HP engine, this aircraft's performance is on par with that of the legendary P-51 Mustang. However, unlike the Mustang, the Ki-84 has slightly better turning characteristics and climbs better thanks to its lighter weight. This being said, the Ki-84 also has good energy retention, so try to make your opponent bleed energy to have an edge. The Ki-84 was also one of the first mass produced Japanese aircraft to come equipped with armored glass, armor plates and self sealing fuel tanks, but the armor is still lackluster, compared to its Russian and American counterparts. However, as always, not everything is perfect. The aircraft's controls stiffer significantly at speeds above 630 KPH, making even slight adjustments to heading impossible. Thus, at higher speeds its elevator suffers. The Ki-84 also suffers a lot when no modules are researched, making the aircraft almost useless until modifications are unlocked.

This aircraft should be played as it appears: a lightweight Japanese version of the Mustang, retaining good engine performance, decent climbrate, high diving performance and relatively lackluster armament.

Vehicle characteristics

Tactics

Specific enemies worth noting

Counter-tactics

Pros and cons

Pros:

  • Incredible rate of climb
  • Good top speed
  • Great acceleration
  • Good performance at altitude
  • Much better dive speed than the earlier Ki-61 series
  • Good maneuverability at lower speeds
  • Good energy retention

Cons:

  • Lower maximum dive speed than its American counterparts
  • Unspectacular weaponry
  • Somewhat vulnerable to damage
  • Elevator locks up at high speeds

Specifications

Armaments

Offensive armaments

  • 2 x 20 mm Ho-5 cannons, wing-mounted (150 rpg = 300 total)
  • 2 x 12.7 mm Ho-103 machine guns, nose-mounted (350 rpg = 700 total)


Payloads

  • Without load
  • 2 x 50 kg Army Type 94 GPHE bombs
  • 2 x 250 kg Navy Type Number 25 Model 2 bombs

Armour

  • 70 mm Bulletproof glass in cockpit front.
  • 6-13 mm Steel plate in pilot's seat.

Engine & mobility

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Engine

Name: Nakajima Homare 21 18-cylinder radial
  • Cooling type: Air
  • Max power: ____ hp (Stock), ____ hp (Upgraded)
  • Takeoff power: ____ hp (Stock), ____ hp (Upgraded)
  • Mass: 810 kg
Name: Nakajima Homare 21 18-cylinder radial
  • Cooling type: Air
  • Max power: ____ hp (Stock), ____ hp (Upgraded)
  • Takeoff power: ____ hp (Stock), ____ hp (Upgraded)
  • Mass: 810 kg
Name: Nakajima Homare 21 18-cylinder radial
  • Cooling type: Air
  • Max power: ____ hp (Stock), ____ hp (Upgraded)
  • Takeoff power: ____ hp (Stock), ____ hp (Upgraded)
  • Mass: 810 kg

Stats

Stock
  • Max speed: 652 km/h
    • at height: 6,000 m
  • Max altitude: 13,000 m
  • Turn Time: 20.8 s
  • Rate of Climb: 14.2 m/s
  • Takeoff run: 421 m

Upgraded

  • Max speed: 692 km/h
    • at height: 6,000 m
  • Max altitude: 13,000 m
  • Turn Time: 19.6 s
  • Rate of Climb: 17.5 m/s
  • Takeoff run: 421 m
Stock
  • Max speed: ___ km/h
    • at height: 6,000 m
  • Max altitude: 13,000 m
  • Turn Time: __._ s
  • Rate of Climb: _._ m/s
  • Takeoff run: 421 m

Upgraded

  • Max speed: ___ km/h
    • at height: 6,000 m
  • Max altitude: 13,000 m
  • Turn Time: __._ s
  • Rate of Climb: _._ m/s
  • Takeoff run: 421 m
Stock
  • Max speed: ___ km/h
    • at height: 6,000 m
  • Max altitude: 13,000 m
  • Turn Time: __._ s
  • Rate of Climb: _._ m/s
  • Takeoff run: 421 m

Upgraded

  • Max speed: ___ km/h
    • at height: 6,000 m
  • Max altitude: 13,000 m
  • Turn Time: __._ s
  • Rate of Climb: _._ m/s
  • Takeoff run: 421 m

Performance

Warning this is still in the test phase and is probably incorrect. Take information with a grain of salt (data taken from 1.55)




0
1
2
3
4
5
6
7
8
9
10
0
0.44
0.88
1.32
1.76
2.2
Horsepower in 1000hp
Altitude in 1000m

Supercharger Stage #1: 100%

Supercharger Stage #1: WEP

Supercharger Stage #2: 100%

Supercharger Stage #2: WEP



Modules and improvements

History of creation and combat usage

Screenshots and fan art

Skins and Camouflage for the Ki-84 ko Hayate at Warthunder Live. Do note that the search term #ki84 is a broad term used for all Ki-84 Hayates ingame. So be sure to check the description if the skin is applicable to the selected aircraft. Another search term, #ki84ko brings in more specific results for the current aircraft.

Additional information (links)

References


Horsepower graphSidebar

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ki_84_ko.png

Icon-country-jap.png Ki-84 ko Hayate
Nation Japan
Type Fighter
Fighting style Energy Fighting
Turn Fighting

   Metric✓       Imperial   

   Metric       Imperial✓   

Characteristics
Empty Weight ~2835 kg
Empty Weight + fuel ~3385 kg
Takeoff Weight ~3711 kg
Wing Area ~20 m²
# Flap Positions 3
Number of Engines 1
Air Breaks no
Arrestor Gear no
Statistics
Power per Engine 1765 hp
WEP Duration 36.67 minutes
top speed ~692.28 kph at 6000 m
Climb Rate ~17.90 m/s
Optimal climb velocity ~297.69 kph
Turn Time ~19.40 s
Wing loading (Empty) ~144.00 kg/m²
Characteristics
Empty Weight ~6250 lb
Empty Weight + fuel ~7463 lb
Takeoff Weight ~8180 lb
Wing Area ~211 ft²
# Flap Positions 3
Number of Engines 1
Air Breaks no
Arrestor Gear no
Statistics
Power per Engine 1765 hp
WEP Duration 36.67 minutes
Top speed ~430.16 mph at 19685 m
Climb Rate 58.73 ft/s
Optimal climb velocity ~184.98 mph
Turn Time 19.40 s
Wing loading (Empty) ~29.49 lb/ft²
Main Weapons
2 x Ho-5 150 RPG
2 x Ho-103 350 RPG
Payload Option 1
Nothing Loaded Clean Plane
Payload Option 2
2 x 💣 50 kg Type 94 mod.5 Bomb
Payload Option 3
2 x 💣 250 kg No.25 Model 2 GP(SAP) Bomb
Limits
Max Speed limit 790 kph
Gear lmit 350 kph
Combat Flaps 500 kph
Max static +G's ~16
Max static -G's ~12
Optimal Velocities
Ailerons <450 kph
Rudder <450 kph
Elevators <460 kph
Radiator >240 kph
Limits
Max Speed limit 491 mph
Gear lmit 217 mph
Combat Flaps 311 mph
Max static +G's ~16
Max static -G's ~12
Optimal Velocities
Ailerons <280 mph
Rudder <280 mph
Elevators <286 mph
Radiator >149 mph
Manual Control
Mixer is controllable
Pitch is controllable
has automatic pitch
Radiator (water) is controllable
Radiator (oil) is not controllable
Oil and water uses combined radiator control
Supercharger is controllable
Turbocharger is not controllable
Compressor settings 1
Optimal Altitude
2000 m
6562 ft
100% Enginepower 1875 hp
WEP Enginepower 2100 hp
Compressor settings 2
Optimal Altitude
5300 m
17388 ft
100% Enginepower 1675 hp
WEP Enginepower 1876 hp
* Warning this is still in the test phase and can be incorrect. Take information with a grain of salt (data from 1.57 initial release)