Difference between revisions of "Ki-84 ko"

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{{Specs-Card|code=ki_84_ko}}
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{{About
 +
| about = Japanese fighter '''{{PAGENAME}}'''
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| usage = other versions
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| link = Ki-84 (Family)
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}}
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{{Specs-Card
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|code=ki_84_ko
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|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
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}}
  
 
== Description ==
 
== Description ==
−
''In the description, the first part needs to 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 screenshot of the vehicle. If the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle it is talking about.''
+
<!-- ''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.'' -->
 +
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Japanese fighter {{Battle-rating}}. It was introduced in [[Update 1.37]].
  
 
== General info ==
 
== General info ==
−
=== Flight Performance ===
+
=== Flight performance ===
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''Describe how the aircraft behaves in the air. Maximum speed, maneuverability, speed and allowable loads - these are the most important characteristics of the vehicle.''
+
{{Specs-Avia-Flight}}
 +
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
 +
The Ki-84 ko is the first truly fast aeroplane in the Japanese tech tree. Equipped with a 2,000 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 climb rate 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 armoured glass, armour plates and self-sealing fuel tanks, but the armour is still lacklustre compared to its Soviet and American counterparts. However, as always, not everything is perfect. The aircraft controls stiffen significantly at speeds above 630 km/h, 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 climb-rate, high diving performance, with solid armament.
 +
 
 +
{| class="wikitable" style="text-align:center" width="70%"
 +
! rowspan="2" | Characteristics
 +
! colspan="2" | Max Speed<br>(km/h at 6,000 m)
 +
! rowspan="2" | Max altitude<br>(metres)
 +
! colspan="2" | Turn time<br>(seconds)
 +
! colspan="2" | Rate of climb<br>(metres/second)
 +
! rowspan="2" | Take-off run<br>(metres)
 +
|-
 +
! AB !! RB !! AB !! RB !! AB !! RB
 +
|-
 +
! Stock
 +
| 669 || 650 || rowspan="2" | {{Specs|ceiling}} || 20.2 || 20.8 || 14.1 || 14.1 || rowspan="2" | 421
 +
|-
 +
! Upgraded
 +
| 718 || 692 || 19.1 || 19.4 || 22.6 || 17.9
 +
|-
 +
|}
 +
 
 +
==== Details ====
 +
{| class="wikitable" style="text-align:center" width="50%"
 +
|-
 +
! colspan="5" | Features
 +
|-
 +
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
 +
|-
 +
| ✓ || ✓ || ✓ || X || X    <!-- ✓ -->
 +
|-
 +
|}
 +
 
 +
{| class="wikitable" style="text-align:center" width="50%"
 +
|-
 +
! colspan="7" | Limits
 +
|-
 +
! rowspan="2" | Wings (km/h)
 +
! rowspan="2" | Gear (km/h)
 +
! colspan="3" | Flaps (km/h)
 +
! colspan="2" | Max Static G
 +
|-
 +
! Combat !! Take-off !! Landing !! + !! -
 +
|-
 +
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 470 || 431 || 280 || ~13 || ~10
 +
|-
 +
|}
 +
 
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! colspan="4" | Optimal velocities (km/h)
 +
|-
 +
! Ailerons !! Rudder !! Elevators !! Radiator
 +
|-
 +
| < 400 || < 480 || < 430 || > 324
 +
|-
 +
|}
 +
 
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! Compressor
 +
! Optimal altitude
 +
! 100% Engine power
 +
! WEP Engine power
 +
|-
 +
! Setting 1
 +
| 2,000 m || 1,875 hp || 2,100 hp
 +
|-
 +
! Setting 2
 +
| 5,300 m || 1,675 hp || 1,876 hp
 +
|-
 +
|}
  
 
=== Survivability and armour ===
 
=== 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. Describe the armour, if there is any, also mention the vulnerability of other critical aircraft systems.''
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{{Specs-Avia-Armour}}
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<!-- ''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.'' -->
 +
 
 +
* 70 mm bulletproof glass in front of pilot
 +
* 13 mm steel head-rest
 +
* 13 mm steel plate behind pilot
 +
* Self-sealing fuel tanks (1 under pilot's feet, 1 in each wingroot)
 +
 
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
 +
 
 +
== Armaments ==
 +
{{Specs-Avia-Armaments}}
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=== Offensive armament ===
 +
{{Specs-Avia-Offensive}}
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<!-- ''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.'' -->
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{{main|Ho-5 (20 mm)|Ho-103 (12.7 mm)}}
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 +
The '''''{{PAGENAME}}''''' is armed with:
 +
 
 +
* 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)
 +
 
 +
=== Suspended armament ===
 +
{{Specs-Avia-Suspended}}
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<!-- ''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.'' -->
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{{main|Army Type 94 GPHE (50 kg)|Army Type 92 GPHE (250 kg)}}
 +
 
 +
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 +
 
 +
* Without load
 +
* 2 x 50 kg Army Type 94 GPHE bombs (100 kg total)
 +
* 2 x 250 kg Army Type 92 GPHE bombs (500 kg 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).'' -->
 +
 
 +
'''Realistic Battles'''
 +
 
 +
The Ki-84 ko is a very good multi-purpose fighter, its capable of energy fighting and sustained dogfighting making it a menace to face with few enemies matching it, it takes a rather skilled pilot to shake these off as they have great turn fighting capabilities, good climb rate and a decent top speed for their BR.
 +
 
 +
It is important to remember that when uptiered, you will be fighting aircraft such as the [[Spitfire F Mk 22]], which is faster both in a straight line and in a shallow or steep dive, the best way to reliable deal with this threat is to coax your enemy into a rolling scissors or sustained dogfight as the Spitfire F Mk 22 does not have a faster turn rate than the Ki-84 ko, alternatively if they do not dogfight and they are above you, you can force an over-shoot with some defensive flying and catch the Spitfire either as it passes or when it starts to go back up into its climb thanks to the Ki-84 ko's good climb rate.
  
−
== Weaponry ==
+
The Ki-84 ko is not very well armoured at all and should avoid any head on engagements or well defended aircraft such as [[B-24D-25-CO|B-24s]] as it is rather fragile to enemy fire. The weaponry isn't spectacular either and may require a bit of practice as they are rather lacklustre compared to other planes you will fight.
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=== Offensive weaponry ===
 
−
''Describe the offensive weaponry 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.''
 
  
−
=== Suspended weaponry ===
+
As a Ki-84 pilot your safest bet is to climb above your opponents and pick and choose your battles, often a good strategy to use is to hunt down the highest altitude enemies and pick them off one by one, remember not to waste all the altitude you have obtained as altitude is your friend in the Ki-84, whether you prefer Boom and Zoom or Dogfighting, the Ki-84 ko is sure to please you.
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''Describe the aircraft's suspended weapons: 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.''
 
  
−
=== Defensive weaponry ===
+
'''Simulator Battles'''
−
''Defensive weaponry 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.''
 
  
−
== Usage in the battles ==
+
In Simulator, the Ki-84 is overall a decent plane to fly. It enjoys lovely visibility towards the rear, sides, above, and over the nose, giving the pilot great situational awareness. It has nice handling, good climb rate, great speed and acceleration. Armament-wise, the guns have enough fire rate to put quite a few projectiles into the target in one pass. However the Ki-84's disadvantages are the limited damage, rudder efficiency at high speeds, the rather poor roll rate, and the compass at the front-right of the gunsight that can obstruct your view. This aircraft can be used in BnZ fighting, turn fighting, intercepting (to some extent) and some ground pounding.
−
''Describe the tactics of playing in an aircraft, the features of using vehicles in a team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but 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).''
+
 
 +
Before taking off, bring at least 30 minutes of fuel for longer patrol time. Set the convergence to around 250 m since your weapons have low velocity, therefore needing more precise aim at longer range. While your Ki-84 roars down the runway, you will notice that it shifts severely to the left, thus you must put rudder input to the right to taxi straight. As with other Ki series aircraft, only elevator trim is available, so when the stick is at its deadzone, the Ki-84 will roll and yaw to the left side. Therefore you always need to pull the stick a little to the right which can get a bit annoying. Usually, trim for around -1% when cruising around 470 km/h, around -5% when diving around 600 km/h, and when fighting at around 400 km/h no negative trim is needed. When carrying the 2 x 250 kg bombload, no negative trim is needed as well. Landing characteristics are forgiving: cut throttle to make sure you are not above 350 km/h before touchdown. Deploy combat then takeoff flaps to further decelerate in preparation for extending landing gears. Extend at around 260 km/h, control your descend rate throughout. Right before touchdown, deploy landing flaps. The gears are quite sturdy. You can break until the plane reaches full stop and not worry about propeller strike.
 +
 
 +
For dogfighting, it is always safer to enter with an altitude advantage. Most dogfights in Sim happen around or below 3,000 m so the Ki-84 can easily climb up to that altitude. Once at an advantageous height, boom & zoom the enemies. The Ki-84 can easily accelerate to more than 550 km/h in a dive which is decently fast but requires more precise manoeuvres to get the correct lead, since the faster you go the smaller the shooting window is. Important note: when fighting above 550 km/h, you want to be more precise in the roll and pitch axis, since at this speed the rudder locks up severely, preventing you from making aim adjustments which negatively impacts the lead. You must pretend that your rudder doesn't exist and fully rely on the ailerons and elevators to lead. A successful pass will not usually cripple the enemy given the projectiles' lacklustre damage, so multiple attacks are needed to destroy one plane. Aside from BnZ, the Ki-84 is also excellent at turn fighting - with the appropriate opponent, of course. Except a few dedicated turn fighters, the Ki-84 can out-turn and get on most opponents' tail with combat/takeoff flaps deployed, and can sustain its turning ability throughout the fight. The Ki-84's stable handling allows you to pull some tight manoeuvres, so don't worry too much about flat spins. If you become a prey, try some defensive manoeuvres like barrel rolls or disengage by diving steeply towards a nearby friendly airfield. Note that the Ki-84's roll rate is very average so avoid manoeuvres like scissors.
 +
 
 +
When performing the "destroy enemy surveillance aircraft/attackers/bombers" task, it is crucial to constantly evade the turrets. If it is a bomber/attacker with decent defensive firepower or robust protection, then you might want to disengage after some attempts if you don't want to die. Pay special attention to any plane equipped with M2 Browning MG, they can critically damage the Ki-84 especially on the engine, fuel tanks, and pilot which can always lead to a later crash. Before attacking try to get an altitude advantage and perform deflection shots. To maximise the damage it is better to aim for their wings and engines, as the fuselage usually soaks up quite some bullets. Only fire when the bomber passes in front of your guns. This short window is not enough to cripple a twin-engine aircraft given the slow velocity, light projectiles and low one-second burst mass. However sometimes it only takes one bullet to set the target aflame. DO NOT follow behind a bomber's 6 unless you are sure that its tail gunners are unconscious. Chasing behind a bomber makes yourself pretty much stationary for the tail gunners, and you will be showered with bullets.
 +
 
 +
For ground pounding, the best loadout is the 2 x 250 kg bombs. With an extra 500 kg of weight attached outside, the Ki-84 handles much clumsier during take offs, especially on the roll axis. Longer distance is needed before lifting off. It is quite easy to drop bombs accurately with a Ki-84 because this aircraft is able to quickly accelerate above 550 km/h in a dive, the bombs will travel an almost straight line towards the target, therefore you can aim the gunsight directly at the target and expect the bombs to land very close. After bombs away, immediately pull up. The 2 MGs perform well in killing trucks, AA guns and artilleries as they have plenty of ammo, but avoid wasting cannon shells. However, constantly watch your surrounding, especially your high 6 for any incoming enemies.
 +
 
 +
'''Enemies worth noting:'''
 +
 
 +
* [[Me 264]]: The Me 264 is armed with large calibre MG and cannons all over it, therefore tailing a 264 is basically suicide unless all of their gunners are knocked out. You can treat the 264 almost like a B-29 or B-17 as they are very similar in both design and defensive capabilities. It is best to head-on the 264 if you can as you can easily knock out the pilots due to its glazed nose while also taking minimal damage. However the bomber lacks a ventral turret on its belly, making it easy to deal damage from below, but be wary of the downwards facing rear 20 mm cannon near the tail. The safest way to attack is from a higher altitude, dive at an oblique angle and focus fire on the wings and nose. Never engage if you have no altitude advantage. Looking somewhat similar to a B-17, an Me 264 has huge back-swept wings with 2 engines on each, and a H-tail which differentiates it from a B-17/B-29.
 +
* [[Yak-3 (Family)|Yak-3]]: this is a capable dogfighter or BnZ fighter that can be a huge threat. Although its firepower is not deadly, it can still critically damage a Ki-84. It is able to fly or dive at similar speeds, and can even engage a turn fight with a Ki-84 that is using takeoff flaps. The Yak-3 has a straight dorsal line housing an inline engine, a bubble canopy with a huge cooling intake sticking out the belly, and its symbolic, triangular wings.
 +
* [[A6M (Family)|A6M]], [[Spitfire (Family)|Spitfire]], etc: If you see these turn fighters on your tail try outrunning them by diving at around -40 degrees. The Ki-84 still remains responsive handling at 600 km/h, but its speed retention is not the best, meaning it will start to lose speed quickly and the enemy might catch up. If you are near a friendly airfield, great. If not, then hope for the best and run towards the friendly side. A Spitfire also has an uncurved dorsal outline and large, elliptical wings. A Zero has a radial engine that's usually painted black, rounded wingtips and stabiliser tips followed by a pointy tail.
 +
* [[Ju 288 C]]: this is a very common bomber in air RB. Their tactics generally fall into two styles: shallow dive bombing and conventional climbing. For the ones that shallow dive towards a bomb base at the start of the match, think twice before engaging. The Ju 288 is very fast for a bomber, being able to reach >500 km/h in a shallow dive which makes it quite hard for an attacker to BnZ it, as it will be slow to catch up to it, giving it long enough time to shoot back. The Ki-84 locks up past 550 km/h, plus the mediocre damage, it is best to leave it for heavy-punching teammates. As for the Ju 288 that climb, do not engage if you have no altitude advantage. It has numerous guns with great downward coverage, posing a big threat to the fragile Ki-84.
 +
 
 +
=== Manual Engine Control ===
 +
{| class="wikitable" style="text-align:center"
 +
|-
 +
! colspan="7" | MEC elements
 +
|-
 +
! rowspan="2" | Mixer
 +
! rowspan="2" | Pitch
 +
! 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
 +
|-
 +
|}
 +
 
 +
* Set radiators to be open from 15% to 35% depending on map climate.
 +
* Propeller pitch from 85% in dives to 95% in climb and straight line flight.
 +
* 2nd gear in supercharger should be used when above ~3,400 m.
 +
* Set magneto to "1+2" for slight power increase.
 +
* Mixture was not modeled for this plane.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
''Summarize and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Do not use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - they have a substitution in the form of softer "inadequate", "effective".''
+
<!-- ''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".'' -->
  
 
'''Pros:'''
 
'''Pros:'''
−
*
+
 
 +
* Incredible rate of climb compared to other fighters such as the [[Ki-61 (Family)|Ki-61 series]] and the [[A7M2]]
 +
* Effective top speed and energy retention allowing for the effective use of "boom and zoom" tactics
 +
* Great acceleration allowing speed to be regained quickly after duels
 +
* Reasonable performance at high altitude
 +
* Much better dive speed than the earlier Ki-61 series
 +
* Good manoeuvrability at lower speeds
 +
* Good energy retention
 +
* Thanks to its lack of canopy frames, a clear all-round canopy view especially over the nose gives it a huge advantage in simulator
 +
* Centre of mass is behind main landing gears, allowing it to break continuously until it stops. Does not need to worry about propeller strike
 +
* Engine cools down fairly quickly when overheated
 +
* Simple to use with MEC
  
 
'''Cons:'''
 
'''Cons:'''
−
*
 
  
−
== Historical part ==
+
* Lower maximum dive speed than its American counterparts such as F-82
−
''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 big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ historical reference" (example: https://wiki.warthunder.com/index.php?title=Name-vehicles/historical reference) and add a link to it here using the main template. Be sure to include links to sources at the end of the article.''
+
* The "jack of all trades, master of none" character of this aircraft makes it difficult to play as pilots will need to adapt their playstyle to counter specific aircraft that they are facing, subsequently requiring a fair degree of knowledge over the strengths and weaknesses of each aircraft that they will encounter
 +
* Somewhat vulnerable to damage, don't like to take hits.
 +
* Reasonably slow roll-rate causing this fighter to be vulnerable against Japanese fighters or the Fw 190's which are the typical opponents
 +
* Lock-up of the rudder above 650 km/h renders dive bombing or high speed boom and zoom less effective
 +
 
 +
== 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).''
  
 
== Media ==
 
== Media ==
−
''Прекрасным дополнением к статье станут видеогайды, а также скриншоты из игры и фотографии.''
+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 +
 
 +
;Skins
 +
 
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=ki_84_ko Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
 
 +
;Videos
 +
{{Youtube-gallery|F9FL6xGoSv0|'''Ki-84 Otsu - Nippon All Rounder''' - ''AdamTheEnginerd''|6aL7priUygY|'''Ki-84 ko Hayate - One of the best all around fighters''' - ''Green Fury''}}
 +
 
 +
== See also ==
 +
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
  
−
== 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;''
 
* ''reference to the series of the aircraft;''
 
* ''links to approximate analogues of other nations and research trees.''
 
* ''links to approximate analogues of other nations and research trees.''
−
''ETC.''
 
  
−
== Sources ==
+
== 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;''
−
* ''page on the Wikipedia;''
+
* ''other literature.''-->
−
* ''page on aircraft encyclopedia;''
+
 
−
* ''other literature.''
+
* [https://forum.warthunder.com/index.php?/topic/111031-nakajima-ki-84-i-ko/ Official data sheet - more details about the performance]
 +
 
 +
{{AirManufacturer Nakajima}}
 +
{{Japan fighters}}

Latest revision as of 15:02, 10 February 2024

Rank VI | Premium | Golden Eagles
Chinese A-5C Pack
This page is about the Japanese fighter Ki-84 ko. For other versions, see Ki-84 (Family).
Ki-84 ko
ki_84_ko.png
GarageImage Ki-84 ko.jpg
ArtImage Ki-84 ko.png
Ki-84 ko
Japan flag.png Japan
IV Rank
Battle rating:
AB RB SB
6.0 5.3 5.0
Class:
Research:54 000 Specs-Card-Exp.png
Purchase:185 000 Specs-Card-Lion.png
Show in game

Description

The Ki-84 ko Hayate is a rank IV Japanese fighter with a battle rating of 6.0 (AB), 5.3 (RB), and 5.0 (SB). It was introduced in Update 1.37.

General info

Flight performance

Max speed
at 6 000 m692 km/h
Turn time19 s
Max altitude13 000 m
EngineNakajima Homare 21
TypeRadial
Cooling systemAir
Take-off weight4 t

The Ki-84 ko is the first truly fast aeroplane in the Japanese tech tree. Equipped with a 2,000 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 climb rate 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 armoured glass, armour plates and self-sealing fuel tanks, but the armour is still lacklustre compared to its Soviet and American counterparts. However, as always, not everything is perfect. The aircraft controls stiffen significantly at speeds above 630 km/h, 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 climb-rate, high diving performance, with solid armament.

Characteristics Max Speed
(km/h at 6,000 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 669 650 13000 20.2 20.8 14.1 14.1 421
Upgraded 718 692 19.1 19.4 22.6 17.9

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
✓ ✓ ✓ X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
837 270 470 431 280 ~13 ~10
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 400 < 480 < 430 > 324
Compressor Optimal altitude 100% Engine power WEP Engine power
Setting 1 2,000 m 1,875 hp 2,100 hp
Setting 2 5,300 m 1,675 hp 1,876 hp

Survivability and armour

Crew1 person
Speed of destruction
Structural837 km/h
Gear270 km/h
  • 70 mm bulletproof glass in front of pilot
  • 13 mm steel head-rest
  • 13 mm steel plate behind pilot
  • Self-sealing fuel tanks (1 under pilot's feet, 1 in each wingroot)

Modifications and economy

Repair costBasic → Reference
AB2 590 → 3 294 Sl icon.png
RB5 861 → 7 455 Sl icon.png
SB8 203 → 10 434 Sl icon.png
Total cost of modifications46 900 Rp icon.png
85 500 Sl icon.png
Talisman cost1 500 Ge icon.png
Crew training52 000 Sl icon.png
Experts185 000 Sl icon.png
Aces940 Ge icon.png
Research Aces480 000 Rp icon.png
Reward for battleAB / RB / SB
100 / 210 / 440 % Sl icon.png
166 / 166 / 166 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
180 Ge icon.png
Mods radiator.png
Radiator
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
180 Ge icon.png
Mods compressor.png
Compressor
Research:
2 600 Rp icon.png
Cost:
4 700 Sl icon.png
195 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
2 900 Rp icon.png
Cost:
5 300 Sl icon.png
220 Ge icon.png
Mods new engine.png
Engine
Research:
2 900 Rp icon.png
Cost:
5 300 Sl icon.png
220 Ge icon.png
Mods metanol.png
Engine injection
Research:
5 100 Rp icon.png
Cost:
9 300 Sl icon.png
380 Ge icon.png
Mods armor frame.png
Airframe
Research:
2 600 Rp icon.png
Cost:
4 700 Sl icon.png
195 Ge icon.png
Mods armor cover.png
Cover
Research:
5 100 Rp icon.png
Cost:
9 300 Sl icon.png
380 Ge icon.png
Mods ammo.png
safat12_belt_pack
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
180 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
9 in (mod23)
Research:
2 400 Rp icon.png
Cost:
4 400 Sl icon.png
180 Ge icon.png
Mod arrow 0.png
Mods weapon.png
ho103_new_gun
Research:
2 600 Rp icon.png
Cost:
4 700 Sl icon.png
195 Ge icon.png
Mods pilon bomb.png
10 in (mod24)
Research:
2 600 Rp icon.png
Cost:
4 700 Sl icon.png
195 Ge icon.png
Mod arrow 0.png
Mods ammo.png
ho5_belt_pack
Research:
2 900 Rp icon.png
Cost:
5 300 Sl icon.png
220 Ge icon.png
Mod arrow 0.png
Mods pilon bomb.png
12 in (mod27)
Research:
2 900 Rp icon.png
Cost:
5 300 Sl icon.png
220 Ge icon.png
Mods weapon.png
ho5_new_gun
Research:
5 100 Rp icon.png
Cost:
9 300 Sl icon.png
380 Ge icon.png

Armaments

Offensive armament

Weapon 12 x 20 mm Ho-5 cannon
Ammunition300 rounds
Fire rate948 shots/min
Weapon 22 x 12.7 mm Ho-103 machine gun
Ammunition700 rounds
Fire rate900 shots/min
Main articles: Ho-5 (20 mm), Ho-103 (12.7 mm)

The Ki-84 ko is armed with:

  • 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)

Suspended armament

List of setups (3)
Setup 12 x 50 kg Army Type 94 GPHE bomb
Setup 22 x 100 kg Army Type 94 GPHE bomb
Setup 32 x 250 kg Army Type 92 GPHE bomb
Main articles: Army Type 94 GPHE (50 kg), Army Type 92 GPHE (250 kg)

The Ki-84 ko can be outfitted with the following ordnance:

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

Usage in battles

Realistic Battles

The Ki-84 ko is a very good multi-purpose fighter, its capable of energy fighting and sustained dogfighting making it a menace to face with few enemies matching it, it takes a rather skilled pilot to shake these off as they have great turn fighting capabilities, good climb rate and a decent top speed for their BR.

It is important to remember that when uptiered, you will be fighting aircraft such as the Spitfire F Mk 22, which is faster both in a straight line and in a shallow or steep dive, the best way to reliable deal with this threat is to coax your enemy into a rolling scissors or sustained dogfight as the Spitfire F Mk 22 does not have a faster turn rate than the Ki-84 ko, alternatively if they do not dogfight and they are above you, you can force an over-shoot with some defensive flying and catch the Spitfire either as it passes or when it starts to go back up into its climb thanks to the Ki-84 ko's good climb rate.

The Ki-84 ko is not very well armoured at all and should avoid any head on engagements or well defended aircraft such as B-24s as it is rather fragile to enemy fire. The weaponry isn't spectacular either and may require a bit of practice as they are rather lacklustre compared to other planes you will fight.

As a Ki-84 pilot your safest bet is to climb above your opponents and pick and choose your battles, often a good strategy to use is to hunt down the highest altitude enemies and pick them off one by one, remember not to waste all the altitude you have obtained as altitude is your friend in the Ki-84, whether you prefer Boom and Zoom or Dogfighting, the Ki-84 ko is sure to please you.

Simulator Battles

In Simulator, the Ki-84 is overall a decent plane to fly. It enjoys lovely visibility towards the rear, sides, above, and over the nose, giving the pilot great situational awareness. It has nice handling, good climb rate, great speed and acceleration. Armament-wise, the guns have enough fire rate to put quite a few projectiles into the target in one pass. However the Ki-84's disadvantages are the limited damage, rudder efficiency at high speeds, the rather poor roll rate, and the compass at the front-right of the gunsight that can obstruct your view. This aircraft can be used in BnZ fighting, turn fighting, intercepting (to some extent) and some ground pounding.

Before taking off, bring at least 30 minutes of fuel for longer patrol time. Set the convergence to around 250 m since your weapons have low velocity, therefore needing more precise aim at longer range. While your Ki-84 roars down the runway, you will notice that it shifts severely to the left, thus you must put rudder input to the right to taxi straight. As with other Ki series aircraft, only elevator trim is available, so when the stick is at its deadzone, the Ki-84 will roll and yaw to the left side. Therefore you always need to pull the stick a little to the right which can get a bit annoying. Usually, trim for around -1% when cruising around 470 km/h, around -5% when diving around 600 km/h, and when fighting at around 400 km/h no negative trim is needed. When carrying the 2 x 250 kg bombload, no negative trim is needed as well. Landing characteristics are forgiving: cut throttle to make sure you are not above 350 km/h before touchdown. Deploy combat then takeoff flaps to further decelerate in preparation for extending landing gears. Extend at around 260 km/h, control your descend rate throughout. Right before touchdown, deploy landing flaps. The gears are quite sturdy. You can break until the plane reaches full stop and not worry about propeller strike.

For dogfighting, it is always safer to enter with an altitude advantage. Most dogfights in Sim happen around or below 3,000 m so the Ki-84 can easily climb up to that altitude. Once at an advantageous height, boom & zoom the enemies. The Ki-84 can easily accelerate to more than 550 km/h in a dive which is decently fast but requires more precise manoeuvres to get the correct lead, since the faster you go the smaller the shooting window is. Important note: when fighting above 550 km/h, you want to be more precise in the roll and pitch axis, since at this speed the rudder locks up severely, preventing you from making aim adjustments which negatively impacts the lead. You must pretend that your rudder doesn't exist and fully rely on the ailerons and elevators to lead. A successful pass will not usually cripple the enemy given the projectiles' lacklustre damage, so multiple attacks are needed to destroy one plane. Aside from BnZ, the Ki-84 is also excellent at turn fighting - with the appropriate opponent, of course. Except a few dedicated turn fighters, the Ki-84 can out-turn and get on most opponents' tail with combat/takeoff flaps deployed, and can sustain its turning ability throughout the fight. The Ki-84's stable handling allows you to pull some tight manoeuvres, so don't worry too much about flat spins. If you become a prey, try some defensive manoeuvres like barrel rolls or disengage by diving steeply towards a nearby friendly airfield. Note that the Ki-84's roll rate is very average so avoid manoeuvres like scissors.

When performing the "destroy enemy surveillance aircraft/attackers/bombers" task, it is crucial to constantly evade the turrets. If it is a bomber/attacker with decent defensive firepower or robust protection, then you might want to disengage after some attempts if you don't want to die. Pay special attention to any plane equipped with M2 Browning MG, they can critically damage the Ki-84 especially on the engine, fuel tanks, and pilot which can always lead to a later crash. Before attacking try to get an altitude advantage and perform deflection shots. To maximise the damage it is better to aim for their wings and engines, as the fuselage usually soaks up quite some bullets. Only fire when the bomber passes in front of your guns. This short window is not enough to cripple a twin-engine aircraft given the slow velocity, light projectiles and low one-second burst mass. However sometimes it only takes one bullet to set the target aflame. DO NOT follow behind a bomber's 6 unless you are sure that its tail gunners are unconscious. Chasing behind a bomber makes yourself pretty much stationary for the tail gunners, and you will be showered with bullets.

For ground pounding, the best loadout is the 2 x 250 kg bombs. With an extra 500 kg of weight attached outside, the Ki-84 handles much clumsier during take offs, especially on the roll axis. Longer distance is needed before lifting off. It is quite easy to drop bombs accurately with a Ki-84 because this aircraft is able to quickly accelerate above 550 km/h in a dive, the bombs will travel an almost straight line towards the target, therefore you can aim the gunsight directly at the target and expect the bombs to land very close. After bombs away, immediately pull up. The 2 MGs perform well in killing trucks, AA guns and artilleries as they have plenty of ammo, but avoid wasting cannon shells. However, constantly watch your surrounding, especially your high 6 for any incoming enemies.

Enemies worth noting:

  • Me 264: The Me 264 is armed with large calibre MG and cannons all over it, therefore tailing a 264 is basically suicide unless all of their gunners are knocked out. You can treat the 264 almost like a B-29 or B-17 as they are very similar in both design and defensive capabilities. It is best to head-on the 264 if you can as you can easily knock out the pilots due to its glazed nose while also taking minimal damage. However the bomber lacks a ventral turret on its belly, making it easy to deal damage from below, but be wary of the downwards facing rear 20 mm cannon near the tail. The safest way to attack is from a higher altitude, dive at an oblique angle and focus fire on the wings and nose. Never engage if you have no altitude advantage. Looking somewhat similar to a B-17, an Me 264 has huge back-swept wings with 2 engines on each, and a H-tail which differentiates it from a B-17/B-29.
  • Yak-3: this is a capable dogfighter or BnZ fighter that can be a huge threat. Although its firepower is not deadly, it can still critically damage a Ki-84. It is able to fly or dive at similar speeds, and can even engage a turn fight with a Ki-84 that is using takeoff flaps. The Yak-3 has a straight dorsal line housing an inline engine, a bubble canopy with a huge cooling intake sticking out the belly, and its symbolic, triangular wings.
  • A6M, Spitfire, etc: If you see these turn fighters on your tail try outrunning them by diving at around -40 degrees. The Ki-84 still remains responsive handling at 600 km/h, but its speed retention is not the best, meaning it will start to lose speed quickly and the enemy might catch up. If you are near a friendly airfield, great. If not, then hope for the best and run towards the friendly side. A Spitfire also has an uncurved dorsal outline and large, elliptical wings. A Zero has a radial engine that's usually painted black, rounded wingtips and stabiliser tips followed by a pointy tail.
  • Ju 288 C: this is a very common bomber in air RB. Their tactics generally fall into two styles: shallow dive bombing and conventional climbing. For the ones that shallow dive towards a bomb base at the start of the match, think twice before engaging. The Ju 288 is very fast for a bomber, being able to reach >500 km/h in a shallow dive which makes it quite hard for an attacker to BnZ it, as it will be slow to catch up to it, giving it long enough time to shoot back. The Ki-84 locks up past 550 km/h, plus the mediocre damage, it is best to leave it for heavy-punching teammates. As for the Ju 288 that climb, do not engage if you have no altitude advantage. It has numerous guns with great downward coverage, posing a big threat to the fragile Ki-84.

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Controllable Controllable
Not auto controlled 		Controllable
Not auto controlled 		Controllable
Not auto controlled 		Separate Controllable
2 gears 		Not controllable
  • Set radiators to be open from 15% to 35% depending on map climate.
  • Propeller pitch from 85% in dives to 95% in climb and straight line flight.
  • 2nd gear in supercharger should be used when above ~3,400 m.
  • Set magneto to "1+2" for slight power increase.
  • Mixture was not modeled for this plane.

Pros and cons

Pros:

  • Incredible rate of climb compared to other fighters such as the Ki-61 series and the A7M2
  • Effective top speed and energy retention allowing for the effective use of "boom and zoom" tactics
  • Great acceleration allowing speed to be regained quickly after duels
  • Reasonable performance at high altitude
  • Much better dive speed than the earlier Ki-61 series
  • Good manoeuvrability at lower speeds
  • Good energy retention
  • Thanks to its lack of canopy frames, a clear all-round canopy view especially over the nose gives it a huge advantage in simulator
  • Centre of mass is behind main landing gears, allowing it to break continuously until it stops. Does not need to worry about propeller strike
  • Engine cools down fairly quickly when overheated
  • Simple to use with MEC

Cons:

  • Lower maximum dive speed than its American counterparts such as F-82
  • The "jack of all trades, master of none" character of this aircraft makes it difficult to play as pilots will need to adapt their playstyle to counter specific aircraft that they are facing, subsequently requiring a fair degree of knowledge over the strengths and weaknesses of each aircraft that they will encounter
  • Somewhat vulnerable to damage, don't like to take hits.
  • Reasonably slow roll-rate causing this fighter to be vulnerable against Japanese fighters or the Fw 190's which are the typical opponents
  • Lock-up of the rudder above 650 km/h renders dive bombing or high speed boom and zoom less effective

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).

Media

Skins
Videos
Ki-84 Otsu - Nippon All Rounder - AdamTheEnginerd
Ki-84 ko Hayate - One of the best all around fighters - Green Fury

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


Nakajima Aircraft Company (中島飛行機株式会社 )
Fighters  Ki-27 otsu · Ki-27 otsu Tachiarai
  Ki-43-I · Ki-43-II · Ki-43-III otsu
  Ki-44-I · Ki-44-I 34 · Ki-44-II otsu · Ki-44-II hei
  Ki-84 ko · Ki-84 otsu · Ki-84 hei
  Ki-87
Hydroplanes  A6M2-N*
Interceptors  J1N1 · J5N1
Bombers  B5N2
  B6N1 Model 11 · B6N2 Model 12 · B6N2a Model 12Ko
  G5N1 · G8N1
  Ki-49-I · Ki-49-IIa · Ki-49-IIb · Ki-49-IIb/L
Recon  E8N2
Jet Fighters  Kikka
Captured  ␗Ki-27 otsu · ▃Ki-43-II · ␗Ki-43-III ko · ␗Ki-44-II hei · ␗Ki-84 ko
  *Refit of the Mitsubishi A6M2 mod. 11
See also  Fuji Heavy Industries (1957-2017)

Japan fighters
Navy 
Carrier-based fighter 
A5M  A5M4 · Hagiri's A5M4
A6M  A6M2 mod. 11 · A6M2 · A6M3 · A6M3 mod. 22 · A6M3 mod. 22Ko · A6M5 · A6M5 Ko · A6M5 otsu · A6M5 Hei · A6M6c
A7He  A7He1*
A7M  A7M1 (NK9H) · A7M2
Land-based Fighter 
J2M  J2M2 · J2M3 · J2M4 Kai · J2M5 · J2M5 (30 mm)
J6K  J6K1
J7W  J7W1
N1K-J  N1K1-Ja · N1K2-J · N1K2-Ja
Fighter seaplane 
N1K  N1K1
A6M-N  A6M2-N
Army 
Ki-10  Ki-10-I · Ki-10-I C · Ki-10-II · Ki-10-II C
Ki-27  Ki-27 otsu · Ki-27 otsu Tachiarai
Ki-43  Ki-43-I · Ki-43-II · Ki-43-III otsu
Ki-44  Ki-44-I · Ki-44-I 34 · Ki-44-II otsu · Ki-44-II hei
Ki-61  Ki-61-I ko · Ki-61-I otsu · Ki-61-I hei · Tada's Ki-61-I hei · Ki-61-I tei · Ki-61-II Otsu Kai
Ki-84  Ki-84 ko · Ki-84 otsu · Ki-84 hei
Ki-87  Ki-87
Ki-94  Ki-94-II
Ki-100  Ki-100 · Ki-100-II
Other countries  ▅F4U-1A · ▅P-51C-11-NT · ▅Bf 109 E-7 · ▅Fw 190 A-5
  *Imported designation of the He 112 (A6M was in development - A7M would take A7 designation after the cancelation of the A7He)

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