Difference between revisions of "Ki-27 otsu Tachiarai"

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{{Specs-Card|code=ki-27_otsu_ep}}
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{{About
 +
| about = Japanese fighter '''{{PAGENAME}}'''
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| usage = other variants
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| link = Ki-27 (Family)
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}}
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{{Specs-Card
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|code=ki-27_otsu_ep
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
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}}
  
 
== Description ==
 
== Description ==
 
<!-- ''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.'' -->
 
<!-- ''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.'' -->
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[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
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The '''Ki-27 otsu''' is of the 4th Sentai based in the Japanese '''Tachiarai''' Air Base, located in Fukuoka, Kyūshū. Established in 1919 and in 1940 as an Army Flight School, it trained all new Army pilots to be ready for aerial combat over the skies of Asia.
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{{Break}}
+
 
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The '''{{Specs|name}}''' is a premium rank {{Specs|rank}} Japanese fighter {{Battle-rating}}. It was introduced in [[Update "Starfighters"]].
+
The '''{{Specs|name}}''' was introduced in [[Update "Starfighters"]]. Serving as a very good example of what to expect from the Japanese air tree, the Ki-27 excels in manoeuvrability above all else, having average survivability with lacklustre firepower.
 +
 
 +
;Nicknames:
 +
* IJA Pilot Abbreviation: ''Kyū-Nana Sen'' (九七戦, "9-7 Fighter").
 +
* Allied reporting name: Nate
 +
* {{Annotation|CBI|China-Burma-India}} reporting name: Abdul
  
 
== General info ==
 
== General info ==
 
=== Flight performance ===
 
=== Flight performance ===
 +
{{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.'' -->
 
<!-- ''Describe how the aircraft behaves in the air. Speed, manoeuvrability, acceleration and allowable loads - these are the most important characteristics of the vehicle.'' -->
  
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|-
 
|-
 
! Stock
 
! Stock
−
| 476 || 465 || rowspan="2" | {{Specs|ceiling}} || 10.2 || 10.6 || 8.5 || 8.5 || rowspan="2" | 180
+
| 476 || 464 || rowspan="2" | {{Specs|ceiling}} || 10.2 || 10.7 || 8.6 || 8.6 || rowspan="2" | 180
 
|-
 
|-
 
! Upgraded
 
! Upgraded
−
| 517 || 495 || 9.8 || 10.0 || 18.6 || 12.8
+
| 517 || 495 || 9.8 || 10.0 || 18.4 || 12.8
 
|-
 
|-
 
|}
 
|}
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! Combat !! Take-off !! Landing !! + !! -
 
! Combat !! Take-off !! Landing !! + !! -
 
|-
 
|-
−
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} ||350||350||220|| ~10 || ~7
+
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || N/A || N/A || 220 || ~10 || ~7
 
|-
 
|-
 
|}
 
|}
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=== Survivability and armour ===
 
=== Survivability and armour ===
 +
{{Specs-Avia-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.'' -->
 
<!-- ''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.'' -->
−
The Ki-27 does not have any armor or self-sealing fuel tanks. There is one fuel tank located above and behind the oil cooling system, and the rest in the wings (2 in each wing).
+
The Ki-27 does not have any armour or self-sealing fuel tanks. There is one fuel tank located above and behind the oil cooling system, and the rest in the wings (2 in each wing).
 +
 
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Offensive armament ===
 
=== Offensive armament ===
 +
{{Specs-Avia-Offensive}}
 
<!-- ''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.'' -->
 
<!-- ''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.'' -->
 
{{main|Type 89 (7.7 mm)}}
 
{{main|Type 89 (7.7 mm)}}
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The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
−
* 2 x 7.7 mm Type 89 machine guns, -mounted (500 rpg = 1,000 total)
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* 2 x 7.7 mm Type 89 machine guns, nose-mounted (500 rpg = 1,000 total)
  
 
== Usage in battles ==
 
== Usage in battles ==
−
<!-- ''Describe the tactics of playing in an 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).'' -->
+
<!-- ''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).'' -->
 
A superior dogfighter for turn-fighting, the Ki-27 is the first plane to begin showing the features typical of the Japanese [[A6M (Family)|"Zero"]] but with none of the bite. Its speed and manoeuvrability are plagued by engine problems, with no armour and a standard armament.
 
A superior dogfighter for turn-fighting, the Ki-27 is the first plane to begin showing the features typical of the Japanese [[A6M (Family)|"Zero"]] but with none of the bite. Its speed and manoeuvrability are plagued by engine problems, with no armour and a standard armament.
  
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Biplanes (except the [[I-153 M-62|I-153 Chaika]]) make easy prey for the Ki-27, and the Ki-27 can easily outmanoeuvre the [[P-36C|P-36 Hawk]], the [[F2A-1|F2A Brewster Buffalo]] and the [[I-16 type 24|I-16 Ishak]], but their stronger armaments will knock out a Ki-27 in a single good burst. Simply outrunning any of them is an excellent evasive manoeuvre. [[Hurricane Mk I/L|Hurricane Mk I]]s can strictly complete with the Ki-27 Otsu in manoeuvrability, but the Hurricane's heavier armament (four times that of the Ki-27) can also quickly shred a Ki-27. Additionally, outrunning a Hurricane in a Ki-27 is not possible. [[I-15bis|I-15]]s, which the Ki-27 historically outperformed, will be the bane of a Ki-27s existence, as their excellent turn ability will force it into energy bleeding manoeuvres or Boom & Zoom style combat. Risky with competition around to abuse either state.
 
Biplanes (except the [[I-153 M-62|I-153 Chaika]]) make easy prey for the Ki-27, and the Ki-27 can easily outmanoeuvre the [[P-36C|P-36 Hawk]], the [[F2A-1|F2A Brewster Buffalo]] and the [[I-16 type 24|I-16 Ishak]], but their stronger armaments will knock out a Ki-27 in a single good burst. Simply outrunning any of them is an excellent evasive manoeuvre. [[Hurricane Mk I/L|Hurricane Mk I]]s can strictly complete with the Ki-27 Otsu in manoeuvrability, but the Hurricane's heavier armament (four times that of the Ki-27) can also quickly shred a Ki-27. Additionally, outrunning a Hurricane in a Ki-27 is not possible. [[I-15bis|I-15]]s, which the Ki-27 historically outperformed, will be the bane of a Ki-27s existence, as their excellent turn ability will force it into energy bleeding manoeuvres or Boom & Zoom style combat. Risky with competition around to abuse either state.
  
−
Despite its low battle rating, you can face some challenging foes when flying the Ki-27. Bi-planes will give you a run for your money in terms of manoeuvrability, while some early mono-planes will be faster and more heavily armed than you. Therefore, it is important to judge your foes accordingly.
+
Despite its low battle rating, you can face some challenging foes when flying the Ki-27. Biplanes will give you a run for your money in terms of manoeuvrability, while some early monoplanes will be faster and more heavily armed than you. Therefore, it is important to judge your foes accordingly.
  
−
One of the most challenging opponents is the ''[[I-153 M-62|I-153 Chaika]]''. It is not a mere upgraded [[I-15bis]], but in all performance aspects ''equal'' to the Nakajima Ki-27 fighter. Also on the Russian side, the Mig-3 is a significant threat. It is one of the fastest aircraft in its battle rating and has decent armament. In skilled hands, it can be an almost impossible opponent to combat, especially when using Boom & Zoom tactics against you. Your only defence will be to try and outmanoeuvre it or to lure it into a turn fight. The I-16 is also a familiar opponent.
+
One of the most challenging opponents is the [[I-153 M-62|I-153 Chaika]]. It is not a mere upgraded [[I-15bis]], but in all performance aspects equal to the Nakajima Ki-27 fighter. Also on the Soviet side, the [[MiG-3 (Family)|MiG-3]] is a significant threat. It is one of the fastest aircraft in its battle rating and has decent armament. In skilled hands, it can be an almost impossible opponent to combat, especially when using Boom & Zoom tactics against you. Your only defence will be to try and outmanoeuvre it or to lure it into a turn fight. The I-16 is also a familiar opponent.
  
−
From America, you will face the [[P-26A-33|P-26]]. They are quite good divers and have a decent roll rate, but will not be able to outmanoeuvre you in a turn fight. The [[P-36A|P-36]] is more challenging. Faster and well armed, you will have to rely on your turn rate to try and outmanoeuvre them.
+
From America, you will face the [[P-26 (Family)|P-26]]. They are quite good divers and have a decent roll rate, but will not be able to outmanoeuvre you in a turn fight. The [[P-36 (Family)|P-36]] is more challenging. Faster and well armed, you will have to rely on your turn rate to try and outmanoeuvre them.
  
 
=== Manual Engine Control ===
 
=== Manual Engine Control ===
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! rowspan="2" | Turbocharger
 
! rowspan="2" | Turbocharger
 
|-
 
|-
−
! Oil
+
! Oil !! Water !! Type
−
! Water
 
−
! Type
 
−
|-
 
−
| Controllable || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Controllable<br>Not auto controlled || rowspan="2" | Controllable<br>Not auto controlled || rowspan="2" | Separate || rowspan="2" | Not controllable<br>1 gear || rowspan="2" | Not controllable
 
−
|-
 
−
|}
 
−
 
 
−
=== Modules ===
 
−
{| class="wikitable"
 
−
! colspan="1" | Tier
 
−
! colspan="2" | Flight performance
 
−
! colspan="1" | Survivability
 
−
! colspan="1" | Weaponry
 
−
|-
 
−
| I
 
−
| Fuselage repair
 
−
| Radiator
 
−
|
 
−
| Offensive 7 mm
 
−
|-
 
−
| II
 
−
|
 
−
| Compressor
 
−
| Airframe
 
−
|
 
−
|-
 
−
| III
 
−
| Wings repair
 
−
| Engine
 
−
|
 
−
| New 7 mm MGs
 
 
|-
 
|-
−
| IV
+
| Controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Not controllable<br>1 gear || Not controllable
−
|
 
−
| Engine injection
 
−
| Cover
 
−
|
 
−
|-
 
−
! colspan="6" | This is a premium vehicle: all modifications are unlocked on purchase
 
 
|-
 
|-
 
|}
 
|}
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== History ==
 
== 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).'' -->
 
<!-- ''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).'' -->
−
''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).''
+
===Development===
 +
The Nakajima Ki-27 otsu began as the Ki-11, a competitor for the [[Ki-10-I|Kawasaki Ki-10]] biplane. While faster and more modern than the Ki-10 biplane, the Ki-11 wasn't adopted because the Imperial Japanese Army valued manoeuvrability over speed. Nakajima continued development of the design before finalising the Ki-12, a modern monoplane with a liquid-cooled engine and retractable landing gear, but the Army denied it outright as too maintenance heavy for forward airbases in Manchuria and China. The redesigned plane instead featured a radial air-cooled engine, fixed landing gear and fully enclosed cockpit and received the designation Ki-27.
 +
 
 +
In 1936, the Ki-27 competed against the Kawasaki Ki-28 (a prototype design fated to never enter production) and the Mitsubishi Ki-33 (a de-navalised [[A5M4|A5M]]). While the Ki-33 outperformed the Ki-27 in most regards, the Imperial Japanese Army was loath to adopt a "navy fighter", and approved the Ki-27 with minor modifications. The Ki-27 entered service as the Army Type 97 Fighter.
 +
 
 +
===Service History===
 +
While the Ki-10 would not be finally phased out from front line service until 1942, by 1940, the Ki-27 was the primary army fighter on the front lines. It was unmatched by any plane in the Chinese air force inventory, and outperformed the Soviet [[I-15bis|I-15]] and [[I-16 type 18|I-16]] fighters in the Battles of Khalkhin Gol, with some pilots scoring 11 kills against Soviet planes in a single day. Against Chinese Curtiss [[P-36A|P-36 Hawks]], veteran Ki-27 pilots achieved similar, but not as impressive kill rates.
 +
 
 +
Over China, the Ki-27 was unmatched until the deployment of the [[P-40E-1|P-40 Warhawks]] with the American Volunteer Group. After America's entry into the war, the Ki-27 also fared poorly against the US Navy's F2A Brewster Buffalo and F4F Wildcat and was removed from most front line service within the first months of the war, replaced by the much-improved Ki-43. However, it remained a front line fighter in Thai service, where the Ki-27 scored recorded kills against [[P-51D-30|P-51]]s and at least one [[P-38G-1|P-38]].
 +
 
 +
Because of their high production numbers and relatively few losses, Ki-27 would see a renewed role late in the war as Kamikaze planes.
 +
 
 +
===Tachiarai Air Base===
 +
 
 +
In 1919 the Japanese army established the Tachiarai Air Base, located in Fukuoka Prefecture on Japan's southernmost main island of Kyūshū.
 +
 
 +
The Tachiarai Army Flight School opened in 1940, where during the dire last year of the war many Japanese pilots were crash-coursed on Kamikaze operations. The flight school had a branch school in Chiran, Kagoshima Prefecture, where many Army pilots departed for Kamikaze flights towards the American fleet near Okinawa.
 +
 
 +
Operations from out Tachiarai ended once American B-29s destroyed the whole base on March 1945.
 +
 
 +
====Tachiarai Peace Museum====
 +
 
 +
In 1987 Tachiarai got reopened as a Peace Museum in a former Tachiarai train station, this choice was made to preserve the place where families made their final farewells to their sons departing towards the American fleets. The museum's goal is to preserve peace and maintain tranquility of the souls who departed during the war.
 +
 
 +
Many items have been gifted, from objects directly from the Air Base and personnel to personal farewell letters. The museum doesn't focus on historical summary of Kamikaze operations, but more aimed at stories of the pilots stationed there.
 +
 
 +
The Museum has a restored Ki-27 on display, which crashed in 1945 into the bay of Hakata, next to Fukuoka City, in route from Manchuria to Chiran Air Base in order for a Kamikaze depart. The pilot survived the crash landing, but later made a sortie in another Ki-27. This plane was discovered and pulled out the bay in 1996.
 +
 
 +
Next to the Ki-27, there's another plane on display outside the Museum, a T-33 training jet derived from the [[F-80A-5|Lockheed F-80]]
  
 
== Media ==
 
== Media ==
 
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
−
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
+
 
 +
;Skins
 +
* [https://live.warthunder.com/feed/camouflages/?vehicle=ki-27_otsu_ep Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 +
* Skins and camouflages for the [[Ki-27 otsu#Media|Ki-27 otsu]] can also be used for the {{PAGENAME}}.
  
 
== See also ==
 
== See also ==
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* ''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.'' -->
−
''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;''
+
;Related development
−
* ''links to approximate analogues of other nations and research trees.''
+
* [[Ki-27 (Family)]]
  
 
== External links ==
 
== 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;''
−
* ''encyclopedia page on the aircraft;''
 
 
* ''other literature.'' -->
 
* ''other literature.'' -->
−
''Paste links to sources and external resources, such as:''
 
  
−
* ''topic on the official game forum;''
+
* [https://forum.warthunder.com/index.php?/topic/202077-nakajima-ki-27-otsu/ Official data sheet - more details about the performance]
−
* ''encyclopedia page on the aircraft;''
 
−
* ''other literature.''
 
  
−
{{Template:AirManufacturer Nakajima}}
+
{{AirManufacturer Nakajima}}
 
{{Japan fighters}}
 
{{Japan fighters}}
 
{{Japan premium aircraft}}
 
{{Japan premium aircraft}}

Latest revision as of 13:34, 7 September 2023

Rank VI USSR | Premium | Golden Eagles
Su-25K Pack
This page is about the Japanese fighter Ki-27 otsu Tachiarai. For other variants, see Ki-27 (Family).
Ki-27 otsu Tachiarai
ki-27_otsu_ep.png
GarageImage Ki-27 otsu Tachiarai.jpg
ArtImage Ki-27 otsu Tachiarai.png
Ki-27 otsu Tachiarai
Japan flag.png Japan
I Rank
Battle rating:
AB RB SB
1.3 2.0 1.3
Class:
PREMIUM
Purchase:250 Specs-Card-Eagle.png
Show in game

Description

The Ki-27 otsu is of the 4th Sentai based in the Japanese Tachiarai Air Base, located in Fukuoka, Kyūshū. Established in 1919 and in 1940 as an Army Flight School, it trained all new Army pilots to be ready for aerial combat over the skies of Asia.

The Ki-27 otsu Tachiarai was introduced in Update "Starfighters". Serving as a very good example of what to expect from the Japanese air tree, the Ki-27 excels in manoeuvrability above all else, having average survivability with lacklustre firepower.

Nicknames
  • IJA Pilot Abbreviation: Kyū-Nana Sen (九七戦, "9-7 Fighter").
  • Allied reporting name: Nate
  • CBI reporting name: Abdul

General info

Flight performance

Max speed
at 3 500 m495 km/h
Turn time10 s
Max altitude8 500 m
EngineNakajima Kotobuki 41
TypeRadial
Cooling systemAir
Take-off weight2 t
Characteristics Max Speed
(km/h at 3,500 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 476 464 8500 10.2 10.7 8.6 8.6 180
Upgraded 517 495 9.8 10.0 18.4 12.8

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X ✓ X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
554 550 N/A N/A 220 ~10 ~7
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 350 < 350 < 350 > 296

Survivability and armour

Crew1 person
Speed of destruction
Structural554 km/h
Gear550 km/h

The Ki-27 does not have any armour or self-sealing fuel tanks. There is one fuel tank located above and behind the oil cooling system, and the rest in the wings (2 in each wing).

Modifications and economy

Repair cost
AB431 Sl icon.png
RB222 Sl icon.png
SB193 Sl icon.png
Crew training450 Sl icon.png
Experts3 000 Sl icon.png
Aces45 Ge icon.png
Research Aces220 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 20 / 30 / 100 % Sl icon.png
Talisman.png 2 × 100 / 100 / 100 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Mods radiator.png
Radiator
Mods compressor.png
Compressor
Mods aerodinamic wing.png
Wings repair
Mods new engine.png
Engine
Mods metanol.png
Engine injection
Mods armor frame.png
Airframe
Mods armor cover.png
Cover
Mods ammo.png
type89_belt_pack
Mod arrow 1.png
Mods weapon.png
type89_new_gun

Armaments

Offensive armament

Weapon 12 x 7.7 mm Type 89 machine gun
Ammunition1 000 rounds
Fire rate900 shots/min
Main article: Type 89 (7.7 mm)

The Ki-27 otsu Tachiarai is armed with:

  • 2 x 7.7 mm Type 89 machine guns, nose-mounted (500 rpg = 1,000 total)

Usage in battles

A superior dogfighter for turn-fighting, the Ki-27 is the first plane to begin showing the features typical of the Japanese "Zero" but with none of the bite. Its speed and manoeuvrability are plagued by engine problems, with no armour and a standard armament.

In battle, no Allied fighter can out-turn you, except for biplanes, but most will outgun you (and even most biplanes match the Ki-27 in armament).

Biplanes (except the I-153 Chaika) make easy prey for the Ki-27, and the Ki-27 can easily outmanoeuvre the P-36 Hawk, the F2A Brewster Buffalo and the I-16 Ishak, but their stronger armaments will knock out a Ki-27 in a single good burst. Simply outrunning any of them is an excellent evasive manoeuvre. Hurricane Mk Is can strictly complete with the Ki-27 Otsu in manoeuvrability, but the Hurricane's heavier armament (four times that of the Ki-27) can also quickly shred a Ki-27. Additionally, outrunning a Hurricane in a Ki-27 is not possible. I-15s, which the Ki-27 historically outperformed, will be the bane of a Ki-27s existence, as their excellent turn ability will force it into energy bleeding manoeuvres or Boom & Zoom style combat. Risky with competition around to abuse either state.

Despite its low battle rating, you can face some challenging foes when flying the Ki-27. Biplanes will give you a run for your money in terms of manoeuvrability, while some early monoplanes will be faster and more heavily armed than you. Therefore, it is important to judge your foes accordingly.

One of the most challenging opponents is the I-153 Chaika. It is not a mere upgraded I-15bis, but in all performance aspects equal to the Nakajima Ki-27 fighter. Also on the Soviet side, the MiG-3 is a significant threat. It is one of the fastest aircraft in its battle rating and has decent armament. In skilled hands, it can be an almost impossible opponent to combat, especially when using Boom & Zoom tactics against you. Your only defence will be to try and outmanoeuvre it or to lure it into a turn fight. The I-16 is also a familiar opponent.

From America, you will face the P-26. They are quite good divers and have a decent roll rate, but will not be able to outmanoeuvre you in a turn fight. The P-36 is more challenging. Faster and well armed, you will have to rely on your turn rate to try and outmanoeuvre them.

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 Not controllable
1 gear 		Not controllable

Pros and cons

Pros:

  • Great manoeuvrability, on par with biplanes
  • Good stability in turns
  • Good speed, for its tier
  • Excellent climb, can reach above 20 m/s

Cons:

  • Limited firepower
  • Engine overheats rapidly on hot maps
  • Engine chokes in negative g dives
  • No armour

History

Development

The Nakajima Ki-27 otsu began as the Ki-11, a competitor for the Kawasaki Ki-10 biplane. While faster and more modern than the Ki-10 biplane, the Ki-11 wasn't adopted because the Imperial Japanese Army valued manoeuvrability over speed. Nakajima continued development of the design before finalising the Ki-12, a modern monoplane with a liquid-cooled engine and retractable landing gear, but the Army denied it outright as too maintenance heavy for forward airbases in Manchuria and China. The redesigned plane instead featured a radial air-cooled engine, fixed landing gear and fully enclosed cockpit and received the designation Ki-27.

In 1936, the Ki-27 competed against the Kawasaki Ki-28 (a prototype design fated to never enter production) and the Mitsubishi Ki-33 (a de-navalised A5M). While the Ki-33 outperformed the Ki-27 in most regards, the Imperial Japanese Army was loath to adopt a "navy fighter", and approved the Ki-27 with minor modifications. The Ki-27 entered service as the Army Type 97 Fighter.

Service History

While the Ki-10 would not be finally phased out from front line service until 1942, by 1940, the Ki-27 was the primary army fighter on the front lines. It was unmatched by any plane in the Chinese air force inventory, and outperformed the Soviet I-15 and I-16 fighters in the Battles of Khalkhin Gol, with some pilots scoring 11 kills against Soviet planes in a single day. Against Chinese Curtiss P-36 Hawks, veteran Ki-27 pilots achieved similar, but not as impressive kill rates.

Over China, the Ki-27 was unmatched until the deployment of the P-40 Warhawks with the American Volunteer Group. After America's entry into the war, the Ki-27 also fared poorly against the US Navy's F2A Brewster Buffalo and F4F Wildcat and was removed from most front line service within the first months of the war, replaced by the much-improved Ki-43. However, it remained a front line fighter in Thai service, where the Ki-27 scored recorded kills against P-51s and at least one P-38.

Because of their high production numbers and relatively few losses, Ki-27 would see a renewed role late in the war as Kamikaze planes.

Tachiarai Air Base

In 1919 the Japanese army established the Tachiarai Air Base, located in Fukuoka Prefecture on Japan's southernmost main island of Kyūshū.

The Tachiarai Army Flight School opened in 1940, where during the dire last year of the war many Japanese pilots were crash-coursed on Kamikaze operations. The flight school had a branch school in Chiran, Kagoshima Prefecture, where many Army pilots departed for Kamikaze flights towards the American fleet near Okinawa.

Operations from out Tachiarai ended once American B-29s destroyed the whole base on March 1945.

Tachiarai Peace Museum

In 1987 Tachiarai got reopened as a Peace Museum in a former Tachiarai train station, this choice was made to preserve the place where families made their final farewells to their sons departing towards the American fleets. The museum's goal is to preserve peace and maintain tranquility of the souls who departed during the war.

Many items have been gifted, from objects directly from the Air Base and personnel to personal farewell letters. The museum doesn't focus on historical summary of Kamikaze operations, but more aimed at stories of the pilots stationed there.

The Museum has a restored Ki-27 on display, which crashed in 1945 into the bay of Hakata, next to Fukuoka City, in route from Manchuria to Chiran Air Base in order for a Kamikaze depart. The pilot survived the crash landing, but later made a sortie in another Ki-27. This plane was discovered and pulled out the bay in 1996.

Next to the Ki-27, there's another plane on display outside the Museum, a T-33 training jet derived from the Lockheed F-80

Media

Skins

See also

Related development

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)

Japan premium aircraft
Fighters  Hagiri's A5M4 · A7He1 · Ki-27 otsu Tachiarai
  Ki-44-II otsu · ▅Bf 109 E-7 · ▅F4U-1A · Ki-100-II · Ki-44-I 34
  ▅Fw 190 A-5 · A7M1 (NK9H) · Tada's Ki-61-I hei · ▅P-51C-11-NT
  J2M4 Kai · A6M5 Ko · A6M6c · J2M5 · Ki-87 · J6K1
Twin-engine fighters  Ki-96
Jet fighters  F-86F-40 JASDF▅ · T-2 Early · F-4EJ ADTW
Strike aircraft  ▄AV-8S
Bombers  Ki-21-I hei · Ki-48-II otsu · H8K3 · B7A2 (Homare 23) · ▅B-17E

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