Difference between revisions of "Ki-21-Ia"

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(Updated as of 1.89.1.33)
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{{Specs-Card|code=ki_21_1ko}}
 
{{Specs-Card|code=ki_21_1ko}}
−
{{Notice|''This page is about the aircraft '''{{PAGENAME}}'''. For the gift version, see [[Ki-21-I hei]]''}}
+
{{About
 +
| about = Japanese bomber '''{{PAGENAME}}'''
 +
| usage = the gift version
 +
| link = Ki-21-I hei
 +
}}
  
 
== 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.'' -->
−
 
 
 
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
 
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
 
{{break}}
 
{{break}}
−
The '''{{Specs|name}}''' is a Rank {{Specs|rank}} Japanese medium bomber {{Battle-rating}}. It was introduced in [[Update 1.49 "Weapons of Victory"]].
+
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Japanese bomber {{Battle-rating}}. It was introduced in [[Update 1.49 "Weapons of Victory"]].
  
−
The Ki-21-Ia's role is a low-altitude medium bomber capable of destroying ground targets such as pillboxes and tanks. Although hindered by a low total bomb capacity, this aircraft is renowned for its impressive maneuverability. This being said, it is very easy for the Ki-49 to hover above an area and drop all of its payload rather quickly. The main targets of this bomber should be ground targets. The preferred naval targets of this plane should be destroyers and cargo ships, do not try to attack large vessels like carriers and battleships as your weak payload would not be strong enough to sink the vessel.
+
The Ki-21-Ia's role is a low-altitude medium bomber capable of destroying ground targets such as pillboxes and tanks. Although hindered by a low total bomb capacity, this aircraft is renowned for its impressive manoeuvrability. This being said, it is very easy for the Ki-21 to hover above an area and drop all of its payload rather quickly. The main targets of this bomber should be ground targets. The preferred naval targets of this plane should be destroyers and cargo ships, do not try to attack large vessels like carriers and battleships as your weak payload would not be strong enough to sink the vessel.
 +
 
 +
With light turret armament, the Ki-21 is a plane that would probably perform its role as a bomber best at higher altitudes. The different bomb layouts on the plane add a degree of versatility, with the 20 x 50 kg bombs allowing the plane to take out a lot of ground targets effectively. Though, if the plane were dragged into higher rank matches the bomb load would be pretty ineffective against ground vehicles and wouldn't be very efficient against bases. For bases, naturally the best payload option would be the 2 x 500 kg bombs. For an early-rank bomber, it does its job well and though it lumbers through the air from time to time, it is much more manoeuvrable than the other Japanese equivalent at this rank, the [[H6K4]].
  
−
With light turret armament, the Ki-21 is a plane that would probably perform it's role as a bomber best at higher altitudes. The different bomb layouts on the plane add a degree of versatility, with the 20 x 50-kilogram bombs allow the plane to take out a lot of ground targets effectively. Though, if the plane were dragged into higher rank matches the bomb load would be pretty ineffective against ground vehicles and wouldn't be very efficient against bases. For bases, naturally the best payload option would be the 2 x 500 kg bombs. For an early-rank bomber, it does it's job well and though it lumbers through the air from time to time, it is much more maneuverable than the other Japanese equivalent at this rank, the H6K4.
 
 
== General info ==
 
== General info ==
−
=== Flight Performance ===
+
=== Flight performance ===
−
<!--''Describe how the aircraft behaves in the air. Maximum speed, maneuverability, speed 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.''
 +
 
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
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! colspan="8" | ''Stock''
 
! colspan="8" | ''Stock''
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 8,600 m)
+
! colspan="2" | Max Speed<br>(km/h at 400 m)
 
! rowspan="2" | Max altitude<br>(meters)
 
! rowspan="2" | Max altitude<br>(meters)
 
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Rate of climb<br>(meters/second)
 
! colspan="2" | Rate of climb<br>(meters/second)
−
! rowspan="2" |Take-off run<br>(meters)
+
! rowspan="2" | Take-off run<br>(meters)
 
|-
 
|-
 
! AB
 
! AB
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! RB
 
! RB
 
|-
 
|-
−
| 410 || 400 || {{Specs|ceiling}} || 15.1 || 15.5 || 1.4 || 3.1 || 600
+
| 413 || 398 || {{Specs|ceiling}} || 14.7 || 15.2 || 3.1 || 3.1 || 600
 
|-
 
|-
 
! colspan="8" | ''Upgraded''
 
! colspan="8" | ''Upgraded''
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 8,600 m)
+
! colspan="2" | Max Speed<br>(km/h at 400 m)
−
! rowspan="2" |Max altitude (meters)
+
! rowspan="2" | Max altitude<br>(meters)
−
! colspan="2" | Turn time (seconds)
+
! colspan="2" | Turn time<br>(seconds)
 
! colspan="2" | Rate of climb<br>(meters/second)
 
! colspan="2" | Rate of climb<br>(meters/second)
−
! rowspan="2" |Take-off run (meters)
+
! rowspan="2" | Take-off run<br>(meters)
 
|-
 
|-
 
! AB
 
! AB
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! RB
 
! RB
 
|-
 
|-
−
| 454 || 432 || {{Specs|ceiling}} || 13.0 || 14.0 || 12.5 || 5.9 || 600
+
| 454 || 432 || {{Specs|ceiling}} || 13.6 || 14.0 || 9.8 || 5.9 || 600
 
|-
 
|-
 
|}
 
|}
  
−
====Details====
+
==== Details ====
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
 
! colspan="5" | Features
 
! colspan="5" | Features
 
|-
 
|-
−
! Combat flap
+
! Combat flaps
−
! Take-off flap
+
! Take-off flaps
−
! Landing flap
+
! Landing flaps
 
! Air brakes
 
! Air brakes
 
! Arrestor gear
 
! Arrestor gear
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! rowspan="2" | Wing-break speed<br>(km/h)
 
! rowspan="2" | Wing-break speed<br>(km/h)
 
! rowspan="2" | Gear limit<br>(km/h)
 
! rowspan="2" | Gear limit<br>(km/h)
−
! rowspan="2" | Combat flap<br> (km/h)
+
! rowspan="2" | Combat flaps<br>(km/h)
 
! colspan="2" | Max Static G
 
! colspan="2" | Max Static G
 
|-
 
|-
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! -
 
! -
 
|-
 
|-
−
| {{Specs|разрушение|конструкции}} || {{Specs|разрушение|шасси}} || 450 || ~4 || ~3
+
| {{Specs|destruction|constructions}} || {{Specs|destruction|chassis}} || 450 || ~7 || ~2
 
|-
 
|-
 
|}
 
|}
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! Radiator<br>(km/h)
 
! Radiator<br>(km/h)
 
|-
 
|-
−
| < 260 || < 260 || < 260 || > 180
+
| < 260 || < 260 || < 260 || > 320
 
|-
 
|-
 
|}
 
|}
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! WEP Engine power
 
! WEP Engine power
 
|-
 
|-
−
| 3,700 m || 1,780 hp || 2,159 hp
+
| 3,700 m || 890 hp || 1,080 hp
−
|-
 
−
<!--! colspan="3" | Setting 2
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| ?,??? m || ?,??? hp || ?,??? hp  
 
 
|-
 
|-
−
! colspan="3" | Setting 3
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| ?,??? m || ?,??? hp || ?,??? 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.''-->
+
''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.''
−
* No armour plating
 
−
* No armour glazing
 
−
* Critical components located at front of aircraft (fuel, pilot, engine, controls)
 
−
* More fuel tanks located in wings near fuselage
 
  
 
== Armaments ==
 
== Armaments ==
−
=== Offensive armament ===
 
−
<!--''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|MAC 1934 (7.5 mm)}}
 
−
 
−
The '''''{{PAGENAME}}''''' is armed with:
 
−
 
−
* 4 x 7.5 mm [[MAC 1934 (7.5 mm)|MAC 1934]] machine guns (300 rpg = 1,200 total)
 
−
 
 
=== Suspended armament ===
 
=== Suspended armament ===
−
<!--''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.''-->
+
<!-- ''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.'' -->
−
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;''Main article:&nbsp;'''[[:Category:Suspended armaments|Bombs]]'''''
+
{{main|Army Type 94 GPHE (50 kg)|Army Type 94 GPHE (100 kg)|Army Type 92 GPHE (250 kg)|Army Type 92 GPHE (500 kg)}}
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
−
 
+
* 20 x 50 kg Army Type 94 GPHE bombs (1,000 kg total)
−
* 20 x 50 kg Army Type 94 GPHE bombs
+
* 10 x 100 kg Army Type 94 GPHE bombs (1,000 kg total)
−
* 10 x 100 kg Army Type 94 GPHE bombs
+
* 4 x 250 kg Army Type 92 GPHE bombs (1,000 kg total)
−
* 4 x 250 kg Army Type 92 GPHE bombs
+
* 2 x 500 kg Army Type 92 GPHE bombs (1,000 kg total)
−
* 2 x 500 kg Army Type 92 GPHE bombs
 
  
 
=== Defensive armament ===
 
=== Defensive armament ===
−
<!--''Defensive armament 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.''-->
+
<!-- ''Defensive armament 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.'' -->
−
{{main|Te-1 army (7.7 mm)|Type 89 army (7.7 mm)}}
+
{{main|Type 89 special army (7.7 mm)|Te-1 army (7.7 mm)}}
  
 
The '''''{{PAGENAME}}''''' is defended by:
 
The '''''{{PAGENAME}}''''' is defended by:
 +
* 2 x 7.7 mm Type 89 special army machine guns, dorsal turret (450 rpg = 900 total)
 +
* 1 x 7.7 mm Te-1 army machine gun, nose turret (483 rpg)
 +
* 1 x 7.7 mm Te-1 army machine gun, ventral turret (483 rpg)
  
−
* 1 x 7.7 mm Te-1 machine gun, nose turret (483 rpg)
+
== Usage in battles ==
−
* 1 x 7.7 mm Te-1 Machine gun, ventral turret (483rpg)
+
<!-- ''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).'' -->
−
* 2 x 7.7 mm Type 89 machine guns, dorsal turret (450 rpg = 900 total)
+
If attacked by fighters, it is important to remember and recognize the Ki-21's turning capabilities. It is actually possible to win lateral turn fights against fighters with this aircraft as she is one of the most manoeuvrable bombers if not the most manoeuvrable bomber in game. While the Ki-21's defensive firepower isn't going to deter enemies from attacking, they still can damage enemy planes.
  
−
== Usage in the battles ==
+
This aircraft has the ability to hold up to 1000 kg of bombs in several different variations: 20 x 50 kg, 10 x 100 kg, 4x 250 kg, and 2 x 500 kg. Use the 20 x 50 kg or 10 x 100 kg bombs to attack light tanks and light pillboxes. They are not viable against bigger targets, since direct hits are needed to destroy. This loadout is particularly useful on maps that have an abundance of non-moving targets (light pillboxes) or lightly armoured targets (armoured cars or AA trucks for example). Use either of the 4 x 250 kg or 2 x 500 kg payload to destroy heavier targets such as medium tanks, pillboxes, destroyers, and cargo ships.
−
<!--''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).''-->
 
−
If attacked by fighters, it is important to remember and recognize the Ki-21's turning capabilities. It is actually possible to win lateral turn fights against fighters with this aircraft as she is one of the most maneuverable bombers if not the most maneuverable bomber in game. While the Ki-21's defensive firepower isn't going to deter enemies from attack you, they still can damage enemy planes.
 
  
−
This aircraft has the ability to hold up to 1000 kg of bombs in several different variations. 20 x 50 kg  bombs, 10 x 100 kg, 4x 250 kg bombs, and 2 x 500 kg bomb. Use the 20 x 50 kg or 10 x 100 kg bombs to attack light tanks and light pillboxes. They are not viable against bigger targets, since direct hits are needed to destroy. This load out is particularly useful on maps have an abundance on non moving targets (light pillboxes) or lightly armoured targets (armoured cars or AA trucks for example). Use either of the 4 x 250 kg or 2 x 500 kg payload to destroy heavier targets such as medium tanks, pillboxes, destroyers, and cargo ships.
+
Although unconventional, this aircraft is a fantastic weapon if you want to bait the enemy. Ideally, you would want to attract a higher flying enemy down to you and to get into a turn fight. This way, depending on the enemy aircraft you can out manoeuvre and distract him while teammates fly down to finish him off.
  
−
Although unconventional, this aircraft is a fantastic weapon if you want to bait the enemy. Ideally, you would want to attract a higher flying enemy down to you and to get into a turn fight. This way, depending on the enemy aircraft you can out maneuver and distract him while teammates fly down to finish him off.
+
You should avoid any plane with cannons as this plane, while it is reasonably durable, does not like to take hits from cannon rounds. The plane that should be feared the most is the [[LaGG-3-34]] which has the 37 mm cannon with the ''Air targets'' belts, as a single round from the 37 mm cannon will either cripple the Ki-21 or destroy it immediately.
  
−
The planes that you should avoid is any plane with cannons as this plane while it is durable does not like to take hits from cannon rounds. The plane that should be feared the most is the LaGG-3-34 which has the 37 mm cannon with the Air Target belts as 1 round from the 37 mm cannon will either cripple the Ki-21 or destroy it immediately.
+
=== Manual Engine Control ===
−
 
 
−
===Manual Engine Control===
 
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
 
! colspan="7" | MEC elements
 
! colspan="7" | MEC elements
 
|-
 
|-
−
! rowspan="2" |Mixer
+
! rowspan="2" | Mixer
−
! rowspan="2" |Pitch
+
! rowspan="2" | Pitch
−
! colspan="3" |Radiator
+
! colspan="3" | Radiator
−
! rowspan="2" |Supercharger
+
! rowspan="2" | Supercharger
−
! rowspan="2" |Turbocharger
+
! rowspan="2" | Turbocharger
 
|-
 
|-
 
! Oil
 
! Oil
 
! Water
 
! Water
−
! Type  
+
! Type
 
|-
 
|-
−
| Controllable || rowspan="2" | Not controllable || rowspan="2" | Not controllable || rowspan="2" | Not controllable || rowspan="2" | Separate || rowspan="2" | Not ontrollable || rowspan="2" | Not controllable
+
| Not controllable || rowspan="2" | Not controllable<br>Not auto controlled || rowspan="2" | Controllable<br>Auto control available || rowspan="2" | Controllable<br>Auto control available || rowspan="2" | Separate || rowspan="2" | Not controllable<br>1 gear || rowspan="2" | Not controllable
 
|-
 
|-
 
|}
 
|}
  
−
===Modules===
+
=== Modules ===
 
{| class="wikitable"
 
{| class="wikitable"
−
!colspan = "1"| Tier
+
! colspan="1" | Tier
−
!colspan = "2"| Flight performance
+
! colspan="2" | Flight performance
−
!colspan = "1"| Survivability
+
! colspan="1" | Survivability
−
!colspan = "2"| Weaponry
+
! colspan="2" | Weaponry
 
|-
 
|-
 
| I
 
| I
−
| Fuselage Repair
+
| Fuselage repair
 
| Radiator
 
| Radiator
−
|  
+
|
 
| Turret 7 mm
 
| Turret 7 mm
 
| 12 in (mod30)
 
| 12 in (mod30)
 
|-
 
|-
 
| II
 
| II
−
|  
+
|
 
| Compressor
 
| Compressor
 
| Airframe
 
| Airframe
−
| New 7 mm MGs (Turret)
+
| New 7 mm MGs (turret)
−
|  
+
|
 
|-
 
|-
 
| III
 
| III
−
| Wings Repair
+
| Wings repair
 
| Engine
 
| Engine
−
|  
+
|
 
| Turret 7 mm
 
| Turret 7 mm
 
| 14 in (mod30)
 
| 14 in (mod30)
 
|-
 
|-
 
| IV
 
| IV
−
|  
+
|
−
| Engine Injection
+
| Engine injection
 
| Cover
 
| Cover
−
| New 7 mm MGs (Turret)
+
| New 7 mm MGs (turret)
−
|  
+
|
 
|-
 
|-
 
|}
 
|}
 +
 
* Being a bomber, speed is not necessarily an important attribute, however payload and defensive armament is. Upgrading the bombs allows for more target flexibility and damage potential while turret upgrades will help survivability. the turret belts and the "new turrets" upgrades are useful. The "new turrets" upgrade will allow you to fire the turrets for longer periods of time and having access to multiple ammunition belts is also helpful. The engine upgrades are also useful in that they will help you reach your target faster and will control engine temperature. Having all of the weapons upgrades will help drastically in unlocking the other modules on this aircraft. Getting the airframe module does help in survivability as it helps your plane's durability.
 
* Being a bomber, speed is not necessarily an important attribute, however payload and defensive armament is. Upgrading the bombs allows for more target flexibility and damage potential while turret upgrades will help survivability. the turret belts and the "new turrets" upgrades are useful. The "new turrets" upgrade will allow you to fire the turrets for longer periods of time and having access to multiple ammunition belts is also helpful. The engine upgrades are also useful in that they will help you reach your target faster and will control engine temperature. Having all of the weapons upgrades will help drastically in unlocking the other modules on this aircraft. Getting the airframe module does help in survivability as it helps your plane's durability.
 +
 
=== 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:'''
 
* Very manoeuvrable
 
* Very manoeuvrable
−
* Extensive bomb load for a Rank I Japanese bombe
+
* Extensive bombload for a rank I Japanese bomber
 
* Decent cruising speed
 
* Decent cruising speed
 
* Durable, can take some hits
 
* Durable, can take some hits
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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 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/Name-vehicles/historical reference) and add a link to it here using the <code>main</code> template. Be sure to include links to sources at the end of the article.''-->
+
<!-- ''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).'' -->
 
In 1936, the Imperial Japanese Army Air Service issued a requirement for a new heavy bomber to replace two previous models. This new heavy bomber had to have a crew of four to six men, a top speed of 400 km/h (250 mph), had to be able to carry a bomb load greater than 750 kg (1,650 lb), had to be able to climb to altitude in less than 8 minutes, and had to take off in less than 300 m (980 ft). The new bomber also had to utilize Nakajima Ha-5 or Mitsubishi Ha-6 engines and had to contain specific models of radios, among many other specifications. These requirements were quite extensive and there weren't many heavy bombers in existence at the time that could perform at these standards.
 
In 1936, the Imperial Japanese Army Air Service issued a requirement for a new heavy bomber to replace two previous models. This new heavy bomber had to have a crew of four to six men, a top speed of 400 km/h (250 mph), had to be able to carry a bomb load greater than 750 kg (1,650 lb), had to be able to climb to altitude in less than 8 minutes, and had to take off in less than 300 m (980 ft). The new bomber also had to utilize Nakajima Ha-5 or Mitsubishi Ha-6 engines and had to contain specific models of radios, among many other specifications. These requirements were quite extensive and there weren't many heavy bombers in existence at the time that could perform at these standards.
  
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== Media ==
 
== Media ==
−
''An excellent addition to the article will be video guides, as well as screenshots from the game and photos.''
+
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
  
−
== Read also ==
+
== See also ==
−
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example,''
+
''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 aircraft encyclopedia;''
+
* ''encyclopedia page on the aircraft;''
 
* ''other literature.''
 
* ''other literature.''
  
 
{{Japan bombers}}
 
{{Japan bombers}}

Revision as of 10:31, 7 June 2019

Rank VI USSR | Premium | Golden Eagles
Su-25K Pack
Ki-21-Ia
ki_21_1ko.png
Ki-21-Ia
Japan flag.png Japan
I Rank
Battle rating:
AB RB SB
2.0 1.7 1.7
Class:
Research:4 000 Specs-Card-Exp.png
Purchase:2 100 Specs-Card-Lion.png
Show in game
This page is about the Japanese bomber Ki-21-Ia. For the gift version, see Ki-21-I hei.

Description

GarageImage Ki-21-Ia.jpg


The Ki-21-Ia is a rank I Japanese bomber with a battle rating of 2.0 (AB) and 1.7 (RB/SB). It was introduced in Update 1.49 "Weapons of Victory".

The Ki-21-Ia's role is a low-altitude medium bomber capable of destroying ground targets such as pillboxes and tanks. Although hindered by a low total bomb capacity, this aircraft is renowned for its impressive manoeuvrability. This being said, it is very easy for the Ki-21 to hover above an area and drop all of its payload rather quickly. The main targets of this bomber should be ground targets. The preferred naval targets of this plane should be destroyers and cargo ships, do not try to attack large vessels like carriers and battleships as your weak payload would not be strong enough to sink the vessel.

With light turret armament, the Ki-21 is a plane that would probably perform its role as a bomber best at higher altitudes. The different bomb layouts on the plane add a degree of versatility, with the 20 x 50 kg bombs allowing the plane to take out a lot of ground targets effectively. Though, if the plane were dragged into higher rank matches the bomb load would be pretty ineffective against ground vehicles and wouldn't be very efficient against bases. For bases, naturally the best payload option would be the 2 x 500 kg bombs. For an early-rank bomber, it does its job well and though it lumbers through the air from time to time, it is much more manoeuvrable than the other Japanese equivalent at this rank, the H6K4.

General info

Flight performance

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

Characteristics
Stock
Max Speed
(km/h at 400 m) 		Max altitude
(meters) 		Turn time
(seconds) 		Rate of climb
(meters/second) 		Take-off run
(meters)
AB RB AB RB AB RB
413 398 8600 14.7 15.2 3.1 3.1 600
Upgraded
Max Speed
(km/h at 400 m) 		Max altitude
(meters) 		Turn time
(seconds) 		Rate of climb
(meters/second) 		Take-off run
(meters)
AB RB AB RB AB RB
454 432 8600 13.6 14.0 9.8 5.9 600

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
✓ ✓ ✓ X X
Limits
Wing-break speed
(km/h) 		Gear limit
(km/h) 		Combat flaps
(km/h) 		Max Static G
+ -
450 ~7 ~2
Optimal velocities
Ailerons
(km/h) 		Rudder
(km/h) 		Elevators
(km/h) 		Radiator
(km/h)
< 260 < 260 < 260 > 320
Compressor (RB/SB)
Setting 1
Optimal altitude 100% Engine power WEP Engine power
3,700 m 890 hp 1,080 hp

Survivability and armour

Examine the survivability of the aircraft. Note how vulnerable the structure is and how secure the pilot is, whether the fuel tanks are armoured, etc. Describe the armour, if there is any, and also mention the vulnerability of other critical aircraft systems.

Armaments

Suspended armament

Main articles: Army Type 94 GPHE (50 kg), Army Type 94 GPHE (100 kg), Army Type 92 GPHE (250 kg), Army Type 92 GPHE (500 kg)

The Ki-21-Ia can be outfitted with the following ordnance:

  • 20 x 50 kg Army Type 94 GPHE bombs (1,000 kg total)
  • 10 x 100 kg Army Type 94 GPHE bombs (1,000 kg total)
  • 4 x 250 kg Army Type 92 GPHE bombs (1,000 kg total)
  • 2 x 500 kg Army Type 92 GPHE bombs (1,000 kg total)

Defensive armament

Main articles: Type 89 special army (7.7 mm), Te-1 army (7.7 mm)

The Ki-21-Ia is defended by:

  • 2 x 7.7 mm Type 89 special army machine guns, dorsal turret (450 rpg = 900 total)
  • 1 x 7.7 mm Te-1 army machine gun, nose turret (483 rpg)
  • 1 x 7.7 mm Te-1 army machine gun, ventral turret (483 rpg)

Usage in battles

If attacked by fighters, it is important to remember and recognize the Ki-21's turning capabilities. It is actually possible to win lateral turn fights against fighters with this aircraft as she is one of the most manoeuvrable bombers if not the most manoeuvrable bomber in game. While the Ki-21's defensive firepower isn't going to deter enemies from attacking, they still can damage enemy planes.

This aircraft has the ability to hold up to 1000 kg of bombs in several different variations: 20 x 50 kg, 10 x 100 kg, 4x 250 kg, and 2 x 500 kg. Use the 20 x 50 kg or 10 x 100 kg bombs to attack light tanks and light pillboxes. They are not viable against bigger targets, since direct hits are needed to destroy. This loadout is particularly useful on maps that have an abundance of non-moving targets (light pillboxes) or lightly armoured targets (armoured cars or AA trucks for example). Use either of the 4 x 250 kg or 2 x 500 kg payload to destroy heavier targets such as medium tanks, pillboxes, destroyers, and cargo ships.

Although unconventional, this aircraft is a fantastic weapon if you want to bait the enemy. Ideally, you would want to attract a higher flying enemy down to you and to get into a turn fight. This way, depending on the enemy aircraft you can out manoeuvre and distract him while teammates fly down to finish him off.

You should avoid any plane with cannons as this plane, while it is reasonably durable, does not like to take hits from cannon rounds. The plane that should be feared the most is the LaGG-3-34 which has the 37 mm cannon with the Air targets belts, as a single round from the 37 mm cannon will either cripple the Ki-21 or destroy it immediately.

Manual Engine Control

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

Modules

Tier Flight performance Survivability Weaponry
I Fuselage repair Radiator Turret 7 mm 12 in (mod30)
II Compressor Airframe New 7 mm MGs (turret)
III Wings repair Engine Turret 7 mm 14 in (mod30)
IV Engine injection Cover New 7 mm MGs (turret)
  • Being a bomber, speed is not necessarily an important attribute, however payload and defensive armament is. Upgrading the bombs allows for more target flexibility and damage potential while turret upgrades will help survivability. the turret belts and the "new turrets" upgrades are useful. The "new turrets" upgrade will allow you to fire the turrets for longer periods of time and having access to multiple ammunition belts is also helpful. The engine upgrades are also useful in that they will help you reach your target faster and will control engine temperature. Having all of the weapons upgrades will help drastically in unlocking the other modules on this aircraft. Getting the airframe module does help in survivability as it helps your plane's durability.

Pros and cons

Pros:

  • Very manoeuvrable
  • Extensive bombload for a rank I Japanese bomber
  • Decent cruising speed
  • Durable, can take some hits
  • Above average defensive armament for its BR
  • Internal payload

Cons:

  • Loses effectiveness with altitude
  • No armour
  • Defensive armament is still outclassed by many
  • Falls quickly when attacked by multiple foes
  • Head on attacks are usually fatal because of lack of protection for the pilots

History

In 1936, the Imperial Japanese Army Air Service issued a requirement for a new heavy bomber to replace two previous models. This new heavy bomber had to have a crew of four to six men, a top speed of 400 km/h (250 mph), had to be able to carry a bomb load greater than 750 kg (1,650 lb), had to be able to climb to altitude in less than 8 minutes, and had to take off in less than 300 m (980 ft). The new bomber also had to utilize Nakajima Ha-5 or Mitsubishi Ha-6 engines and had to contain specific models of radios, among many other specifications. These requirements were quite extensive and there weren't many heavy bombers in existence at the time that could perform at these standards.

Mitsubishi produced two prototypes of the Ki-21 to meet these standards. This new design proved superior to the design submitted by Kawasaki but was nearly on-par with Nakajima's submission. In early tests, Nakajima's prototype, the Ki-19 had more reliable engines and a better bombing platform, while the Ki-21 had better overall performance. In later rounds of testing, after the Army Air Service ordered modifications to be made to both prototypes, the Ki-21 came out on top and won the Army's contract for a heavy bomber.

Production began in November 1937 and the bomber began to see action in August 1938. The specific variant seen in game, the Ki-21-Ia, was used on the Chinese front during the Second Sino-Japanese War and against the Soviet Union during the Nomohan Incident. The Ki-21 would start off successfully during early World War 2, but by the end of World War 2 it was relegated to second line duties or kamikaze attacks. Overall 2,064 Mitsubishi Ki-21s of all variants were produced for the Japanese Army Air Force.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

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

External links

Paste links to sources and external resources, such as:

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


Japan bombers
Navy 
Carrier-based attack bomber 
B5N  B5N2
B6N  B6N1 · B6N2 · B6N2a
B7A  B7A2 · B7A2 (Homare 23)
Carrier-based dive bomber 
D3A  D3A1
D4Y  D4Y1 · D4Y2 · D4Y3 Ko
Shipboard Observation seaplane 
F1M  F1M2
Land-based Attack bomber 
G4M  G4M1
G5N  G5N1
G8N  G8N1
Flying boat 
H6K  H6K4
H8K  H8K2 · H8K3
Land-based Bomber 
P1Y  P1Y1
Army 
Light  Ki-32
  Ki-48-II otsu
Heavy  Ki-21-Ia · Ki-21-I hei
  Ki-49-I · Ki-49-IIa · Ki-49-IIb · Ki-49-IIb/L
  Ki-67-I Ko · Ki-67-I otsu
Other countries  ▅B-17E

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