Difference between revisions of "J2M4 Kai"

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{{Specs-Card|code=j2m4_kai}}
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{{About
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{{Notice|''This page is about the aircraft '''{{PAGENAME}}'''. For other uses, see [[J2M_(Disambiguation)|J2M (Disambiguation)]]''}}
+
|about= premium Japanese fighter '''{{PAGENAME}}'''
 +
|usage= other versions
 +
|link= J2M (Family)
 +
}}
 +
{{Specs-Card
 +
|code=j2m4_kai
 +
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
 +
}}
  
 
== 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 '''J2M4 Model 32''', designated as '''Raiden Mod.32 ({{Annotation|雷電三二型|Lightning Bolt, Model 32}})''', was a high-altitude prototype variant of the Raiden series developed to increase the service ceiling and effectiveness at high altitude. It was equipped with a Mitsubishi MK4R-C "Kasei 23C" engine and turbocharger, which lengthened the nose of the plane considerably. With 2 prototypes built, problems with the turbocharger, weight balance, and increased take-off and landing range canceled further development of a Raiden with the Kasei 23C.
  
−
[[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]]
+
It was introduced in [[Update 1.47 "Big Guns"]] as a premium vehicle purchasable in-game with Golden Eagles {{ge}}, but was removed from in-game sale after the [[wt:en/news/7408-news-happy-birthday-war-thunder-en|9th Anniversary Sale]]. It has since been made available temporarily for purchase in-game with Golden Eagles {{GE}} during the [[wt:en/news7549-special-national-foundation-day-in-japan-en|2022 "Day of Japan"]] and [[wt:en/news/8082-special-national-foundation-day-in-japan-en|2023 "National Foundation Day in Japan"]] mini-events. Similar to its replacing variant, the [[J2M5]], the J2M4 boosts its performance over its earlier predecessors by boasting a 1,854 hp engine on top of equipping a turbocharger increasing its efficiency at high altitudes.
−
{{break}}
 
−
The '''{{Specs|name}}''' is a premium Rank {{Specs|rank}} Japanese interceptor {{Battle-rating|3}}. It was introduced in [[Update 1.47 "Big Guns"]] and costs 3,850 Golden Eagles.  
 
  
−
Although a stubby and small aircraft, the Mitsubishi J2M4 Raiden can be considered one of the best Japanese fighters in War Thunder. Unlike its other Naval brethren in the Japanese tech tree, the Raiden possesses a top speed rivaling that of the [[P-51D-5]].
+
;Nicknames:
  
−
Wielding four 20 mm cannons, this aircraft spells death for any enemy it encounters. However, the main advantage the Raiden has over its Allied counterparts is its climb rate. In realistic battles, the J2M4 can climb to altitude very fast, especially when given an air start. Once at a high altitude, this allows the Raiden pilot to pick and choose targets, dictating where and when he or she wants to fight. The J2M4's 20 mm cannons may seem lackluster at first, but they have a knack for [[snapshots]], or quick bursts of fire that result in a kill when maneuvering.
+
* [[Abbreviations#.28IJN.29_Official_name_designation|Official Designation]]: ''雷電 (Raiden, "Lightning Bolt")''
 +
* Allied reporting name: Jack
  
−
Generally, the J2M4 performs similarly to the early Fw 190 A variants, having a deadly armament, good roll rate, low top speed, but higher climb rate. Use what the Raiden does best to achieve success - energy fighting. Instead of turn fighting or bleeding all built up energy or speed in turns, attack enemies from a higher altitude and then regain that altitude once the attack has been delivered. The J2M4 excels at Boom & Zoom due to its high rate of climb and deadly armament, even more so than its earlier variants, the J2M2 and J2M3.
+
== General info ==
−
 
+
=== Flight performance ===
−
The Raiden's main downside is its lack of maneuverability. Similar to its German counterpart, the [[Fw 190 A-8]], the Raiden struggles to beat enemies in turn fights, especially Spitfires. If caught in a sticky situation, the Raiden pilot may choose to dive away or seek help from teammates. Trying to fight an enemy Spitfire in a turn battle with the J2M is a terrible idea, unless the enemy aircraft is damaged or many teammates are nearby. Moreover, the J2M's high speed maneuverability is poor, making the entire aircraft lock up. It can be very difficult to pull out of a dive, roll, or turn when at high speeds with the J2M. The Raiden's maneuverability is more or less on par with its enemies in simulator battles, for the most part.
+
{{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 Raiden pilot may also find him or herself outran by high altitude aircraft such as the [[P-51D-5|P-51 D-5 Mustang]]. All these aircraft have to do to avoid the J2M is dive away and build up speed. Fortunately, the J2M4 has a surprise - a massive ammunition pool totaling 800 rounds. That's 800 rounds of high explosive cannon ammunition that can be dispensed at will towards fleeing enemies. With good aim and practice, it is possible to "snipe" enemies from a kilometer away.
 
  
−
Overall, the Raiden is best used as a surprise attack, high altitude, high damage output fighter. While it does not excel in the speed or maneuverability categories, it makes up for that in armament and rate of climb.
+
{| class="wikitable" style="text-align:center" width="70%"
−
 
+
! rowspan="2" | Characteristics
−
== General info ==
+
! colspan="2" | Max Speed<br>(km/h at 7,000 m)
−
=== Flight Performance ===
+
! rowspan="2" | Max altitude<br>(metres)
−
<!--''Describe how the aircraft behaves in the air. Maximum speed, maneuverability, speed and allowable loads - these are the most important characteristics of the vehicle.''-->
 
−
{| class="wikitable" style="text-align:center"
 
−
|-
 
−
! colspan="8" | Characteristics
 
−
|-
 
−
! colspan="8" | ''Stock''
 
−
|-
 
−
! colspan="2" | Max Speed<br>(km/h at 9,200 m)
 
−
! 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>(metres/second)
−
! rowspan="2" |Take-off run<br>(meters)
+
! rowspan="2" | Take-off run<br>(metres)
−
|-
 
−
! ABN1K2-J
 
−
! RB
 
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
−
|-
 
−
| 543 || 533 || {{Specs|ceiling}} || 20.6 || 21.1 || 7.0 || 9.2 || 300
 
 
|-
 
|-
−
! colspan="8" | ''Upgraded''
+
! AB !! RB !! AB !! RB !! AB !! RB
 
|-
 
|-
−
! colspan="2" | Max Speed<br>(km/h at 9,200 m)
+
! Stock
−
! rowspan="2" |Max altitude (meters)
+
| 611 || 592 || rowspan="2" | {{Specs|ceiling}} || 22.1 || 22.9 || 13.2 || 13.2 || rowspan="2" | 300
−
! colspan="2" | Turn time (seconds)
 
−
! colspan="2" | Rate of climb<br>(meters/second)
 
−
! rowspan="2" |Take-off run (meters)
 
 
|-
 
|-
−
! AB
+
! Upgraded
−
! RB
+
| 664 || 637 || 19.9 || 21.0 || 22.7 || 17.3
−
! AB
 
−
! RB
 
−
! AB
 
−
! RB
 
−
|-
 
−
| ? || ? || {{Specs|ceiling}} || ??.? || ??.? || ??.? || ??.? || 300
 
 
|-
 
|-
 
|}
 
|}
  
−
====Details====
+
==== Details ====
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
 
! colspan="5" | Features
 
! colspan="5" | Features
 
|-
 
|-
−
! Combat flap
+
! Combat flaps !! Take-off flaps !! Landing flaps !! Air brakes !! Arrestor gear
−
! Take-off flap
 
−
! Landing flap
 
−
! Air brakes
 
−
! Arrestor gear
 
 
|-
 
|-
 
| ✓ || ✓ || ✓ || X || X    <!-- ✓ -->
 
| ✓ || ✓ || ✓ || X || X    <!-- ✓ -->
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|}
 
|}
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
−
! colspan="5" | Limits
+
! colspan="7" | Limits
 
|-
 
|-
−
! rowspan="2" | Wing-break speed<br>(km/h)
+
! rowspan="2" | Wings (km/h)
−
! rowspan="2" | Gear limit<br>(km/h)
+
! rowspan="2" | Gear (km/h)
−
<!--! rowspan="2" | Combat flap<br> (km/h)-->
+
! colspan="3" | Flaps (km/h)
 
! colspan="2" | Max Static G
 
! colspan="2" | Max Static G
 
|-
 
|-
−
! +
+
! Combat !! Take-off !! Landing !! + !! -
−
! -
 
 
|-
 
|-
−
| {{Specs|разрушение|конструкции}} || {{Specs|разрушение|шасси}} <!--|| ??? -->|| ~12 || ~9
+
| {{Specs|destruction|body}} || {{Specs|destruction|gear}} || 488 || 454 || 280 || ~10 || ~8
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! colspan="4" | Optimal velocities
+
! colspan="4" | Optimal velocities (km/h)
 
|-
 
|-
−
! Ailerons<br>(km/h)
+
! Ailerons !! Rudder !! Elevators !! Radiator
−
! Rudder<br>(km/h)
 
−
! Elevators<br>(km/h)
 
−
! Radiator<br>(km/h)
 
 
|-
 
|-
−
| < ??? || < ??? || < ??? || > ???
+
| < 390 || < 400 || < 420 || > 324
 
|-
 
|-
 
|}
 
|}
  
−
{| class="wikitable" style="text-align:center"
+
=== Survivability and armour ===
−
|-
+
{{Specs-Avia-Armour}}
−
! colspan="3" | Compressor (RB/SB)
+
<!-- ''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.'' -->
−
|-
 
−
! colspan="3" | Setting 1
 
−
|-
 
−
! Optimal altitude
 
−
! 100% Engine power
 
−
! WEP Engine power
 
−
|-
 
−
| 7,900 m || 1,420 hp || 1,690 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 ===
+
* 70 mm Bulletproof glass - Armoured windscreen
−
<!--''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.''-->
 
−
* 70 mm Bulletproof glass - Armored windscreen
 
 
* 8.5 mm Steel plate in pilot's headrest
 
* 8.5 mm Steel plate in pilot's headrest
 +
 +
=== Modifications and economy ===
 +
{{Specs-Economy}}
  
 
== Armaments ==
 
== Armaments ==
 +
{{Specs-Avia-Armaments}}
 
=== Offensive armament ===
 
=== 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.''
+
{{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.'' -->
 
{{main|Type 99 Model 1 (20 mm)|Type 99 Model 2 (20 mm)}}
 
{{main|Type 99 Model 1 (20 mm)|Type 99 Model 2 (20 mm)}}
  
 
The '''''{{PAGENAME}}''''' is armed with:
 
The '''''{{PAGENAME}}''''' is armed with:
  
−
* 2 x 20 mm Type 99 Model 1 cannon, wing-mounted (190 rpg = 380 total)
+
* 2 x 20 mm Type 99 Model 1 cannons, wing-mounted (190 rpg = 380 total)
−
* 2 x 20 mm Type 99 Model 2 cannon, wing-mounted (150 rpg = 300 total)
+
* 2 x 20 mm Type 99 Model 2 cannons, wing-mounted (150 rpg = 300 total)
 +
 
 +
Wielding four 20 mm cannons, this aircraft can cripple any enemy it encounters. However, the main advantage the Raiden has over its Allied counterparts is its climb rate. In realistic battles, the J2M4 can climb to altitude very fast, especially when given an air start. Once at a high altitude, this allows the Raiden pilot to pick and choose targets, dictating where and when he or she wants to fight. The J2M4's 20 mm cannons may seem lacklustre at first, but they have a knack for snapshots, or quick bursts of fire when manoeuvring.
  
 
=== 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.''-->
+
{{Specs-Avia-Suspended}}
−
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;''Main article:&nbsp;'''[[:Category:Suspended armaments|Bombs]]'''''
+
<!-- ''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.'' -->
 +
{{main|Navy Type 97 Number 6 (60 kg)}}
  
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
 
The '''''{{PAGENAME}}''''' can be outfitted with the following ordnance:
  
 
* Without load
 
* Without load
−
* 2 x 60 kg Navy Type 97 Number 6 ground bombs (120 kg total)
+
* 2 x 60 kg Navy Type 97 Number 6 bombs (120 kg total)
−
<!--
 
−
=== 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.''
 
−
-->
 
−
== Usage in the battles ==
 
−
<!--''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).''-->
 
−
Featuring four 20 mm Type 99 mk 1 cannons with plenty of ammunition, the J2M4 is capable of destroying all kinds of aircraft. Although destroying heavy bombers like the B-29 Superfortress takes a lot of ammunition, the J2M4 can afford to lose some. The "Stealth" belt has the best combination of AP/API and HEF to shred enemy aircraft, and are recommended for those who do not need a tracer shell to aim. Alternatively, for those not used to IJN 20 mms, the "Universal" belt is your best bet. The "Tracer" belt is filled with HEFt shells, but they only contain half of the power of a standard HEF, and can give away your position.
 
  
−
===Manual Engine Control===
+
== 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).'' -->
 +
 
 +
Generally, the J2M4 performs similarly to the early Fw 190 A variants, having a deadly armament, good roll rate, low top speed, but higher climb rate. Use what the Raiden does best to achieve success - energy fighting. Instead of turn fighting or bleeding all built up energy or speed in turns, attack enemies from a higher altitude and then regain that altitude once the attack has been delivered. The J2M4 excels at Boom & Zoom due to its high rate of climb and deadly armament, even more so than its earlier variants, the J2M2 and J2M3.
 +
 
 +
The Raiden's main downside is its lack of manoeuvrability. Similar to its German counterpart, the [[Fw 190 A-8]], the Raiden struggles to beat enemies in turn fights, especially Spitfires. If caught in a sticky situation, the Raiden pilot may choose to dive away or seek help from teammates. Trying to fight an enemy Spitfire in a turn battle with the J2M is a terrible idea, unless the enemy aircraft is damaged or many teammates are nearby. Moreover, the J2M's high speed manoeuvrability is poor, making the entire aircraft lock up. It can be very difficult to pull out of a dive, roll, or turn when at high speeds with the J2M. The Raiden's manoeuvrability is more or less on par with its enemies in simulator battles, for the most part.
 +
 
 +
The Raiden pilot may also find themselves outrun by high altitude aircraft such as the [[P-51D-5|P-51 D-5 Mustang]]. All these aircraft have to do to avoid the J2M is dive away and build up speed. Fortunately, the J2M4 has a surprise - a massive ammunition pool totaling 800 rounds. That's 800 rounds of high explosive cannon ammunition that can be dispensed at will towards fleeing enemies. With good aim and practice, it is possible to "snipe" enemies from a kilometre away.
 +
 
 +
Featuring four 20 mm cannons, 2 Type 99 Mk 1 and 2 Type 99 Mk 2 cannons with plenty of ammunition, the J2M4 is capable of destroying all kinds of aircraft. Although destroying heavy bombers like the B-29 Superfortress takes a lot of ammunition, the J2M4 can afford to lose some. The "Stealth" belt has the best combination of AP/API and HEF to shred enemy aircraft, and are recommended for those who do not need a tracer shell to aim. Alternatively, for those not used to IJN 20 mm cannons, the "Universal" belt is your best bet. The "Tracer" belt is filled with HEFT shells, but they only contain half of the power of a standard HEF, and can give away your position.
 +
 
 +
Overall, the Raiden is best used as a support or surprise intercept, high altitude, high damage output interceptor (not a dedicaded fighter). While it does not excel in the speed, manoeuvrability categories or climbing, it makes up for that in armament. When flown disciplined accordingly the capabillities the succes rate will increase.
 +
 
 +
=== 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 !! Type
−
! Water
 
−
! 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
+
| Controllable || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Controllable<br>Not auto controlled || Separate || Controllable<br>2 gears || Not controllable
−
|-
 
−
|}
 
−
 
 
−
===Modules===
 
−
{| class="wikitable"
 
−
!colspan = "1"| Tier
 
−
!colspan = "2"| Flight performance
 
−
!colspan = "1"| Survivability
 
−
!colspan = "2"| Weaponry
 
−
|-
 
−
| I
 
−
| Fuselage Repair
 
−
| Radiator
 
−
|
 
−
|
 
−
| Offensive 20 mm
 
−
|-
 
−
| II
 
−
|
 
−
| Compressor
 
−
| Airframe
 
−
| Offensive 20 mm
 
−
|
 
−
|-
 
−
| III
 
−
| Wings Repair
 
−
| Engine
 
−
|
 
−
|
 
−
| New 20 mm Cannons
 
−
|-
 
−
| IV
 
−
|
 
−
| Engine Injection
 
−
| Cover
 
−
| New 20 mm Cannons
 
−
|
 
 
|-
 
|-
 
|}
 
|}
  
 
=== 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:'''
 +
 
* Good top speed
 
* Good top speed
 
* Large ammunition pool
 
* Large ammunition pool
Line 234: Line 153:
 
* Has generally good dive characteristics
 
* Has generally good dive characteristics
 
* Good energy retention
 
* Good energy retention
−
* 12 mm armor plate behind windscreen
+
* 12 mm armour plate behind windscreen
 
* Good roll rate at lower speeds
 
* Good roll rate at lower speeds
 
* Decent high altitude performance due to the turbocharger
 
* Decent high altitude performance due to the turbocharger
  
 
'''Cons:'''
 
'''Cons:'''
 +
 
* Very poor high speed performance
 
* Very poor high speed performance
 
* Prone to engine and fuel fires
 
* Prone to engine and fuel fires
 
* Doesn't turn well
 
* Doesn't turn well
 
* Elevator doesn't respond well, especially at high speeds
 
* Elevator doesn't respond well, especially at high speeds
−
* Lack of armor around fuel tanks or engine
+
* Lack of armour around fuel tanks or engine
 
* Differing muzzle velocities between the two marks of the Type 99 cannon on the J2M4 will require you to lead much further than normal as an order to utilize the full effectiveness of the J2M4's firepower
 
* Differing muzzle velocities between the two marks of the Type 99 cannon on the J2M4 will require you to lead much further than normal as an order to utilize the full effectiveness of the J2M4's firepower
  
 
== 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).'' -->
−
The J2M Raiden was the result of the Japanese Navy request for an interceptor, the need of which became ever apparent after the experiences with the American raid on the Japanese homeland shorty after the attack on Pearl Harbor (Doolittle's Raids).
+
{{main|J2M (Family)|l1=History of the J2M}}
  
−
The Chief Designer was Jiro Horikoshi, who also designed the famous A6M fighter. However, unlike the A6M, the J2M was geared for a completely different role, focusing more on rate of climb and speed, then range and maneuverability. The Raiden had only a limited range and was solely used as an interceptor.
+
===Development===
 +
As the development behind the 14-Shi Interceptor ([[J2M2]] and [[J2M3]]) were disappointing in performance and didn't achieve it's projected goal, Mitsubishi set up a new goal with the availability of newer and stronger engines, this would be called under the 14-Shi Kai Interceptor.
  
−
The most important feat of arms came with the American B-29 raids over Japan, where the J2M Raiden proved to be a real threat to the bombers - the J2M was well armed, fast and the large pools of mmmo meant that despite a small number of Raidens, the four squadrons operating them were credited with the destruction of 21 Superfortresses during the later months of August 1944 to the end of the war.
+
Jiro Horikoshi and his team redesigned the nose of the plane to hold the new Kasei 23c engine and with this prototype they achieved the requested goal, this plane would be known as the J2M4, Raiden Model 32. It solved the engine vibrations and the cooling system was more reliable compared to that of the previous models. It would still preserve the same electrical malfunctions to the landing gear which didn't get redesigned as the engine and its performance were a more pressing issue.
−
Furthermore, the J2M2 saw limited action in the Philippines, although it was largely ineffective.
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This progress allowed Mitsubishi to further develop the Raiden and so they would with the Kasei 26a, equipping it in the [[J2M5|J2M5, Raiden Model 33]].
  
 
== Media ==
 
== Media ==
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''An excellent addition to the article will be video guides, as well as screenshots from the game and photos.''
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;Skins
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* [https://live.warthunder.com/feed/camouflages/?vehicle=j2m4_kai Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
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== See also ==
 +
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
  
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== Read also ==
 
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''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.''
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== Sources ==
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== External links ==
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''Paste links to sources and external resources, such as:''
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* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
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* ''page on aircraft encyclopedia;''
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* ''other literature.''
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* [https://forum.warthunder.com/index.php?/topic/216840-mitsubishi-j2m4/ Official data sheet - more details about the performance]
  
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{{AirManufacturer Mitsubishi}}
 
{{Japan fighters}}
 
{{Japan fighters}}
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{{Japan premium aircraft}}

Latest revision as of 10:50, 11 October 2023

Introducing Wiki 3.0
This page is about the premium Japanese fighter J2M4 Kai. For other versions, see J2M (Family).
J2M4 Kai
j2m4_kai.png
GarageImage J2M4 Kai.jpg
ArtImage J2M4 Kai.png
J2M4 Kai
Japan flag.png Japan
IV Rank
Battle rating:
AB RB SB
5.3 5.0 4.3
Class:
PREMIUM
Purchase:Bundle or Gift

Description

The J2M4 Model 32, designated as Raiden Mod.32 (雷電三二型), was a high-altitude prototype variant of the Raiden series developed to increase the service ceiling and effectiveness at high altitude. It was equipped with a Mitsubishi MK4R-C "Kasei 23C" engine and turbocharger, which lengthened the nose of the plane considerably. With 2 prototypes built, problems with the turbocharger, weight balance, and increased take-off and landing range canceled further development of a Raiden with the Kasei 23C.

It was introduced in Update 1.47 "Big Guns" as a premium vehicle purchasable in-game with Golden Eagles Ge icon.png, but was removed from in-game sale after the 9th Anniversary Sale. It has since been made available temporarily for purchase in-game with Golden Eagles Ge icon.png during the 2022 "Day of Japan" and 2023 "National Foundation Day in Japan" mini-events. Similar to its replacing variant, the J2M5, the J2M4 boosts its performance over its earlier predecessors by boasting a 1,854 hp engine on top of equipping a turbocharger increasing its efficiency at high altitudes.

Nicknames

General info

Flight performance

Max speed
at 7 000 m637 km/h
Turn time21 s
Max altitude13 000 m
EngineMitsubishi Ha-32
TypeRadial
Cooling systemAir
Take-off weight4 t
Characteristics Max Speed
(km/h at 7,000 m) 		Max altitude
(metres) 		Turn time
(seconds) 		Rate of climb
(metres/second) 		Take-off run
(metres)
AB RB AB RB AB RB
Stock 611 592 13000 22.1 22.9 13.2 13.2 300
Upgraded 664 637 19.9 21.0 22.7 17.3

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 + -
820 350 488 454 280 ~10 ~8
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 390 < 400 < 420 > 324

Survivability and armour

Crew1 person
Speed of destruction
Structural820 km/h
Gear350 km/h
  • 70 mm Bulletproof glass - Armoured windscreen
  • 8.5 mm Steel plate in pilot's headrest

Modifications and economy

Repair cost
AB1 704 Sl icon.png
RB5 873 Sl icon.png
SB4 882 Sl icon.png
Crew training10 000 Sl icon.png
Experts290 000 Sl icon.png
Aces940 Ge icon.png
Research Aces960 000 Rp icon.png
Reward for battleAB / RB / SB
Talisman.png 2 × 90 / 250 / 450 % Sl icon.png
Talisman.png 2 × 166 / 166 / 166 % 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
type99mk2_belt_pack
Mod arrow 1.png
Mods ammo.png
type99mk1_belt_pack
Mod arrow 1.png
Mods weapon.png
type99mk2_new_gun
Mods weapon.png
type99mk1_new_gun

Armaments

Offensive armament

Weapon 12 x 20 mm Type 99 Model 1 cannon
Ammunition380 rounds
Fire rate516 shots/min
Weapon 22 x 20 mm Type 99 Model 2 cannon
Ammunition300 rounds
Fire rate490 shots/min
Main articles: Type 99 Model 1 (20 mm), Type 99 Model 2 (20 mm)

The J2M4 Kai is armed with:

  • 2 x 20 mm Type 99 Model 1 cannons, wing-mounted (190 rpg = 380 total)
  • 2 x 20 mm Type 99 Model 2 cannons, wing-mounted (150 rpg = 300 total)

Wielding four 20 mm cannons, this aircraft can cripple any enemy it encounters. However, the main advantage the Raiden has over its Allied counterparts is its climb rate. In realistic battles, the J2M4 can climb to altitude very fast, especially when given an air start. Once at a high altitude, this allows the Raiden pilot to pick and choose targets, dictating where and when he or she wants to fight. The J2M4's 20 mm cannons may seem lacklustre at first, but they have a knack for snapshots, or quick bursts of fire when manoeuvring.

Suspended armament

List of setups (1)
Setup 12 x 60 kg Navy Type 97 Number 6 ground bomb
Main article: Navy Type 97 Number 6 (60 kg)

The J2M4 Kai can be outfitted with the following ordnance:

  • Without load
  • 2 x 60 kg Navy Type 97 Number 6 bombs (120 kg total)

Usage in battles

Generally, the J2M4 performs similarly to the early Fw 190 A variants, having a deadly armament, good roll rate, low top speed, but higher climb rate. Use what the Raiden does best to achieve success - energy fighting. Instead of turn fighting or bleeding all built up energy or speed in turns, attack enemies from a higher altitude and then regain that altitude once the attack has been delivered. The J2M4 excels at Boom & Zoom due to its high rate of climb and deadly armament, even more so than its earlier variants, the J2M2 and J2M3.

The Raiden's main downside is its lack of manoeuvrability. Similar to its German counterpart, the Fw 190 A-8, the Raiden struggles to beat enemies in turn fights, especially Spitfires. If caught in a sticky situation, the Raiden pilot may choose to dive away or seek help from teammates. Trying to fight an enemy Spitfire in a turn battle with the J2M is a terrible idea, unless the enemy aircraft is damaged or many teammates are nearby. Moreover, the J2M's high speed manoeuvrability is poor, making the entire aircraft lock up. It can be very difficult to pull out of a dive, roll, or turn when at high speeds with the J2M. The Raiden's manoeuvrability is more or less on par with its enemies in simulator battles, for the most part.

The Raiden pilot may also find themselves outrun by high altitude aircraft such as the P-51 D-5 Mustang. All these aircraft have to do to avoid the J2M is dive away and build up speed. Fortunately, the J2M4 has a surprise - a massive ammunition pool totaling 800 rounds. That's 800 rounds of high explosive cannon ammunition that can be dispensed at will towards fleeing enemies. With good aim and practice, it is possible to "snipe" enemies from a kilometre away.

Featuring four 20 mm cannons, 2 Type 99 Mk 1 and 2 Type 99 Mk 2 cannons with plenty of ammunition, the J2M4 is capable of destroying all kinds of aircraft. Although destroying heavy bombers like the B-29 Superfortress takes a lot of ammunition, the J2M4 can afford to lose some. The "Stealth" belt has the best combination of AP/API and HEF to shred enemy aircraft, and are recommended for those who do not need a tracer shell to aim. Alternatively, for those not used to IJN 20 mm cannons, the "Universal" belt is your best bet. The "Tracer" belt is filled with HEFT shells, but they only contain half of the power of a standard HEF, and can give away your position.

Overall, the Raiden is best used as a support or surprise intercept, high altitude, high damage output interceptor (not a dedicaded fighter). While it does not excel in the speed, manoeuvrability categories or climbing, it makes up for that in armament. When flown disciplined accordingly the capabillities the succes rate will increase.

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

Pros and cons

Pros:

  • Good top speed
  • Large ammunition pool
  • Climbs very well
  • Has generally good dive characteristics
  • Good energy retention
  • 12 mm armour plate behind windscreen
  • Good roll rate at lower speeds
  • Decent high altitude performance due to the turbocharger

Cons:

  • Very poor high speed performance
  • Prone to engine and fuel fires
  • Doesn't turn well
  • Elevator doesn't respond well, especially at high speeds
  • Lack of armour around fuel tanks or engine
  • Differing muzzle velocities between the two marks of the Type 99 cannon on the J2M4 will require you to lead much further than normal as an order to utilize the full effectiveness of the J2M4's firepower

History

Main article: History of the J2M

Development

As the development behind the 14-Shi Interceptor (J2M2 and J2M3) were disappointing in performance and didn't achieve it's projected goal, Mitsubishi set up a new goal with the availability of newer and stronger engines, this would be called under the 14-Shi Kai Interceptor.

Jiro Horikoshi and his team redesigned the nose of the plane to hold the new Kasei 23c engine and with this prototype they achieved the requested goal, this plane would be known as the J2M4, Raiden Model 32. It solved the engine vibrations and the cooling system was more reliable compared to that of the previous models. It would still preserve the same electrical malfunctions to the landing gear which didn't get redesigned as the engine and its performance were a more pressing issue.

This progress allowed Mitsubishi to further develop the Raiden and so they would with the Kasei 26a, equipping it in the J2M5, Raiden Model 33.

Media

Skins

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


Mitsubishi Company (三菱商会)
Fighters  A5M4 · Hagiri's A5M4
  A6M2 mod. 11 · A6M2 · A6M3 · A6M3 mod. 22 · A6M3 mod. 22Ko · A6M5 · A6M5 Ko · A6M5 otsu · A6M5 Hei · A6M6c
  A7M1 (NK9H) · A7M2
  J2M2 · J2M3 · J2M4 Kai · J2M5 · J2M5 (30 mm)
Hydroplanes  F1M2
Interceptors  Ki-83 · Ki-109
Bombers  G4M1
  Ki-21-Ia · Ki-21-I hei · Ki-67-I Ko · Ki-67-I otsu
Jet Fighters  Ki-200
Captured  ▃A6M2 · ␗A6M2
See also  Mitsubishi Heavy Industries, Ltd. (Post-War)

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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