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Nakajima Ki-84-I Tei (キ84-I丁)
The Nakajima Ki-84-I tei aircraft was a Japanese night fighter created in 1944. Two prototypes were created based on the Ki-84-I Ko and Ki-84-I Ostu aircraft, but they do not differ in armament.
History
When the Japanese captured New Britain in 1942, night raids by Allied bombers began on the island. The Japanese Army Air Force tried to counter these attacks with its Ki-44 and Ki-45 interceptors. At a similar time, the Japanese Navy also had similar problems, which in 1943 modernized the J1N1 aircraft into J1N1-S night fighters, which were armed with angled forward cannons, which allowed for easier destruction of enemy bombers. The Japanese army quickly became convinced of the new technology and in 1943 upgraded the Ki-45 to the Tei version. When in 1944 the Ki-84-I Ko aircraft arrived at the base in Rabaul, the Japanese army technicians decided to modify this aircraft in a similar way. The modification consisted in replacing the Ho-103 machine guns with Ho-5 cannons and installing an additional Ho-5 cannon, which was mounted at an upward angle. The first prototype was ready in September 1944. In November, the second prototype of the Ki-84-I Tei was created, this time based on the Ki-84-I Ostu aircraft. It is not known whether the planes were used in combat, but due to the lack of radar, they probably had little success. After the capitulation in Japan in 1945, the Americans found one aircraft in this version at the Rabaul base. The further fate of the Nakajima Ki-84-I Tei aircraft is unknown.
Technical description
The Ki-84-I tei aircraft is based on the Ki-84-I Ko aircraft, but there are a few differences between them, which I will describe here.
- The 12.7mm Ho-103 machine guns were replaced with 20mm Ho-5 cannons (the same as in the Ki-84-I Ostu aircraft)
- Behind the cockpit in the fuselage at an angle of 45 degrees there is a Ho-5 cannon, the barrel of which goes through the cockpit
- In the cockpit, on top of the front cowling, a sight for the Ho-5 cannon was mounted
- The barrel of the cannon is covered with a cylinder on top of which there is an antenna.
- The cockpit cover is modified to have a notch for the cannon cover, and is only able to open 40%
- Behind the cockpit, an inspector is mounted to the Ho-5 cannon
Technical sketches
Detailed presentation of the Ho-5 cannon assembly ^
Partially misrepresentation of the Ki-84-I Tei ^
General characteristics
- Crew: 1
- Length: 9,92 m
- Wingspan: 11,24 m
- Height: 3,38 m
- Wing area: 21,00 m2
- Empty weight: 2,830 kg (?)
- Gross weight: 4,1007 kg (?)
- Powerplant: 1 × Nakajima Homare Model Ha-45-21 18-cylinder air-cooled radial piston engine, 1,522 kW (2,041 hp)
Performance
- Maximum speed: 543 km/h (?)
- Range: 1520 km (?)
- Maximum Range: 2960 km (?)
- Service ceiling: 10,200 m
- Time to Climb to: 5 minutes to 5,000 m (?)
Armament
- Guns:
- 4 x 20mm Ho-5 Cannon (150 rounds per cannon) (in the nose and wings)
- 1 x 20mm Ho-5 Cannon (300 rounds) (Behind the cockpit at a 45-degree angle)
- Bombs:
- 2 x 50 kg
- 2 x 100 kg
- 2 x 250 kg
- Fuel dump tanks:
- 2 x 150 L dump tanks under wings
Summary
The Ki-84-I Tei aircraft is a very interesting aircraft for Japan in War Thunder. With the additional Ho-5 cannon, this aircraft will have an unpleasant surprise for enemy fighters and bombers. I encourage you to discuss in the comments and to share your own knowledge on this subject.
Finally, I apologize for the linguistic and logical errors because unfortunately English is not my main language and I had to use google translator.
Internet sources
四式戦闘機 - Wikipedia
Nakajima Ki-84 - Wikipedia
Nakajima Ki-84-I ‘Tei’ (疾風) - Night Fighter - Passed for Consideration - War Thunder - Official Forum
Asisbiz Nakajima Ki-84 Hayate Hei technical drawing 1.48 scale
ki-84:簡介,技術特點,數據參數,武器裝備,技術數據,性能數據,發展歷程,型號_中文百科全書 (newton.com.tw)
軍艦堂 1/72 四式戦闘機 疾風 (waterline.sakura.ne.jp)
Nakajima Ki-84 Hayate. TopDrawings 52 - Reference material - Britmodeller.com
Nakajima Ki-84 advanced versions and derivatives | Page 2 | Secret Projects Forum
Book sources
- Kagero Monografie 18 Nakajima Ki-84 Hayate
Kagero Monografie 18 Nakajima Ki-84 Hayate | PDF (scribd.com) - Bunrindo - Famous Airplanes of The World 19 - Nakajima Ki-84 ‘Hayate’ Army Type 4 Fighter | PDF (scribd.com)
