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The Nakajima Army Type 91 Fighter was a Japanese fighter of the 1930s. It was a single-engine, single-seat parasol monoplane with a fixed, tailwheel undercarriage.
| Nakajima Army Type 91 Fighter | |
|---|---|
 | |
| Role | Fighter |
| Manufacturer | Nakajima Aircraft Company |
| Introduction | 1931 |
| Retired | 1937 |
| Status | out of service |
| Primary user | Imperial Japanese Army |
| Produced | 1931-1934 |
| Number built | 450[1] |
Development
Designed in response to an Army requirement of 1927, the Type 91 was developed from the NC series of fighter prototypes. The prototype was the sixth machine under that designation but was a fundamentally distinct airframe design. Compared to the earlier NC, the Type 91 had a smaller wing, relocated fuel tank and wing-bracing struts, Townend ring-type cowling, new design tail and undercarriage.[2] It first flew in 1931.
Operational history
The Army ordered the new aircraft as the Nakajima Army Type 91 Fighter and the first deliveries took place late in 1931. However, issues arose with both directional stability and centre of gravity, with the result that the type was delayed entering service.
Between 1931 and 1934, 420 aircraft were constructed (including 100 by Ishikawajima; 23 of the total were Type 91-2, powered by a 432 kW (580 hp) Nakajima Kotobuki 2 radial engine. This version first flew in July 1934.
The Type was supplanted in service by the Kawasaki Army Type 95 Fighter in 1936–1937.
Variants
- Nakajima NC
- prototype & pre-serie version, powered by 336 kW (450 hp) Jupiter radial engine, having a top speed of 268 km/h and larger wing. 8 built.
- Nakajima Army Type 91-1 Fighter
- Main production version, powered by 336 kW - 390 kW (450 hp - 520 hp) Nakajima built Jupiter radial engine.
- Nakajima Army Type 91-2 Fighter
- Improved version, powered by Nakajima Kotobuki. 21 built.
Operators
China
- The Chinese Nationalist Air Force purchased 12 Type 91-1 fighters which would later end up fighting against the Japanese during the Second Sino-Japanese War.
Japan
- Imperial Japanese Army Air Force
Manchukuo
- Manchukuo Imperial Air Force
Survivors
The Tokorozawa Aviation Museum in Tokorozawa, Saitama has a fuselage on display. Also, at a gate of Yanagisawa Shrine in Yamatokōriyama in Nara Prefecture there is a propeller preserved.
Specifications (Nakajima Army Type 91-1 Fighter)
Data from Japanese aircraft 1910-1941,[1] The Complete Book of Fighters [2]
General characteristics
- Length: 7.27 m (23 ft 10 in)
- Wingspan: 11 m (36 ft 1 in)
- Height: 2.79 m (9 ft 2 in)
- Wing area: 20 m2 (220 sq ft)
- Empty weight: 1,075 kg (2,370 lb)
- Gross weight: 1,530 kg (3,373 lb)
- Powerplant: 1 × Nakajima Jupiter VII 9-cylinder air-cooled radial piston engine, 340–390 kW (450–520 hp)
- Propellers: 2-bladed wooden fixed-pitch propeller
Performance
- Maximum speed: 300 km/h (190 mph, 160 kn)
- Endurance: 2 hours
- Service ceiling: 9,000 m (30,000 ft)
- Time to altitude: 3,000 m (9,843 ft) in 4 minutes
- Wing loading: 76.5 kg/m2 (15.7 lb/sq ft)
- Power/mass: 0.2191 kW/kg (0.1333 hp/lb)
Armament
- Guns: 2 × fixed, forward-firing 7.7 mm (0.303 in) machine guns
References
- Mikesh, Robert C; Abe, Shorzoe (1990). Japanese Aircraft 1910-1941. London: Putnam Aeronautical Books. pp. 214–215. ISBN 0-85177-840-2.
- Green, William (1994). The Complete Book of Fighters. Smithmark. ISBN 0-8317-3939-8.
Bibliography
- Andersson, Lennart (2008). A History of Chinese Aviation: Encyclopedia of Aircraft and Aviation in China until 1949. Taipei, Taiwan: AHS of ROC. ISBN 978-957-28533-3-7.
- Passingham, Malcolm (January 1994). "Le chasseur Nakajima Type 91" [The Nakajima Type 91 Fighter]. Avions: Toute l'aéronautique et son histoire (in French) (11): 35–44. ISSN 1243-8650.
На других языках
[de] Nakajima Typ 91
Die Nakajima Typ 91 war ein japanisches Jagdflugzeug des Herstellers Nakajima Hikōki, das von 1931 bis 1937 eingesetzt wurde. Etwa 450 wurden zwischen 1931 und 1934 gebaut und 12 davon an China geliefert. Auch die Luftstreitkräfte des Mandschurischen Kaiserreichs wurden damit ausgerüstet.- [en] Nakajima Army Type 91 Fighter
[fr] Nakajima Type 91
Le Nakajima Type 91 est un avion militaire de l'entre-deux-guerres.[it] Nakajima Type 91
Il Nakajima Type 91 era un aereo da caccia monomotore, monoplano ad ala alta a parasole, sviluppato dall'azienda aeronautica giapponese Nakajima Hikōki KK nei primi anni trenta e utilizzato dal Dai-Nippon Teikoku Rikugun Kōkū Hombu, il servizio aeronautico dell'esercito imperiale giapponese, prima dello scoppio della seconda guerra mondiale.Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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