Nakajima Ki-11

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The Nakajima Ki-11 (キ11 (航空機) , Ki-jyuichi Kokūki) was an unsuccessful attempt by Nakajima Aircraft Company to meet a 1935 requirement issued by the Japanese government for a modern single-seat monoplane fighter suitable to meet the needs of both the Imperial Japanese Army Air Force and Imperial Japanese Navy Air Service

Design and development

Development of the Ki-11 began as a private venture in 1934, based on a wire-braced low-wing monoplane, inspired by the Boeing P-26 Peashooter. The fuselage wing center section and undercarriage were constructed in duralumin, while the wings and tail were of wood and canvas. The aircraft was powered by a single 410 kW (550 hp) Nakajima Kotobuki Ha-1-3 radial engine. Proposed armament consisted of twin 7.7 mm (.303 in) machine guns firing from between the engine cylinders.^[1]

The Ki-11 was entered into competition with the Kawasaki Ki-10 biplane design. Although technically more advanced and faster than the Kawasaki design, the Imperial Japanese Army command was split between supporters of "maneuverability" and supporters of "speed". The supporters of the "maneuverability" scheme won, and the Ki-10 became the main army fighter until 1937.^[2] Nakajima continued to refine the Ki-11 design, and it re-emerged in the form of the Nakajima Ki-27 "Nate" several years later.^[3]

Nakajima later sold the fourth prototype as AN-1 Communications Aircraft to the Asahi Shimbun newspaper, who registered it as J-BBHA and used it as a liaison and courier plane, and for reconnaissance and news-gathering flights.^[4]

Variants

Nakajima Ki-11

initial prototype (4 built); #4 with enclosed cockpit

Operators

Asahi Shimbun

Specifications (Ki-11)

Data from Famous Airplanes of the World, first series, #76: Army Experimental Fighters (1)^[5]

General characteristics

Crew: 1
Length: 6.89 m (22 ft 7 in)
Wingspan: 10.88 m (35 ft 8 in)
Height: 3.33 m (10 ft 11 in)
Wing area: 19.1 m² (205.6 ft²)
Empty weight: 1,269 kg (2,798 lb)
Gross weight: 1,560 kg (3,440 lb)
Powerplant: 1 × Nakajima Ha-1-3 Kotobuki air-cooled radial engine, 410 kW (550 hp) each

Performance

Maximum speed: 420 km/h (262 mph)
Range: 410 km ( miles)
Service ceiling: 10,200 m ( ft)

Armament

2 × 7.7 mm (.303 in) Type 89 machine guns

References

Notes

↑ Wieliczko and Szeremeta 2004, pp. 9–10.
↑ Wieliczko and Szeremeta 2004, pp. 10–11.
↑ Mikesj and Abe 1990, p. 218.
↑ Mikesj and Abe 1990, p. 219.
↑ FAOW 1976, p. 2.

Bibliography

Francillon, Ph.D., René J. (1979). Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd. ISBN 0-370-30251-6.
Mikesh, Robert C.; Shorzoe Abe (1990). Japanese Aircraft, 1910-1941. Annapolis, MD: Naval Institute Press. ISBN 1-55750-563-2. Cite uses deprecated parameters (help)
Unknown author. Famous Airplanes of the World, first series, #76: Army Experimental Fighters (1). Tokyo: Bunrin-Do, August 1976.
Unknown author. Famous Airplanes of the World, second series, #24: Army Experimental Fighters. Tokyo: Bunrin-Do, September 1990.
Wieliczko, Leszek A. and Zygmunt Szeremeta. Nakajima Ki 27 Nate (bilingual Polish/English). Lublin, Poland: Kagero, 2004. ISBN 83-89088-51-7.

External links

Wikimedia Commons has media related to Nakajima military aircraft.

Russian site

Aircraft produced by Nakajima Aircraft Company

Imperial Japanese Navy types

Carrier fighters	A1N A2N A3N A4N

Carrier Torpedo Bombers	B3N B4N B5N B6N

Reconnaissance aircraft	C2N C3N C6N

Reconnaissance floatplanes	E2N E4N E8N

Land-based Attack Bombers	G5N G8N G10N

Interceptors	J1N J5N J9Y

Transports	L1N

Floatplane fighter	A6M2-N

Other	LB-2

Imperial Japanese Army types

Army type-year	type 91 fighter type 94 reconnaissance aircraft type 95 training aircraft type 97 fighter type 97 transport type 100 heavy bomber type 1 fighter type 2 single-seat fighter type 4 fighter

Kitai (airframe #)	Ki-4 Ki-6 Ki-8 Ki-11 Ki-12 Ki-19 Ki-27 Ki-34 Ki-43 Ki-44 Ki-49 Ki-58 Ki-62 Ki-63 Ki-80 Ki-84 Ki-87 Ki-106 Ki-115 Ki-201

WW2 Allied reporting names

v t e Imperial Japanese Army Air Force aircraft designations

1-50	Ki-1 Ki-2 Ki-3 Ki-4 Ki-5 Ki-6 Ki-7 Ki-8 Ki-9 Ki-10 Ki-11 Ki-12 Ki-13 Ki-14 Ki-15 Ki-16 Ki-17 Ki-18 Ki-19 Ki-20 Ki-21 Ki-22 Ki-23 Ki-24 Ki-25 Ki-26 Ki-27 Ki-28 Ki-29 Ki-30 Ki-31 Ki-32 Ki-33 Ki-34 Ki-35 Ki-36 Ki-37 Ki-38 Ki-39 Ki-40 Ki-41 Ki-42 Ki-43 Ki-44 Ki-45 Ki-46 Ki-47 Ki-48 Ki-49 Ki-50

51-100	Ki-51 Ki-52 Ki-53 Ki-54 Ki-55 Ki-56 Ki-57 Ki-58 Ki-59 Ki-60 Ki-61 Ki-62 Ki-63 Ki-64 Ki-66 Ki-67 Ki-68 Ki-69 Ki-70 Ki-71 Ki-72 Ki-73 Ki-74 Ki-75 Ki-76 Ki-77 Ki-78 Ki-79 Ki-80 Ki-81 Ki-82 Ki-83 Ki-84 Ki-85 Ki-86 Ki-87 Ki-88 Ki-89 Ki-90 Ki-91 Ki-92 Ki-93 Ki-94 Ki-95 Ki-96 Ki-97 Ki-98 Ki-99 Ki-100

100-	Ki-101 Ki-102 Ki-103 Ki-105 Ki-106 Ki-107 Ki-108 Ki-109 Ki-110 Ki-111 Ki-112 Ki-113 Ki-114 Ki-115 Ki-116 Ki-117 Ki-118 Ki-119 Ki-148 Ki-167 Ki-174 Ki-200 Ki-201 Ki-202 Ki-230

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Military	Air forces Weapons Experimental Missiles Unmanned

Accidents/incidents	Commercial airliners by location Fatalities by death toll General aviation Military

Records	Airspeed Altitude Distance Endurance Firsts Large Most-produced aircraft Most-produced rotorcraft

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