Nakajima Ki-12

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Ki-12
Type prototype fighter aircraft
Manufacturer Nakajima Aircraft Company
Maiden flight 1936
Primary user IJA Air Force

The Nakajima Ki-12 (キ12 (航空機) Ki-jyuni Kokūki?) was a private development Nakajima Aircraft Company after its failure to meet the meet a 1935 requirement issued by the Japanese government for a modern single-seat monoplane fighter with the Ki-11 design.

Contents

[edit] Design & Development

Design work on the Ki-12 was a collaboration been Nakajima engineers and enginees from the French Dewoitine firm, and was heavily-influenced by the Dewoitine D.500 design. Nakajima wanted the new design to be the most technically advanced in Japan.

Based on the Ki-11 airframe, the engine was replaced by a liquid-cooled 610 hp (450 kW) Hispano-Suiza 12Xcrs V engine. The landing gear were fully retractable, and the design introduced the use of slotted flaps. Proposed armament consisted of a 20 mm cannons firing from between the engine cylinders and twin 7.7 mm machine guns.

Although technically advanced and with advantages in speed, range and firepower over other contemporary Japanese fighter designs, the Ki-12 was deemed too heavy and complex by the Imperial Japanese Army Air Force. The IJAAF also felt that the design was lacking in maneuverability.

Although the Army declined to pursue the project, Nakajima continued to refine the design, introducing a simpler version styled the Nakajima Type P.E., which evolved into the successful Ki-27 “Nate” several years later.

[edit] Variants

  • Nakajima Ki-12
initial prototype
  • Nakajima Type P.E.
simplified prototype with fixed landing gear


[edit] Specifications (Ki-12)

General characteristics

  • Crew: 1
  • Length: 8.3 m (27 ft 3.75 in)
  • Wingspan: 11 m (36 ft 1 in)
  • Height: 3.45 m (11 ft 3.8 in)
  • Wing area: 17 m² (183 ft²)
  • Empty weight: 1400 kg (3086 lb)
  • Gross weight: 1900 kg (4189 lb)
  • Powerplant: 1 × Hispano-Suiza 12Xcrs water-cooled engine, 450 kW (610 hp)

Performance

  • Maximum speed: 480 km/h (300 mph)
  • Range: 800 km (500 miles)
  • Service ceiling: 10500 m (34,000 ft)

Armament

[edit] See also

[edit] References

  • Francillon, Rene (1979). Japanese Aircraft of the Pacific War. Putnam. AISN B000OK9ETY. 
  • Mikesh, Robert (1990). Japanese Aircraft 1910-1941. Naval Institute Press. ISBN 1557505632. 

[edit] External links

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Japanese Army Aircraft Designation System

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  • 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  • 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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