Nakajima Ki-43-II Hayabusa
| GENERAL DATA | |||
| Other Designation(s) | Hayabusa
= Peregrine Falcon, Army Type 1 Fighter, Oscar (Allied reporting
name) |
||
| Type | Fighter,
Fighter bomber |
Crew | 1 |
| Manufacturer(s) | Nakajima Hikoki
K.K. at Ota, Tachikawa Hikoki K.K. at Tachikawa, 1st Army Air Arsenal |
||
| Production | Ki-43-II prototype:
5, Ki-43-II service trials: 3, Ki-43-II
/ Ki-43-III: 5190 November 1942 - October 1944 (Nakajima), May 1943 - August 1945 (Tachikawa) |
||
| Prototype first flight | Early January 1939 (prototype) |
Introduction | October 1941 (Ki-43-I) |
| Variants | |||
| Ki-43-II prototype | Had a two speed super charged Ha-115 engine (1,150 HP). There was a constant speed three bladed propeller. | ||
| Ki-43-II-Ko | Mostly used as a fighter bomber. | ||
| Ki-43-IIa | Army Type 1 Fighter Model 2A: The wing was "clipped". Windscreen and canopy were altered. 13 mm armor protection for the pilot was added. Crude self sealing fuel tanks were installed. Hard points under wings. | ||
| Ki-43-IIb-Otsu | Army Type 1 Fighter Model 2B: Had 2: 12.7 mm machine guns in wings. Hard points in wings were repositioned. | ||
| Ki-43-II KAI | To make production easier airframe modifications were made. | ||
| DIMENSIONS | |||
| Empty Weight | 1910 kg |
Loaded Weight | 2590 kg |
| Maximum Takeoff Weight | 2925 kg |
Length | 8.92 m |
| Height | 3.27 m |
Wingspan | 10.84 m |
| Wing area | 21.4 m² |
Wing loading | 121 kg/m² |
| ARMAMENT (Ki-43-IIb) | ||||
| Main Gun | Nose* | 2× 12.7 mm (.50 in) Ho-103 |
2 x 270 |
|
| Wings | 2× 12.7 mm (.50 in) Ho-103 |
Ammunition Carried |
2 x 270 |
|
| Secondary Guns | - |
Ammunition Carried | - |
|
| Bombs | 2 x 250 kg bomb |
|||
(*) 2 × fixed, forward-firing in the cowl
Armament variations:
Ki-43-II-Ko & Ki-43-IIa:
2× 12.7 mm (0.50 in) Ho-103 MG (nose) only
| POWERPLANT | |||
| Engine | 1 ×
Nakajima Ha-115 |
Type & Displacement | 14-cylinder air-cooled
radial, 27.9 L |
| Horsepower (maximum) | 1150hp
|
Power/Weight Ratio | 444 hp / ton * |
| Fuel Capacity | 564 l (internal),
2x 170 l (external)
|
||
(*) with Loaded Weight
| PERFORMANCES | |||
| Maximum Speed | 536 km/h
at 6000 m |
Cruise Speed | 355 km/h at 4000 m |
| Stall Speed * | ? km/h |
Service Ceiling | 11200 m |
| Rate of Climb | 20 m/s |
Range | 1760 km, 3200 km (ferry range) |
(*) vitesse de décrochage
| Sources | |||
| Wikipédia | - | - |
|
Drawings |
