Rikugun Ki-93

1st Flight 1945

The Rikugun Ki-93 was a prototype Japanese twin-engine fighter aircraft of the Second World War.

Designed by the Army Aero technical Research Institute, to be a heavy fighter armed with large calibre cannon to serve in the anti-shipping or bomber destroyer roles, only one example of the Ki-93 was completed, this was damaged on its maiden flight, and destroyed by American bombing before it could be flown again.

Specifications

Crew: 2

Length: 14.215 m (46 ft 8 in)

Wingspan: 19.00 m (62 ft 4 in)

Height: 4.85 m (15 ft 11 in)

Wing area: 54.75 m2 (589.3 sq ft)

Empty weight: 7,686 kg (16,945 lb)

Gross weight: 11,440 kg (25,221 lb)

Powerplant: 2 × Mitsubishi Ha-214 18-cylinder air-cooled radial engine, 1,470 kW (1,970 hp) each (take-off power)

Propellers: 6-bladed VDM, 3.80 m (12 ft 6 in) diameter

Performance

Maximum speed: 624 km/h (388 mph, 337 kn) at 8,300 m (27,200 ft)

Cruise speed: 350 km/h (220 mph, 190 kn) at sea level

Range: 3,000 km (1,900 mi, 1,600 nmi)

Service ceiling: 12,050 m (39,530 ft)

Time to altitude: 9 min 3 sec to 6,000 m (19,700 ft)

Armament

Guns:

1× 57 mm Ho-401 cannon in ventral gondola

2× 20 mm Ho-5 cannon in wing roots

1× 12.7 mm Ho-103 machine gun on flexible mounting in rear cockpit.

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