Mitsubishi Ki-51

Specifications

1st Flight 1939

Crew: 2

Length: 9.21 m (30 ft 3 in)

Wingspan: 12.1 m (39 ft 8 in)

Height: 2.73 m (8 ft 11 in)

Wing area: 24 m2 (260 sq ft)

Empty weight: 1,873 kg (4,129 lb)

Gross weight: 2,798 kg (6,169 lb)

Max takeoff weight: 2,920 kg (6,437 lb)

Powerplant: 1 × Mitsubishi Ha-26-II 14-cylinder air-cooled radial piston engine, 710 kW (950 hp)

Propellers: 3-bladed variable-pitch propeller

Performance

Maximum speed: 424 km/h (263 mph, 229 kn) at 3,000 m (9,843 ft)

Range: 1,060 km (660 mi, 570 nmi)

Service ceiling: 8,270 m (27,130 ft)

Time to altitude: 5,000 m (16,404 ft) in 9 minutes 55 seconds

Wing loading: 117 kg/m2 (24 lb/sq ft)

Power/mass: 0.24 kW/kg (0 hp/lb)

Armament

Guns:

2× fixed, forward-firing 7.7 mm (.303 in) Type 89 machine guns (replaced with 2× 12.7 mm (.5 in) Ho-103 machine guns in later models)

1× 7.7 mm (.303 in) Te-4 Machine gun rearward-firing machine gun.

Bombs: 200 kg (441 lb) bombs (normal operations); 250 kg (551 lb) for suicide operations

Variants

Prototypes: two built

Service trials: 11 built

Ki-51: 2,372 built (Manufacturers: Mitsubishi (1,462), Tachikawa Army Air Arsenal (913) until March 1944

Ki-51B. Assault version with armour and bomb racks to carry 441 lbs of bombs.

It could be fitted with an aerial camera.

Mansyu Ki-71: three prototypes built by Mansyu with retractable landing gear, did not enter production.

Reconnaissance Version Ki-51A

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