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Kawasaki Ki-102


Derived from the Ki-96 twin-engine single-seat fighter, the Kawasaki Ki-102b was intended as a two-seat attack fighter. Some assemblies of the Ki-96 prototypes were incorporated into the three Ki-102 prototypes, the first completed in March 1944.

A cantilever mid-wing monoplane with a conventional tail unit, retractable tailwheel landing gear and two Mitsubishi Ha-112-11 radial engines, the Ki-102 carried a two-man crew in separate enclosed cockpits in tandem.

The prototypes were followed by the construction of 20 pre-production aircraft and in October 1944 the type was ordered into production.

Kawasaki modified six of the preproduction Ki-102s to serve as prototypes of a twin-engine high-altitude fighter for the Imperial Japanese Army. This differed from the attack fighter by having improved two-seat accommodation, a revised tail unit and Mitsubishi Ha-112-IIru engines with turbochargers. Successful testing of this version in mid-1944 resulted in a high-priority production order, but problems with the turbocharged engine resulted in only about 15 being delivered to the army before the war ended.

The design had also been revised to produce a night-fighter version under the designation Ki-102c, but only two examples were completed. These had increased wing span, a lengthened fuselage, redesigned tail surfaces, primitive AI radar, and armament of two 30mm Ho-105 cannon in the underfuselage and two 20mm Ho-5 cannon mounted obliquely in the fuselage to fire forward and upward.


Twenty Ki.102b were built with one 57mm and two 20mm cannon, one 12.7mm machine gun and provision for 1100 lb of bombs. Maximum range was 1243 miles and ceiling just over 36,000 ft.

Ki-102b aircraft, which were allocated the Allied codename 'Randy', saw comparatively little service, some being used in action over Okinawa, but the majority were held in reserve in Japan.


Engines: 2 x Mitsubishi Ha-112-II, 1125kW
Wingspan: 15.57 m / 51 ft 1 in
Length: 11.45 m / 37 ft 7 in
Height: 3.7 m / 12 ft 2 in
Wing area: 34 sq.m / 365.97 sq ft
Max take-off weight: 7300 kg / 16094 lb
Empty weight: 4950 kg / 10913 lb
Max. speed: 580 km/h / 360 mph
Ceiling: 13500 m / 44300 ft
Range: 2000 km / 1243 miles
Armament: 1 x 57mm cannon, 1 x 12.7mm machine-guns
Crew: 2



Kawasaki Ki-102 Randy



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