Mitsubishi Ki-57

Specifications

1st Flight 1940

Crew: 4 (pilot, co-pilot, navigator and radio operator)

Capacity: 11 passengers

Length: 16.1 m (52 ft 10 in)

Wingspan: 22.6 m (74 ft 2 in)

Height: 4.86 m (15 ft 11 in)

Wing area: 70.08 m2 (754.3 sq ft)

Empty weight: 5,585 kg (12,313 lb)

Gross weight: 8,173 kg (18,018 lb)

Max takeoff weight: 9,120 kg (20,106 lb)

Powerplant: 2 × Mitsubishi Ha-102 Zuisei 14-cylinder air-cooled radial engine, 805 kW (1,080 hp) each for take-off

Propellers: 3-bladed variable-pitch propellers

Performance

Maximum speed: 470 km/h (290 mph, 250 kn) at 5,800 m (19,029 ft)

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

Service ceiling: 8,000 m (26,000 ft)

Time to altitude: 5,000 m (16,404 ft) 15 minutes 45 seconds

Wing loading: 116.6 kg/m2 (23.9 lb/sq ft)

Variants

Ki-57-I Army Type 100 Transport Model 1: Powered by two 708 kW (949 hp) Nakajima Ha5 KAI radial engines and a redesigned fuselage to accommodate 11 passengers.

About 100 aircraft of this type were built including the civil version.

MC-20-I: Same as above but built for civil use with Imperial Japanese Airways (Dai Nippon Koku KK).

Ki-57-II Army Type 100 Transport Model 2:Powered by two 805 kW (1,080 hp) Mitsubishi Ha-102 Zuisei 14-cylinder radial engines installed in redesigned nacelles.

Minor equipment and detail refinements were also incorporated.

306 aircraft of this type were produced before the end of production in January 1945.

MC-20-II: Same as above but built for civil use with Imperial Japanese Airways (Dai Nippon Koku KK).

L4M1: A small number of Ki-57-Is were transferred for test by the Japanese navy as transports and were redesignated L4M1.

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