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Mitsubishi
/ Mitsubishi Ki-57
Mitsubishi Ki-57
The Mitsubishi Ki-57 was a Japanese passenger transport aircraft, developed from the Ki-21 bomber, during the early 1940s.
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.
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.
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.
Specifications
Ki-57-II
Crew
4
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 take-off 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).
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