| With interest shown by Japan Air Lines for a civil version of the Mitsubishi Ki-21 bomber, the company built a Mitsubishi Ki-57 prototype, which was flown in August 1940; it differed from the Ki-21 by having low-set monoplane wings and a new fuselage to seat up to 11 passengers. Following satisfactory testing the type was ordered into production for civil and military use under the designations MC-20-1 and Army Type 100 Transport Model 1 respectively (Mitsubishi Ki-57-I), 100 series aircraft being built. The Ki-57-I was superseded from early 1942 by the improved Ki-57-ll, which introduced more powerful Mitsubishi Ha-T02 engines and a number of refinements. This had the civil and military designations MC-20-II and Army Type 100 Transport Model 2
respectively, production totalling 406. A small number of Ki-57-ls transferred for use by the Japanese navy were rede-signated L4M1, and all of these versions had the Allied codename 'Topsy'.
MODEL | Ki-57-II |
CREW | 2 |
PASSENGERS | 15 |
ENGINE | 2 x Army Type 100, 810kW |
WEIGHTS |
Take-off weight | 8173-9120 kg | 18018 - 20106 lb |
Empty weight | 5585 kg | 12313 lb |
DIMENSIONS |
Wingspan | 22.6 m | 74 ft 2 in |
Length | 16.1 m | 53 ft 10 in |
Height | 4.77 m | 16 ft 8 in |
Wing area | 70.08 m2 | 754.33 sq ft |
PERFORMANCE |
Max. speed | 470 km/h | 292 mph |
Ceiling | 8000 m | 26250 ft |
Range w/max.fuel | 3000 km | 1864 miles |
Range w/max payload | 1500 km | 932 miles |
![Mitsubishi Ki-57 / MC-20 / L4M TOPSY](../../pictures/japan/m/mitsubishi_ki-57-m.gif) | A three-view drawing (752 x 908) |
lxbfYeaa, e-mail, 14.03.2024 06:27 20 reply | alan, e-mail, 08.05.2009 16:05 i think it s abad plane for ijn. reply | Sgt.KAR98, 03.01.2009 17:17 Is this one that is showed landing in Letters for Iwo Jima? reply |
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