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Japan's Imperial Army flag

Japan's Kokusai Ki-59 transport, Army Type 1 Transport
Allied Code Name: Theresa

Photos

  • Kokusai Ki-59 transport

 

Design

The Kokusai Ki-59 was based on the Nippon Koku Kogyo K.K. Teradakoken TK-3 that was developed in the late 1930s. The TK-3 met the Japanese Army's requirements for a transport and placed an order in 1939 for prototypes to be constructed.

Prototype

The prototype first flew in June 1939. It was found that the pilot's visibility was impaired and the design was changed.

Production

  • Kokusai Ki-59: 59
    • Manufacturer: Nippon Kokusai Koku Kogyo K.K. at Hiratsuka
    • Production: 1941 - ?

Variants

  • Kokusai Ki-59, Army Type 1 Transport:
  • Ku-8-II, Army Type 4 Large-size Transport Glider: Experimental. Had engines and landing gear removed. Skids were placed under the fuselage.

Specifications

  Kokusai Ki-59
Type Transport
Crew 2 or 3
Passengers 8
Engine (Type) 2: Hitachi Ha-13a, Army Type 98
Cylinders Radial 9
Cooling Air
Net HP 510 each
Propeller blades 3 each
Dimensions  
Span 55' 9 9/32"
17 m
Length 41' 1/8"
12.5 m
Height 10' 1/16"
3.05 m
Wing area 413.333 sq ft
38.4 sq m
Weight  
Empty 6,349 lb
2,880 kg
Loaded 9,083 lb
4,120 kg
Performance  
Speed - Cruising at 6,560' / 2,000 m 186 mph
300 kph

Sources:

  1. Japanese Aircraft of the Pacific War, René J Francillon, 1970
20th Century American Military History Crucial Site