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The Kayaba Ku-4 was a research aircraft built in Japan in 1940 to investigate the possibilities of tailless designs. It followed designer Hidemasa Kimura's successful Ku-2 and Ku-3 designs for the Imperial Japanese Army. While these previous aircraft had been gliders however the Ku-4 was to be a powered by a pusher engine. It had a low swept wing and like the Ku-2 fins at the wingtips.

The Kayaba Ku-4 was a research aircraft built in Japan in 1940 to investigate the possibilities of tailless designs.1

Made by Kayaba.

Wing Area Sqm
9
Designer
Hidemasa Kimura
Eng 1 Type
piston engine
Eng 1 Kw
90
Status
Cancelled project
Crew
One pilot
Span M
10
Range Km
300
Manufacturer
Kayaba
Range Miles
190
Max Speed Mph
110
Max Speed Kmh
180
Span In
2
Span Ft
32
National Origin
Japan
Wing Area Sqft
97
Met Or Eng
met
Length Ft
11
Eng 1 Hp
120
Eng 1 Number
1
Length In
3
Length M
3
Category
Japanese experimental aircraft 1940-1949
Kayaba aircraft
Tailless aircraft

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