The Kankoh-maru (観光丸, Kankōmaru) is a proposed vertical takeoff and landing (VTVL), single-stage-to-orbit (SSTO), reusable launch system (rocket-powered spacecraft).
According to a document from July 1997, it would have been manufactured by Kawasaki Heavy Industries and Mitsubishi Heavy Industries, with its formal name being the Kawasaki S-1.
Function | Crewed re-usable rocket |
---|---|
Country of origin | Japan |
Size | |
Height | 23.5 m (77 ft) |
Diameter | 18 m (59 ft) |
Mass | 550 t (1,210,000 lb) |
Stages | 1 |
Capacity | |
Payload to LEO | |
Mass | 50 t (110,000 lb) |
Launch history | |
Status | Proposed |
First stage | |
Thrust | 6,888,000 N (1,548,000 lbf) |
Boosters | |
Total thrust | 2,900,000 N (650,000 lbf) |
The concept was created by the Japanese Rocket Society [ja] in 1993. This development cost was estimated ¥3.8 billion (1995) (US$40.4 million) in 1995.
The name Kankō Maru is derived from the first steam-powered vessel in Edo-era Japan.
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