Kankoh-maru

	Artist's concept of Kankoh-maru
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	4 t (8,800 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)
	[edit on Wikidata]

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.^[1]

Overview

The concept was created by the Japanese Rocket Society^[ja] in 1993.^[2]^{[need quotation to verify]} This development cost was estimated ¥2.67 trillion ($28 billion) in 1995.^[2]^{[need quotation to verify]}

^ ^a ^b ^c ^d ^e ^f Anderson, Erik (July 1997). "Kankoh-maru Flight Manual". Space Future. Retrieved 2012-08-04.
^ ^a ^b ^c ^d ^e 準軌道宇宙旅行宇宙丸 - 観光丸 [Suborbital space tourism Uchumaru - Kankoh-maru] (in Japanese). uchumaru.com. 2005-04-11. Retrieved 2011-07-24.