| 摘要 |
PCT No. PCT/EP93/02888 Sec. 371 Date Nov. 13, 1995 Sec. 102(e) Date Nov. 13, 1995 PCT Filed Oct. 20, 1993 PCT Pub. No. WO95/11161 PCT Pub. Date Apr. 27, 1995A reusable space craft having a disk-shaped casing which receives buoyancy upon horizontal travel through a gas atmosphere and three drive systems on the casing. A first drive system utilizes counter-rotating rotors driven by jet engines on the periphery. A second drive system utilizes a rocket rotor which can swing out from the both of the casing into an inclined position. The third drive system is a main thruster rocket at the center of the bottom fueled by an Si5 to Si9 silane propellant.
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