Method and apparatus for propulsion

Details Method and apparatus for propulsion Method and apparatus for propulsion

1998-01-26

2000-07-18

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

With fuel system details

244 62, 244158R, 74 84S, B64G 140

Patent

active

06089511&

ABSTRACT:
A method and apparatus is disclosed for providing a propulsive force to a dynamic body without having to interact with an external mass. The technique is based on an internal exchange of kinetic energy working in concert with the influence of an ancillary force such as gravity to produce a net momentum change in the body. In one embodiment a body may be rotated through space without having to expel propellant or otherwise resort to an interaction with an external mass. In another embodiment, the invention can be used to dampen a swaying motion or vibration of a body such as a tall, earth-bound tower or a beam in a space station when there is no convenient external mass to which the body may be anchored.

REFERENCES:
patent: 3302905 (1967-02-01), Davis

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