Spin ejector. [Patent application]
Spin ejectors and, more particularly, spin ejectors for reentry and orbital vehicles are described. An apparatus for spin launching or ejecting a body comprises a base plate, a main ejection shaft extending perpendicularly from the base plate, a compressible spring disposed about the shaft, a bearing between the shaft and the spring, and a housing containing a helical slit releasably engaged with the base plate surrounding the shaft, bearing and spring. A piston guided by the shaft and the bearing is seated on the spring. The piston comprises an aperture follower fitted into and guided by the housing aperture. The spring is compressed prior to launch and when released causes the piston to spin launch a vehicle. One object of the present invention is to provide spin ejection, essentially free of tip-off error, for a reentry vehicle from a launch body. Another object of the instant invention is to provide, for a plurality of vehicles, substantially errorless independent launch trajectories from a launch body.
- Assignee:
- Energy Research and Development Administration
- Patent Number(s):
- None
- OSTI ID:
- 5304652
- Country of Publication:
- United States
- Language:
- English
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