Spinning RAM air decelerator

Details Spinning RAM air decelerator Spinning RAM air decelerator

1987-09-25

1989-08-15

Basinger, Sherman D.

Aeronautics and astronautics

Retarding and restraining devices

Aerodynamic retarders

244138R, 102386, B64D 1780

Patent

active

048567370

ABSTRACT:
The present invention relates to a new and unique structure in a collapsible decelerator for aerial bodies launched from a high velocity vehicle and designed to provide a high drag stabilizer capable of withstanding release in air stream velocities from subsonic to supersonic. The decelerator preferably includes a hollow inflatable star, the outermost points of which have hooded valve openings through which regulated airflow enters and inflates the star to decelerate the body to which it is attached. The new and unique capability comprises an angular offset of each air scoop to create desired rotational speed in the selected direction.
The amount of angular offset and protrusion into the air stream controls the magnitude of spin rate, the direction of angular offset controls the direction of spin.

REFERENCES:
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patent: 1951864 (1934-03-01), Driggs, Jr.
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patent: 2819856 (1958-01-01), Hight
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patent: 3228637 (1966-01-01), Gross
patent: 4005655 (1977-02-01), Kleinschmidt et al.
patent: 4565341 (1986-01-01), Zacharin
patent: 4696443 (1987-09-01), Zacharin

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