Fuel grain for spherical boost-sustain rocket motor

Details Fuel grain for spherical boost-sustain rocket motor Fuel grain for spherical boost-sustain rocket motor

1975-11-12

1977-04-05

Croyle, Carlton R.

Power plants

Reaction motor

Solid propellant

102 99, F02K 904

Patent

active

040154270

ABSTRACT:
A spherical solid rocket motor for delivering boost-sustain, thrust-time performance and having a fuel grain with eight slots, at the forward end of the fuel grain, and eight star point segments forming regressive burning surface configurations. The fuel grain also has eight segments, with parallel sides, positioned between the star point segments to provide a large burning surface for boost and a sharp transition from boost to sustain operation.

REFERENCES:
patent: 3001363 (1961-09-01), Thibodaux et al.
patent: 3121309 (1964-02-01), O'Donnell
patent: 3760589 (1973-09-01), Puckett et al.
patent: 3855789 (1974-12-01), Platzek
Barrere, M., et al., "Rocket Propulsion," Elsevier Pub. Co., 1960, pp. 292, 293.

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