Perigee Orbit Transfer Motor

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Perigee Orbit Transfer Motor

Part of CZ

Fourth Academy solid rocket engine. In Production. Basic perigee kick motor for CZ-2E launch vehicle. Featured glass fiber-wound case, HTPB propellant, 3-D finocyl propellant grain, and carbon/carbon throat insert. First flight 1990.

Status: In Production. Date: Late 1980's. Thrust: 222.84 kN (50,096 lbf). Gross mass: 4,635 kg (10,218 lb). Unfuelled mass: 496 kg (1,093 lb). Specific impulse: 280 s. Burn time: 65 s. Height: 2.89 m (9.49 ft). Diameter: 1.40 m (4.60 ft).

Total impulse 11,360 kN-s over 65.2 seconds.

Propellant Formulation: HTPB.

Country: China. Launch Vehicles: Chang Zheng 2E. Propellants: Solid. Agency: Fourth Academy. Bibliography: 544.

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