Encyclopedia Astronautica
Fourth Academy


Chinese manufacturer of rocket engines. Fourth Academy, China.

AKA: 4th Academy.

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Associated Countries
Associated Engines
  • CZ-1D-3 Fourth Academy solid rocket engine. Out of production. Motor for proposed CZ-1D launch vehicle. Isp=291s. First flight 1995. More...
  • DFH-2 AKM Fourth Academy solid rocket engine. 43.460 kN. DFH series apogee kick motor. Out of Production. Isp=287s. First flight 1984. First use in China of glass fibre wound cases, carbon/carbon nozzle throat insert material, contoured divergent nozzle. More...
  • EPKM Fourth Academy solid rocket engine. 189.994 kN. Isp=292s. Chinese kick stage for use on CZ-2E for launch of Asiasat-2 and Echostar-1. Diameter increased to 1.7 m in comparison to basic 1.4 m diameter motor. Spin stabilised. First flight 1990. More...
  • FSW Retromotor Fourth Academy solid rocket engine. 40.660 kN. In Production. Isp=280s. Retrorocket designed for deorbit of FSW recoverable satellite. First flight 1975. More...
  • GF-02 Fourth Academy solid rocket engine. 181 kN. CZ-1 launch vehicle. Out of production. Isp=254s. First upper stage, zero-G, vacuum-start solid rocket motor developed in China. Inserted China's first satellite into orbit on 24 April 1970. More...
  • Perigee Orbit Transfer Motor Fourth Academy solid rocket engine. 222.840 kN. In Production. Isp=280s. Basic perigee kick motor for CZ-2E launch vehicle. Featured glass fibre-wound case, HTPB propellant, 3-D finocyl propellant grain, and carbon/carbon throat insert. First flight 1990. More...
  • SpaB-54 Fourth Academy solid rocket engine. In Production. Kick stage for orbital insertion of Iridium satellites Used on CZ-2C/SD launch vehicle. First flight 1997. More...
  • T-7A Booster Fourth Academy solid rocket engine. 46 kN. T-7 sounding rocket. Out of Production. Isp=209s. China's first flight solid rocket. First flight 1965. Polysulfide binder with aluminium binder fuel in case of high strength steel with a graphite throat insert. More...

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