|Country of origin||China|
|Designer||China Hexi Chemical and Machinery Corporation|
|Associated L/V||Long March 2C CTS|
|Thrust (vac.)||9.8 kN (2,200 lbf)|
|Isp (vac.)||288 s (2.82 km/s)|
|Total impulse||353 kN (79,000 lbf)|
|Length||852 mm (33.5 in)|
|Diameter||542 mm (21.3 in)|
The FG-47 (a.k.a. SpaB-54) is a Chinese solid rocket motor burning HTPB. It was developed by China Hexi Chemical and Machinery Corporation (also known as the 6th Academy of CASIC) for use in the Long March 2C SD/CTS/SMA third stage. It had its inaugural flight on the Iridium-MFS demonstration mission on September 1, 1997.
It has a total nominal mass of 160 kg (350 lb), of which 125 kg (276 lb) is propellant load. It has an average thrust of 9.8 kN (2,200 lbf) with a specific impulse of 288 seconds burning for 35 seconds, with a total impulse of 353 kN (79,000 lbf).