FG-47

The FG-47 (a.k.a. SpaB-54) is a Chinese solid rocket motor burning HTPB.[1][4] 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.[1][2][5][6]

FG-47

Country of origin	China
First flight	1997-09-01
Designer	China Hexi Chemical and Machinery Corporation
Application	Kick engine
Associated L/V	Long March 2C CTS
Status	In Production
Solid-fuel motor
Propellant	HTPB
Performance
Thrust (vac.)	9.8 kN (2,200 lbf)
Isp (vac.)	288 s (2.82 km/s)
Total impulse	353 kN (79,000 lbf)
Burn time	36s
Dimensions
Length	852 mm (33.5 in)
Diameter	542 mm (21.3 in)
Used in
CTS
References
References	[1][2][3]

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 lb_f).

See also

• CTS
• Long March 2C
• Iridium deployment

References

1. Norbert Bgügge. "Some Chinese solid fuel aerospace motors". B14643.DE. Archived from the original on 2015-09-26. Retrieved 2015-07-25.
2. "Chapter 2.4 — CTS Introduction". LM-2C User's Manual. Issue 1999. CASC. 1999. pp. 2–15. Retrieved 2015-07-08.
3. "CZ-2C/SD". Encyclopedia Astronautica. Archived from the original on 2016-03-04. Retrieved 2015-07-25.
4. "SpaB-54". Encyclopedia Astronautica. Archived from the original on 2015-08-24. Retrieved 2015-07-25.
5. Norbert Bgügge. "Propulsion CZ-2E, CZ-2F". B14643.DE. Retrieved 2015-07-25.
6. Krebs, Gunter Dirk (2013-09-21). "CZ-2C (2) SD (Chang Zheng-2C (2) SD)". Retrieved 2015-07-25.