Feng Bao 1

"FB-1" redirects here. For the inverse femtobarn, used to calculate the number of particle collisions, see Barn_(unit) § Inverse_femtobarn.

The Feng Bao 1 (Chinese: 风暴; lit. 'Storm'), also known as FB-1, was a Chinese carrier rocket launched between 1972 and 1981. It was replaced by the nearly identical Long March 2, which had been developed at the same time for political reasons related to China's Cultural Revolution.^[1]

Feng Bao 1

Function	Carrier rocket
Manufacturer	Shanghai Bureau №2
Country of origin	China
Size
Height	33 metres (108 ft)
Diameter	3.35 metres (11.0 ft)
Mass	191,700 kilograms (422,600 lb)
Stages	Two
Capacity
Payload to LEO
Mass	2,500 kilograms (5,500 lb)
Launch history
Status	Retired
Launch sites	Jiuquan LA-2B
Total launches	11
Success(es)	7
Failure(s)	4
First flight	10 August 1972
Last flight	19 September 1981
Carries passengers or cargo	JSSW
First stage
Powered by	4 YF-20A
Maximum thrust	3,000 kilonewtons (670,000 lbf)
Specific impulse	289 sec
Burn time	128 seconds
Propellant	N2O4 / UDMH
Second stage
Powered by	1 YF-22 4 YF-23
Maximum thrust	761.9 kilonewtons (171,300 lbf)
Specific impulse	295 sec
Burn time	127 seconds
Propellant	N2O4 / UDMH

The Feng Bao was derived from the DF-5 missile. Eleven were launched, of which four failed.^[2] Launches occurred from LA-2B at the Jiuquan Satellite Launch Centre.

Launch history

Flight no.	Date/time (GMT)	S/N	Payload	Outcome	Remarks
1	10 August 1972 00:32[3]	701-02	Shiyan Peizhong	Success	Suborbital test, apogee: 200 kilometres
2	18 September 1973 12:12[3]	701-03	JSSW-1	Failure
3	12 July 1974 13:55[3]	701-04	JSSW-2	Failure	Loss of attitude control[1]
4	26 July 1975 13:28[1]	701-05	JSSW-3	Success
5	16 December 1975 09:19[1]	701-06	JSSW-4	Success
6	30 August 1976 11:53[1]	701-07	JSSW-5	Success
7	10 November 1976 09:05[3]	701-08	JSSW-6	Failure
8	14 September 1977 00:15[3]	701(II)-01	DDDS	Success	Suborbital test, apogee: 200 kilometres
9	16 April 1978 16:39[3]	701(II)-02	DDDS	Success	Suborbital test, apogee: 200 kilometres
10	27 July 1979 21:28[3]	XCZ-1-02	Shi Jian 1	Failure	Second stage malfunction
11	19 September 1981 21:28:40[3]	XCZ-1-02	Shijian 2 Shijian 2A Shijian 2B	Success

See also

• List of Long March rocket launches