Long March 1
Appearance
Manufacturer | MAI, CASC, CAST |
---|---|
Country of origin | China |
Size | |
Height | 29.86 metres (98.0 ft) |
Diameter | 2.25 metres (7.4 ft) |
Mass | 81,570 kilograms (179,830 lb) |
Stages | 3 |
Capacity | |
Payload to LEO | |
Mass | 300 kilograms (660 lb) |
Associated rockets | |
Family | Long March |
Launch history | |
Status | Retired |
Launch sites | Jiuquan Satellite Launch Center |
Total launches | 3 |
Success(es) | 2 |
Failure(s) | 1 |
First flight | 16 November 1969 |
Last flight | 3 March 1971 |
Type of passengers/cargo | Dong Fang Hong I |
First stage | |
Height | 17.835 m (58.51 ft) |
Diameter | 2.25 m (7.4 ft) |
Empty mass | 4,180 kg (9,220 lb) |
Gross mass | 65,250 kg (143,850 lb) |
Powered by | 1 YF-2A (4 x YF-1A) |
Maximum thrust | 1,101.2 kN (247,600 lbf) (SL) 1,214.4 kN (273,000 lbf) |
Specific impulse | 242.5 s (2.378 km/s) (SL) 267.4 s (2.622 km/s) (vacuum) |
Burn time | about 130 s[1] |
Propellant | UDMH/AK27S[2] |
Second stage | |
Height | 7.486 m (24.56 ft) |
Diameter | 2.25 m (7.4 ft) |
Empty mass | 2,340 kg (5,160 lb) |
Gross mass | 13,550 kg (29,870 lb) |
Powered by | YF-3A |
Maximum thrust | 320.2 kN (72,000 lbf) |
Specific impulse | 286.9 s (2.814 km/s) |
Burn time | about 126 s |
Propellant | UDMH/AK27S |
Third stage – FG-02 | |
Height | 4.565 m (14.98 ft) |
Diameter | 0.77 m (2.5 ft) |
Empty mass | 400 kg (880 lb) |
Gross mass | 2,200 kg (4,900 lb) |
Powered by | FG-02 |
Maximum thrust | 181 kN (41,000 lbf) |
Specific impulse | 254 s (2.49 km/s) |
Burn time | 38s |
Propellant | Solid: Polysulfide |
The Long March 1 (长征一号), also known as the Changzheng-1 (CZ-1),[3] is the 1st member of China's Long March 1 (rocket family).
History
Long March 1's second flight launched China's first satellite Dong Fang Hong 1 to space on April 24, 1970. The rocket was operational during 1970-1971, with 2 successes out of 3 launches.
Date and time (UTC) | Launch site | Payload | Orbit | Function | Decay (UTC) | Outcome | Notes |
16 November 1969 | Jiuquan LA-2A | Dong Fang Hong I | LEO | Test satellite | Failure | First Chinese satellite launch attempt ends in failure. | |
24 April 1970 13:35 |
Jiuquan LA-2A | Dong Fang Hong I | LEO | Test satellite | Success | First satellite launched by China. | |
3 March 1971 12:15 |
Jiuquan LA-2A | Shi Jian 1 | LEO | Technology | 17 June 1979 | Success |
See also
- Long March 1 (rocket family) - General family of this rocket.
- DF-4 - ICBM on which this rocket is based.
- Long March 1D - Other member of this rocket family.
- YF-2A - Main propulsion module.
- FG-02 - Upper stage.
References
- ^ "Space Launchers - Long March". Retrieved 21 April 2015.
- ^ "Go Taikonauts! - Launch Vehicle". Archived from the original on 27 October 2009. Retrieved 21 April 2015.
- ^ "CZ-1". Astronautix.com. Retrieved 21 April 2015.