Long March 1

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Long March 1
Changzheng-1 (CZ-1)
CZ 1.jpg
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
300 kilograms (660 lb)
Associated rockets
Family Long March
Launch history
Status Retired
Launch sites Jiuquan Satellite Launch Center
Total launches 3
Successes 2
Failures 1
First flight 16 November 1969
Last flight 3 March 1971
Notable payloads Dong Fang Hong I
First Stage
Length 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)
Engines 1 YF-2A (4 x YF-1A)
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]
Fuel UDMH/AK27S[2]
Second Stage
Length 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)
Engines YF-3A
Thrust 320.2 kN (72,000 lbf)
Specific impulse 286.9 s (2.814 km/s)
Burn time about 126 s
Fuel UDMH/AK27S
Third Stage - FG-02
Length 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)
Engines FG-02
Thrust 181 kN (41,000 lbf)
Specific impulse 254 s (2.49 km/s)
Burn time 38s
Fuel 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[edit]

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.

Long March 1 (Launch history)
Date and time (UTC) Launch site Payload Orbit Function Decay (UTC) Outcome Notes
16 November 1969 China Jiuquan LA-2A China Dong Fang Hong I LEO Test satellite Failure First Chinese satellite launch attempt ends in failure.
24 April 1970
13:35
China Jiuquan LA-2A China Dong Fang Hong I LEO Test satellite Success First satellite launched by China.
3 March 1971
12:15
China Jiuquan LA-2A China Shi Jian 1 LEO Technology 17 June 1979 Success

See also[edit]

References[edit]

  1. ^ "Space Launchers - Long March". Retrieved 21 April 2015. 
  2. ^ "Go Taikonauts! - Launch Vehicle". Archived from the original on 27 October 2009. Retrieved 21 April 2015. 
  3. ^ "CZ-1". Astronautix.com. Retrieved 21 April 2015.