Long March 1

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Long March 1
Changzheng-1 (CZ-1)
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 metres (58.51 ft)
Diameter 2.25 metres (7.4 ft)
Empty mass 4,180 kilograms (9,220 lb)
Gross mass 65,250 kilograms (143,850 lb)
Thrust 1,101 kilonewtons (110.5 LTf)
Burn time about 130 s[1]
Fuel Nitric acid / UDMH[2]
Second Stage
Length 7.486 metres (24.56 ft)
Diameter 2.25 metres (7.4 ft)
Empty mass 2,340 kilograms (5,160 lb)
Gross mass 13,550 kilograms (29,870 lb)
Thrust 294 kilonewtons (29.5 LTf)
Burn time about 126 s
Fuel Nitric acid / UDMH
Third Stage
Length 4.565 metres (14.98 ft)
Diameter 0.77 metres (2.5 ft)
Empty mass 400 kilograms (880 lb)
Gross mass 2,200 kilograms (4,900 lb)
Thrust
Fuel Solid:PS

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.