Long March 1

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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
Derivatives Long March 1D
First flight 24 April 1970
Notable payloads Dong Fang Hong 1
First Stage
Length 17.835 metres (58.51 ft)
Empty mass 4,180 kilograms (9,220 lb)
Gross mass 65,250 kilograms (143,850 lb)
Engines
Thrust
Fuel
Second Stage
Length 7.486 metres (24.56 ft)
Empty mass 2,340 kilograms (5,160 lb)
Gross mass 13,550 kilograms (29,870 lb)
Engines
Thrust
Fuel
Third Stage
Length 4.565 metres (14.98 ft)
Empty mass 400 kilograms (880 lb)
Gross mass 2,200 kilograms (4,900 lb)
Engines
Thrust
Fuel

The Long March 1 (长征一号), also known as the Changzheng-1 (CZ-1),[1] is the 1st member of China's Long March 1 (rocket family).

The study of Long March 1 began in 1965. Long March 1's second flight sent China's first satellite Dong Fang Hong 1 to space on April 24, 1970. She made only three flights until March 3, 1971, when she was retired.

  • Stages: 3
  • Total length: 29.86 m
    • Stage 1: 17.835 m
    • Stage 2: 7.486 m
    • Stage 3: 4.565 m
  • Diameter: 2.250 m
  • Lift-off weight: 81,570 kg
    • Stage 1: 65,250 kg
      • Fuel: 61,070 kg
    • Stage 2: 13,550 kg
      • Fuel: 11,210 kg
    • Stage 3: 2,200 kg
      • Fuel: 1,800 kg
  • Lift-off thrust: 1,020,000 N
  • Payload to LEO: 300 kg

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