Long March 1
L:ong March 1 Photo Credit : Heriberto Arribas Abato, CC BY-SA 4.0
The Long March 1 (长征一号), also known as the Changzheng-1 (CZ-1), was the first member of China's Long March rocket family. Like the U.S.'s and the Soviet Union's first rockets, it was based on a class of ballistic missiles, namely the Dong Feng 3 class.
Quick Facts About the Long March 1:
- Type: Expendable launch system.
- Origin : China.
- In service : 24 April 1970 - 3 March 1971
- Mass : 81,570 kilograms (179,830 lb).
- Length/Height : 2.25 metres (7.4 ft).
- Diameter : 10.1 m (33 ft).
- Pyload to LEO : 300 kilograms (660 lb).
- Propellant: First stage/Second stage : UDMH/AK27S. Third stage: Solid: Polysulfide
- Engines: First stage: 1 YF-2A (4 x YF-1A) with thrust of 1,214.4 kN (273,000 lbf), Second stage: 1 YF-3A with thrust of 320.2 kN (72,000 lbf), Third stage: 1 FG-02 with thrust of 181 kN (41,000 lbf).
Like the U.S.'s and the Soviet Union's first rockets, was based on a class of ballistic missiles, namely the Dong Feng 3 class.
Development started in January 1965 as the Seventh Ministry of Machinery Industry issued a design task. The two stage liquid fueled DF-4 was modified by adding a third stage in order to make it to the desired orbit. 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. Wang Xiji was the chief designer of the rocket.
Credit/References and for further info please see:
https://en.wikipedia.org/wiki/Long_March_1