The event and design of the Long March is underneath the auspices of the China Academy of Launch Automobile Expertise. China used the Long March 1 rocket to launch its first satellite tv for pc, Dong Fang Hong, into low Earth orbit on April 24, 1970. Later, this rocket was changed by Long March 2.
The primary and second phases of Long March 1 used nitric acid and uneven dimethyl hydrazine, and a spin stabilized strong rocket engine was utilized in the higher half.
The Long March 2, Long March 3, Long March 4 foremost phases and related liquid rocket boosters use dinitrogen tetroxide. The third stage of Long March 3 rockets contains YF-73 and YF-75 engines, which use liquid hydrogen as gas.
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