Encyclopedia Astronautica
DF-1-1


Lox/Alcohol rocket stage. 270.00 kN (60,698 lbf) thrust. Mass 14,000 kg (30,865 lb).

Status: Retired 1970's.
Gross mass: 14,000 kg (30,000 lb).
Unfuelled mass: 4,000 kg (8,800 lb).
Height: 14.10 m (46.20 ft).
Diameter: 1.65 m (5.41 ft).
Thrust: 270.00 kN (60,690 lbf).
Burn time: 65 s.

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Associated Countries
Associated Engines
  • DF-1 CALT Liquid oxygen/Alcohol rocket engine. 270 kN. More...

Associated Launch Vehicles
Associated Manufacturers and Agencies
  • CALT Chinese manufacturer of rockets, spacecraft, and rocket engines. China Academy of Launch Vehicle Technology, Beijing, China. More...

Associated Propellants
  • Lox/Alcohol Liquid oxygen was the earliest, cheapest, safest, and eventually the preferred oxidiser for large space launchers. Its main drawback is that it is moderately cryogenic, and therefore not suitable for military uses where storage of the fuelled missile and quick launch are required. Alcohol (C2H5OH) was the fuel used for the German V-2 rocket, and the first derivative rocket engines in the United States, Soviet Union, and China used it as well. Better performance was achieved by increasing the alcohol concentration in the post-war engines. But after better-performance rocket-grade kerosene was developed by Rocketdyne in the REAP program of 1953, use of alcohol was abandoned. More...

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