Encyclopedia Astronautica
ASE



rdyase30.jpg
ASE
Credit: Boeing / Rocketdyne
Rocketdyne lox/lh2 rocket engine. 88.926 kN. Advanced Space Engine. Staged combusion, pump-fed. Isp=473s.

Thrust: 88.93 kN (19,991 lbf).
Specific impulse: 473 s.
First Launch: 1970.

More... - Chronology...


Associated Countries
Associated Spacecraft
  • LEV American manned lunar lander. Study 1989. The Lunar Excursion Vehicle (LEV) figured in numerous NASA studies of the 1980's and 1990's. More...

See also
Associated Manufacturers and Agencies
Associated Propellants
  • Lox/LH2 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. Liquid hydrogen was identified by all the leading rocket visionaries as the theoretically ideal rocket fuel. It had big drawbacks, however - it was highly cryogenic, and it had a very low density, making for large tanks. The United States mastered hydrogen technology for the highly classified Lockheed CL-400 Suntan reconnaissance aircraft in the mid-1950's. The technology was transferred to the Centaur rocket stage program, and by the mid-1960's the United States was flying the Centaur and Saturn upper stages using the fuel. It was adopted for the core of the space shuttle, and Centaur stages still fly today. More...

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