Encyclopedia Astronautica
Shuttle LCR-2


Lox/LH2 propellant rocket stage. Loaded/empty mass 322,449/120,816 kg. Thrust 4,719.64 kN. Vacuum specific impulse 459 seconds. Faget Straight Wing Configuration

No Engines: 2.

Status: Study 1969.
Gross mass: 322,449 kg (710,878 lb).
Unfuelled mass: 120,816 kg (266,353 lb).
Height: 45.00 m (147.00 ft).
Diameter: 8.00 m (26.20 ft).
Span: 34.70 m (113.80 ft).
Thrust: 4,719.64 kN (1,061,016 lbf).
Specific impulse: 459 s.
Specific impulse sea level: 359 s.
Burn time: 189 s.

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Shuttle LCR American winged orbital launch vehicle. McDonnell-Douglas/Martin Marrietta shuttle low cross-range proposal phase B of December 1970. Swept-wing booster, Faget straight wing orbiter. More...

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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