Encyclopedia Astronautica

ROOST and Astro
Credit: NASA
Credit: NASA
Credit: NASA
American winged orbital launch vehicle. Douglas design of the early 1960's for a two-stage-to-orbit, winged, recoverable vehicle. Two versions were envisioned - a preliminary one the size of a DC-8 and a monster vehicle capable of delivering one million pounds payload to orbit. It was assumed at this scale that Lox/LH2 vehicles could achieve stage propellant mass fractions of 88% to 86%.

LEO Payload: 454,500 kg (1,002,000 lb) to a 325 km orbit at 28.00 degrees.

Status: Study 1963.
Payload: 454,500 kg (1,002,000 lb).
Height: 270.00 m (880.00 ft).
Span: 125.00 m (410.00 ft).
Apogee: 325 km (201 mi).

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Associated Countries
See also
  • Winged In the beginning, nobody (except Jules Verne) thought anybody would be travelling to space and back in ballistic cannon balls. The only proper way for a space voyager to return to earth was at the controls of a real winged airplane. More...

Associated Manufacturers and Agencies
  • Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, USA. More...

  • Bono, Philip, "Design Objectives for Tomorow's Big Boosters", Advanced in the Astronautical Sciences, 1963.

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