Encyclopedia Astronautica
Gemini Paraglider



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Gemini Paraglider
Credit: McDonnell Douglas
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Gemini Variants
Modest modifications of Gemini proposed by McDonnell Douglas as a follow-on to the basic program (927 x 723 pixel version).
Credit: McDonnell Douglas
American manned spacecraft. Study 1966. The paraglider was supposed to be used in the original Gemini program but delays in getting the wing to deploy reliably resulted in it not being flown.

McDonnell proposed that additional Gemini missions be flown to fully test the paraglider, which was planned for the follow-on Big Gemini.

Crew Size: 2. Habitable Volume: 2.55 m3. RCS total impulse: 1,170 kgf-sec. Spacecraft delta v: 323 m/s (1,059 ft/sec). Electric System: 151.00 kWh. Electric System: 2.16 average kW.

Gross mass: 3,800 kg (8,300 lb).
Unfuelled mass: 3,345 kg (7,374 lb).
Height: 5.67 m (18.60 ft).
Thrust: 706 N (158 lbf).
Specific impulse: 273 s.

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Associated Countries
See also
  • Gemini The Gusmobile could have conquered space - faster, better cheaper. An endless number of Gemini derivatives would have performed tasks in earth orbit, and flown around and landed on the moon. Could the US have won the moon and space station races at a fraction of the expense? Browse through the many might-have-been Geminis! More...

Associated Launch Vehicles
  • Titan American orbital launch vehicle. The Titan launch vehicle family was developed by the United States Air Force to meet its medium lift requirements in the 1960's. The designs finally put into production were derived from the Titan II ICBM. Titan outlived the competing NASA Saturn I launch vehicle and the Space Shuttle for military launches. It was finally replaced by the USAF's EELV boosters, the Atlas V and Delta IV. Although conceived as a low-cost, quick-reaction system, Titan was not successful as a commercial launch vehicle. Air Force requirements growth over the years drove its costs up - the Ariane using similar technology provided lower-cost access to space. More...

Associated Manufacturers and Agencies
  • NASA American agency overseeing development of rockets and spacecraft. National Aeronautics and Space Administration, USA, USA. More...
  • McDonnell American manufacturer of spacecraft. McDonnell, St Louis, USA. More...

Associated Propellants
  • N2O4/MMH Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Monomethylhydrazine (CH3NHNH2) is a storable liquid fuel that found favour in the United States for use in orbital spacecraft engines. Its advantages in comparison to UDMH are higher density and slightly higher performance. More...

Bibliography
  • Advanced Gemini Spacecraft, Briefing, McDonnell Douglas, ca. 1967.

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