Encyclopedia Astronautica
Solaris X

Solaris X
American manned spacecraft. Study 2004. X-Prize suborbital ballistic spacecraft concept of Interorbital Systems of Mojave, California.

Solaris X was a design of Roderick and Randa Milliron of Interorbital Systems (IOS) of Mojave, California. The concept used a rocket powered vertical takeoff from water in the territorial waters of Tonga, followed by a parachute descent to a splashdown at sea. IOS had been founded in 1996, with the ultimate objective of development of its Neptune-Solaris Orbital Spaceliner, a two-stage manned orbital launch vehicle. The orbiter stage in this configuration, the Solaris X rocket plane, was the company's X Prize entry. Wally Funk, one of the 'Mercury 13' female astronauts, was announced as the pilot of the Solaris X.

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  • America's Space Prize Following the success of the Ansari X-Prize in motivating flight of the first commercial suborbital manned spacecraft, Robert Bigelow announced the 'America's Space Prize' - $ 50 million - to the first team to fly an orbital manned spacecraft that completes two missions safely and successfully by January 10, 2010. More...
  • X-Prize The X-Prize competition was an attempt to promote commercial civilian spaceflight in a manner similar to the prizes handed out in the early days of aviation. Ten million dollars was to go to the first team to fly a vehicle capable of launching three people into space (defined as an altitude of 100 km in a suborbital trajectory), twice in a two-week period. The vehicle had to be 90% reusable by dry mass. For purposes of the two flights, the competition accepted flight by one person and ballast equivalent to two others at 90 kg per passenger. More...

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