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SpaceShipOne (SS1)

 
SpaceShipOne [Scaled Composites]

 
SpaceShipOne under White Knight carrier plane [Scaled Composites]


SpaceShipOne in reentry configuration [Scaled Composites]


SpaceShipOne powered flight [Scaled Composites]

SpaceShipOne is a manned suborbital spacecraft designed by Burt Rutan's Scaled Composites to win the X-Prize. It is a unique configuration, air launched from the White Knight high altitude carrier aircraft. Powered by a HTBD-Nitrous-Oxide hybrid rocket designed by SpaceDev, the three-seated SpaceShipOne will climb to a height of 100 km. For reentry, the twin tails will be folded upwards for a stablized belly-first reentry. Finally, for landing the tails will return to a conventional position to allow a runway landing. The pilot and the two passengers will be placed in a pressurised cabin, so no space suit will be needed.

SpaceShipOne is classified as an experimental vehicle and will not offer commercially available seats for space tourists. But if the flights are successful, a larger version might be built for space tourism. Virgin Galaxy, a company founded by Richard Branson, plans to purchase 5 improved SpaceShipTwo versions for 6 passengers to conduct tourist spaceflights.

The first unpowered free flight occured on 08.08.2003. On its first powered flight it reached supersonic speed, on the second it reached Mach 2+. SS1 is the first privately developed aircraft to reach supersonic speed.

SS1 wrote history, when the first private suborbital spaceflight was conducted on June 21, 2004 (with pilot Mike Melvill). This flight reached a height of 100 km. During the flight, the spacecraft suffered a control problem, but recovered on the back-up system. Further flights will occur, when the problem is solved.

SS1 won the X-Prize with flights on 29.09.2004 and a follow up flight on 04.10.2004. For the X-prize attempts, only a pilot and ballast representing two passengers were on board.

The SS1 experienced a heavy roll during boost during the first X-Prize flight

crew lists

Version Aircraft Stage 1
SpaceShipOne White Knight SpaceShipOne
No.TypNo Type           Fl.No  Date          LS      Aircraft       Payload 

 1    1  SpaceShipOne   11P    17.12.2003    Mo  *   White Knight   SpaceShipOne F1      Mach 1.2;  20.7 Km
 2    2  SpaceShipOne   13P    08.04.2004    Mo  *   White Knight   SpaceShipOne F2      Mach 1.6;  32.0 km
 3    3  SpaceShipOne   14P    13.05.2004    Mo  *   White Knight   SpaceShipOne F3      Mach 2.5;  64.4 km
 4    4  SpaceShipOne   15P    21.06.2004    Mo  *   White Knight   SpaceShipOne F4      Mach 2.9; 100.1 km
 5    5  SpaceShipOne   16P    29.09.2004    Mo  *   White Knight   SpaceShipOne F5      Mach 2.9; 102.9 km; X-Prize attempt 
 6    6  SpaceShipOne   17P    04.10.2004    Mo  *   White Knight   SpaceShipOne F6      Mach 3.1; 111.9 km; X-Prize attempt   

 
Only powered flights listed.


Problems:

Flight 1: Left landing gear retracted on touch down, craft slightly damaged.
Flight 4: Control system problem, reentry out of planned corridor, engine shroud slightly damaged


Launch sites:

Mo  = Mojave Air and Space Port, Mojave, California, USA USA