Encyclopedia Astronautica
XCOR


XCOR, USA.

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Associated Countries
Associated Spacecraft
  • Xerus American manned spaceplane. Study 2016. Suborbital vehicle that XCOR planned to design and build on a commercial basis. Rocket powered, it would take off from a runway, and be capable of high altitude, high speed flight. More...

Associated Engines
  • Rotary Rocket XCOR Lox/Kerosene rocket engine. 22.250 kN. First stages. Developed in 1990's. Developed and tested by Rotary Rocket for their launcher before its cancellation. More...
  • XR2P1 XCOR Nitrous oxide/Alcohol rocket engine. 0.067 kN. First stages. Hardware. Engine was run on oxygen and nitrous oxide oxidizers, with propane, ethane, kerosene, turpentine, and a variety of alcohols. More...
  • XR3A2 XCOR Lox/Alcohol rocket engine. 0.700 kN. First stages. Hardware. The XR3A2 700-newton engine was the first XCOR LOX/alcohol engine, accumulating 61 brief runs in the course of injector concept development, which led to later engines. More...
  • XR3B4 XCOR Nitrous oxide/Alcohol rocket engine. 0.220 kN. First stages. Hardware. Regeneratively cooled engine using nitrous oxide and isopropyl alcohol as propellants. More...
  • XR3M9 XCOR Lox/CH4 rocket engine. 0.223 kN. First stages. Hardware. Methane-fueled engine allowing long-term on-orbit storage, higher density than hydrogen engines. Intended for use in reaction control systems and satellite maneuvering systems More...
  • XR4A3 XCOR Lox/Alcohol rocket engine. 1.780 kN. First stages. Fully operational pressure-fed, regeneratively cooled engine. Flown on the EZ-Rocket, a modified Long-EZ aircraft fitted with two engines. First flight 2001. More...
  • XR4K14 XCOR Lox/Kerosene rocket engine. 6.670 kN. First stages. Hardware. Built for the Rocket Racing League's first X-Racer. The rocket engine was sized for the best compromise between acceleration and endurance. More...
  • XR4K5 XCOR Lox/Kerosene rocket engine. 8 kN. First stages. Hardware. Pump-fed, regeneratively cooled with fuel. Engine could be used to power the prototype Xerus suborbital manned vehicle for initial flight testing. More...
  • XR5M12 XCOR Lox/CH4 rocket engine. 22.3 kN. First stages. Conceptual lox/methane rocket engine developed for a DARPA program through layout design phase, but never built. More...
  • XR5M15 XCOR Lox/CH4 rocket engine. 33.360 kN. First stages. Hardware. Prototype LOX/methane rocket engine developed as a stepping stone to NASA's original Orion manned spacecraft and return to the moon and manned mission to Mars plans. More...

See also
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