X-33

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Model: X-33. Gross Mass: 123,800 kg (272,900 lb). Empty Mass: 28,600 kg (63,000 lb). Thrust (vac): 2,284.000 kN (513,463 lbf). Isp: 439 sec. Burn time: 886 sec. Propellants: Lox/LH2. Isp(sl): 339 sec. Diameter: 20.70 m (67.90 ft). Span: 20.70 m (67.90 ft). Length: 20.40 m (66.90 ft). Country: USA. No Engines: 2. Motor: XRS-2200. Status: Cancelled in 2001. First Flight: 1999. Used on Launch Vehicles: X-33. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.