ROOST ROOST ROOST - Reusable One-stage Orbital Space Truck Credit - © Mark Wade Gross Mass: 10,898,000 kg (24,025,000 lb). Empty Mass: 608,000 kg (1,340,000 lb). Thrust (vac): 165,447.000 kN (37,193,965 lbf). Isp: 410 sec. Burn time: 246 sec. Propellants: Lox/LH2. Isp(sl): 345 sec. Diameter: 21.30 m (69.80 ft). Span: 21.30 m (69.80 ft). Length: 106.70 m (350.00 ft). Country: USA. No Engines: 4. Engine: 5 mlbf. Status: Study 1963. Used on Launch Vehicles: ROOST.                   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 - 2007 except where otherwise noted.

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