L7 Designer: MBB. Propellants: N2O4/MMH. Thrust(vac): 27.400 kN (6,160 lbf). Isp: 320 sec. Burn time: 810 sec. Mass Engine: 110 kg (240 lb). Diameter: 3.96 m (12.99 ft). Length: 2.19 m (7.17 ft). Chambers: 1. Chamber Pressure: 10.35 bar. Area Ratio: 83.31. Oxidizer to Fuel Ratio: 2.05. Thrust to Weight Ratio: 25.45. Country: Germany. Status: In Production. First Flight: 1996. Last Flight: 1998. Flown: 4.00.                   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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