Air

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Fuel: Air. Fuel Comments: Ambient air (78 % nitrogen, 21% oxygen, etc.). As a monopropellant, used as an inert cold gas, held under pressure and released by valves to create thrust. Engines Using Air Motor Thrust(vac) kN Thrust(sl) kN Isp sec Isp (sl) sec Designed for Status RDMT-5 0.005   70   First Stages In Production 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.