LR129

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Engine Model: LR129. Government Designation: LR129. Designer: Pratt and Whitney. Application: Engine developed for boost/glide aerospace craft; later modified into unsuccessful competitor for Space Shuttle main engine. Propellants: Lox/LH2. Country: USA. 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.