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XLR-83-NA-1
Credit - Boeing / Rocketdyne
Engine Model: LR83-NA-1. Manufacturer Name: G-38. Designer: Rocketdyne. Propellants: Lox/Kerosene. Thrust(vac): 683.000 kN (153,544 lbf). Thrust(sl): 602.000 kN (135,334 lbf). Isp: 282 sec. Isp (sea level): 248 sec. Diameter: 0.88 m (2.88 ft). Chambers: 1. Country: USA. Status: Development ended 1958.

Planned production version of the engine for the booster of the Navaho G-38 intercontinental cruise missile. Designed for booster applications. Gas generator, pump-fed. Three gimballed engines would have been used in the Navaho booster. The engine was fully developed before Navaho G-38 cancellation.


Engine Model: XLR83-NA-1. Manufacturer Name: G-26. Government Designation: XLR83-NA-1. Designer: Rocketdyne. Developed in: 1954. Propellants: Lox/Kerosene. Thrust(vac): 602.000 kN (135,334 lbf). Thrust(sl): 533.700 kN (119,981 lbf). Isp: 273 sec. Isp (sea level): 242 sec. Burn time: 76 sec. Diameter: 0.88 m (2.88 ft). Chambers: 1. Country: USA. Status: Out of production. First Flight: 1956. Last Flight: 1958. Flown: 22.

Experimental version of the engine for the booster of the Navaho G-38 intercontinental cruise missile. Flown in the Navaho G-26 booster prototypes, two per booster, using guide vanes for thrust vectoring. Designed for booster applications. Gas generator, pump-fed.



LR83 used on Rocket Stages


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