Engine Model: XLR24AJ-2. Government Designation: XLR24-AJ-2. Designer: Aerojet. Developed in: January 1946. Application: Lark. Propellants: Nitric acid/Gasoline. Thrust(sl): 10.700 kN (2,405 lbf). Country: USA. Development begun January 1946. Blast turbine, 2500 Ibf fixed thrust (both were part of overall R&D contract)