Engine Model: 25XALD-1000. Manufacturer Name: 25XALD-1000. Government Designation: XLR3-AJ-1. Designer: Aerojet. Developed in: May 1942. Application: JATO, Droppable for P-38, B-24, and B-25J. Propellants: Nitric acid/Amine. Thrust(sl): 4.410 kN (991 lbf). Burn time: 25 sec. Mass Engine: 124 kg (273 lb). Diameter: 0.61 m (2.00 ft). Length: 1.75 m (5.74 ft). Chambers: 1. Chamber Pressure: 20.00 bar. Country: USA. First Flight: 1944. Development begun May 1942. Three spherical propellant tanks,single uncooled thrust chamber, pressure fed, droppable version of XLR1, packaged compactly with parachute.