AKA: XLR3-AJ-1. Date: May 1942. Thrust: 4.41 kN (991 lbf). Unfuelled mass: 124 kg (273 lb). Burn time: 25 s. Height: 1.75 m (5.74 ft). Diameter: 0.61 m (2.00 ft).
Three spherical propellant tanks, single uncooled thrust chamber, pressure fed.
Thrust (sl): 4.410 kN (991 lbf). Thrust (sl): 450 kgf. Engine: 124 kg (273 lb). Chamber Pressure: 20.00 bar. Propellant Formulation: RFNA/Aniline.