Designer: Aerojet Redmond. Propellants: Hydrazine. Thrust(vac): 142 N (31 lbf). Isp: 228 sec. Burn time: 2,684 sec. Mass Engine: 1.56 kg (3.43 lb). Diameter: 0.0470 m (0.1540 ft). Length: 0.25 m (0.82 ft). Chambers: 1. Country: USA. Status: In Production.