Engine Model: 325 in solid. Propellants: Solid. Thrust(vac): 69,047.000 kN (15,522,383 lbf). Isp: 263 sec. Isp (sea level): 238 sec. Burn time: 116 sec. Diameter: 8.30 m (27.20 ft). Length: 60.40 m (198.10 ft). Chambers: 1. Country: USA. Status: Study 1963. Masses estimated based on volumes, total thrust, and first stage burnout conditions. Recoverable motors; separation at 1,972 m/s at 53,000 m altitude; splashdown using retrorockets under 3 61 m diameter parachutes 610 km downrange.
325 in solid used on Rocket Stages