Used on stages: Nova Solid 4. Used on launch vehicles: Nova 5S. Propellants: SolidThrust(vac): 1,134,000 kgf. Thrust(vac): 11,120.00 kN. Isp: 285 sec. Burn time: 175 sec. Diameter: 5.2 m. Length: 35.1 m. Chambers: 1. Country: USA. Status: Study, NASA, 1960. Comments: 4 used as first stage of solid Nova design. Extended high-expansion nozzles. Specific impulse based on UA1205 solid motors of same period. Masses estimated based on total vehicle thrust, performance, and stage volumes.