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VTOVL orbital launch vehicle. Year: 1963. Family: VTOVL. Country: USA. Status: Study 1963. Other Designations: One stage Orbital Space Truck. Bono's first design for an expendable single stage to orbit LH2/Lox booster, using Improved Specific Impulse approach: many engines feeding into single large nozzle. Manufacturer: Douglas. LEO Payload: 454,500 kg (1,002,000 lb). to: 325 km Orbit. Liftoff Thrust: 68,496.900 kN (15,398,716 lbf). Total Mass: 5,670,400 kg (12,501,000 lb). Core Diameter: 21.30 m (69.80 ft). Total Length: 69.00 m (226.00 ft). Flyaway Unit Cost $: 117.600 million. in: 1985 unit dollars.
Stage Data - OOST ISI - Stage Number: 1. 1 x Stage: OOST ISI. Gross Mass: 5,125,000 kg (11,298,000 lb). Empty Mass: 292,000 kg (643,000 lb). Thrust (vac): 85,386.000 kN (19,195,536 lbf). Isp: 455 sec. Burn time: 248 sec. Isp(sl): 365 sec. Diameter: 21.30 m (69.80 ft). Span: 21.30 m (69.80 ft). Length: 57.90 m (189.90 ft). Propellants: Lox/LH2. No Engines: 15. Engine: Chamber/single nozzle. Status: Study 1963.
Bibliography and Further Reading - Bono, Philip, Advanced in the Astronautical Sciences, "Design Objectives for Tomorow's Big Boosters", 1963.
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