ROOST ISI
ROOST Improved
Credit - © Mark Wade
VTOVL orbital launch vehicle. Year: 1963. Family: VTOVL. Country: USA. Status: Study 1963. Other Designations: Reusable One stage Orbital Space Truck.

Bono's first design for a reusable 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: 81,697.400 kN (18,366,306 lbf). Total Mass: 6,763,400 kg (14,910,700 lb). Core Diameter: 21.30 m (69.80 ft). Total Length: 81.00 m (265.00 ft). Flyaway Unit Cost $: 154.000 million. in: 1985 unit dollars.

Stage Data - ROOST ISI
  • Stage Number: 1. 1 x Stage: ROOST ISI. Gross Mass: 6,218,000 kg (13,708,000 lb). Empty Mass: 435,000 kg (959,000 lb). Thrust (vac): 101,842.000 kN (22,894,992 lbf). Isp: 455 sec. Burn time: 249 sec. Isp(sl): 365 sec. Diameter: 21.30 m (69.80 ft). Span: 21.30 m (69.80 ft). Length: 67.10 m (220.10 ft). Propellants: Lox/LH2. No Engines: 18. 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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