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Orbital launch vehicle. Year: 1987. Family: Energia. Country: Russia. Status: Design 1987. Variant of the Energia launch vehicle with two strap-on boosters instead of four. This would have fullfilled the 50 tonne payload requirement had the third generation booster plan been fully implemented. Manufacturer: Korolev. LEO Payload: 50,000 kg (110,000 lb). to: 200 km Orbit. at: 51.60 degrees. Liftoff Thrust: 23,500.000 kN (5,283,000 lbf). Total Mass: 1,700,000 kg (3,700,000 lb). Core Diameter: 7.75 m (25.42 ft). Total Length: 97.00 m (318.00 ft).
Stage Data - Groza - Stage Number: 1. 1 x Stage: Energia Core. Gross Mass: 905,000 kg (1,995,000 lb). Empty Mass: 85,000 kg (187,000 lb). Thrust (vac): 7,848.124 kN (1,764,328 lbf). Isp: 453 sec. Burn time: 480 sec. Isp(sl): 354 sec. Diameter: 7.75 m (25.42 ft). Span: 7.75 m (25.42 ft). Length: 58.77 m (192.80 ft). Propellants: Lox/LH2. No Engines: 4. Engine: RD-0120. Status: Design 1987.
- Stage Number: 2. 1 x Stage: Energia RCS. Gross Mass: 17,000 kg (37,000 lb). Empty Mass: 2,000 kg (4,400 lb). Thrust (vac): 84.935 kN (19,094 lbf). Isp: 352 sec. Burn time: 680 sec. Diameter: 3.70 m (12.10 ft). Span: 3.70 m (12.10 ft). Length: 5.70 m (18.70 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-58. Other designations: Retro and Correction Stage. Status: Design 1987. Adaptation of Block D for Energia payload orbital insertion
Bibliography and Further Reading - Semenov, Yu P, Lozino-Lozinsky, et. al., Mnogorazoviy orbitalniy korabl 'Buran', Mashinostroenne, Moscow, 1995. ISBN: 521702772X. Russian language book devoted to describing the space shuttle Buran in great technical detail. What was to have been... More at amazon.com...
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