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L1011 Pegasus Launch
L1011 Pegasus Launcher

Model: L-1011. Gross Mass: 156,000 kg (343,000 lb). Empty Mass: 109,629 kg (241,690 lb). Thrust (vac): 561.900 kN (126,320 lbf). Isp: 9,900 sec. Burn time: 4,590 sec. Propellants: Air/Kerosene. Isp(sl): 9,000 sec. Diameter: 16.86 m (55.31 ft). Span: 47.00 m (154.00 ft). Length: 54.00 m (177.00 ft). Country: USA. No Engines: 3. Motor: RB-211-22B. Status: Active. Cost $ : 30.000 million. First Flight: 1991. Last Flight: 2007. No Launched: 75. Payload: 36,800 kg (81,100 lb). Release velocity: 240 m/s (780 ft/sec). Release altitude: 12 m (39 ft). Release conditions: 925 kph at 11.9 km.

Lockheed airliner swept wing. Release conditions: Belly-mounted, 36,800 kg, 17.1 m length x 7.9 m span at 925 kph at 11,890 m altitude



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