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Model: Ariane 5 EPC. Gross Mass: 186,000 kg (410,000 lb). Empty Mass: 12,700 kg (27,900 lb). Thrust (vac): 1,114.000 kN (250,437 lbf). Isp: 434 sec. Burn time: 650 sec. Propellants: Lox/LH2. Isp(sl): 335 sec. Diameter: 5.46 m (17.91 ft). Span: 5.46 m (17.91 ft). Length: 30.50 m (100.00 ft). Country: France. No Engines: 1. Motor: Vulcain 2. Status: In development. First Flight: 2002. Last Flight: 2007. No Launched: 26. No Failed: 1. Other designations: H173.

15.2 tonnes increased propellant by moving liquid oxygen bulkhead.



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