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Orbital launch vehicle. Year: 2006. Family: Ariane 5. Country: France. Status: In development. The ultimate evolved Ariane 5 funded as of the end of the millenium. A larger Lox/LH2 upper stage using the Vinci motor in place of the HM7B. The core remains the same. Result is an increase in GTO payload from 10.5 tonnes to 12.0 tonnes. Manufacturer: EADS. Payload: 12,000 kg (26,000 lb). to a: Geosynchronous transfer, 7 deg inclination trajectory. Liftoff Thrust: 15,360.000 kN (3,453,060 lbf). Total Mass: 790,000 kg (1,740,000 lb). Core Diameter: 5.40 m (17.70 ft). Total Length: 60.00 m (196.00 ft).
Stage Data - Ariane 5 EC-B - Stage Number: 0. 2 x Stage: Ariane 5 EAP. Gross Mass: 278,330 kg (613,610 lb). Empty Mass: 38,200 kg (84,200 lb). Thrust (vac): 6,470.000 kN (1,454,510 lbf). Isp: 275 sec. Burn time: 130 sec. Isp(sl): 250 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 31.60 m (103.60 ft). Propellants: Solid. No Engines: 1. Engine: P241. Other designations: P241. Status: In development. Increased propellant loading (+2.43 tonnes), lighter welded case (-1.6 tonnes) compared to earlier versions.
- Stage Number: 1. 1 x Stage: 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. 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). Propellants: Lox/LH2. No Engines: 1. Engine: Vulcain 2. Other designations: H173. Status: In development. 15.2 tonnes increased propellant by moving liquid oxygen bulkhead.
- Stage Number: 2. 1 x Stage: Ariane 5 ESC B. Gross Mass: 27,500 kg (60,600 lb). Empty Mass: 3,400 kg (7,400 lb). Thrust (vac): 153.900 kN (34,598 lbf). Isp: 467 sec. Burn time: 700 sec. Diameter: 5.46 m (17.91 ft). Span: 5.46 m (17.91 ft). Length: 10.00 m (32.00 ft). Propellants: Lox/LH2. No Engines: 1. Engine: Vinci. Status: In development. New upper stage for Ariane 5.
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