Ariane EAP

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Model: Ariane 5-0. Gross Mass: 277,500 kg (611,700 lb). Empty Mass: 39,800 kg (87,700 lb). Thrust (vac): 6,470.000 kN (1,454,510 lbf). Isp: 275 sec. Burn time: 129 sec. Propellants: Solid. 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). Country: France. No Engines: 1. Motor: P230. Status: Active. Cost $ : 22.000 million. First Flight: 1984. Last Flight: 2007. No Launched: 114. Other designations: SPB235.

Solid rocket booster for Ariane 5. Nozzle expansion ratio increased from 9.7 to 11.0 after 1997. Chamber pressure 61.3 bar. HTPB propellant.

Model: 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. Propellants: Solid. 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). Country: France. No Engines: 1. Motor: P241. Status: In development. First Flight: 2002. Last Flight: 2007. No Launched: 52. Other designations: P241.

Increased propellant loading (+2.43 tonnes), lighter welded case (-1.6 tonnes) compared to earlier versions.

Used on Launch Vehicles:

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