Ariane 5-2 EPS L10 Aestus

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Ariane 5-2 EPS L10 Aestus

Part of Ariane 5-2

N2O4/MMH propellant rocket stage for Ariane 5V. 250 kg additional propellant compared to Ariane 5G version.

AKA: Ariane 5 EPS L10. Status: In development. Thrust: 27.40 kN (6,160 lbf). Gross mass: 12,750 kg (28,100 lb). Unfuelled mass: 2,750 kg (6,060 lb). Specific impulse: 324 s. Burn time: 1,100 s. Height: 3.36 m (11.02 ft). Diameter: 3.96 m (12.99 ft). Span: 5.46 m (17.91 ft).

Upper stage engine for Ariane 5. Pressure (helium) fed. Electromechanical gimbaled nozzle (9.5 deg). Original version could not be restarted; version for EPS L10 stage for Ariane 5V allowed multiple restarts.

Family: Space Tugs. Country: Germany. Engines: Aestus. Launch Vehicles: Ariane 5Gp, Ariane 5ES. Propellants: N2O4/MMH.

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