Aestus
Engine · Germany
Original archive entry. The text, images and links below are kept as they were written.
Credit: Boeing / Rocketdyne
Friedrichshafen N2O4/MMH rocket engine. In production. Upper stage engine for Ariane 5 developed 1988 - 1995. Original version could not be restarted; version for EPS L10 stage for Ariane 5V allowed multiple restarts. First flight 1996.
The Aestus rocket engine was developed at the Ottobrunn Space Propulsion Centre during the period 1988 - 1995. The first operational flight of Aestus was on 30 October 1997 on Ariane 5 flight 502. Helium pressure fed. Electromechanical gimbaled nozzle (9.5 deg).
Engine: 111 kg (244 lb). Chamber Pressure: 11.00 bar. Area Ratio: 84. Oxidizer to Fuel Ratio: 2.05. Restarts: 5.
Subtopics
- Aestus-2 Rocketdyne / DASA N2O4/MMH rocket engine. Production. Restartable upper-stage engine, began test firings at Lampoldshausen in February 2000.
- Aestus DASA/Rocketdyne Rocketdyne rocket engine. Dasa (Germany)/Rocketdyne Non-Toxic Shuttle OMS. Gas generator, pump-fed. Name later reapplied to storable propellant engine for Ariane 5.
RS-72 Rocketdyne, Ottobrunn N2O4/MMH rocket engine. Aestus engine enhanced with the addition of a Boeing-Rocketdyne XLR 32 turbo-pump.
Related
- Family
- Storable liquid
- Country
- Germany
- Propellants
- N2O4/MMH
- Agency
- Friedrichshafen
- Bibliography
- 225