This page no longer updated from 31 October 2001. Latest version can be found at Ariane 5-2

Gross Mass: 12,500 kg. Empty Mass: 2,700 kg. Thrust (vac): 2,800 kgf. Isp: 324 sec. Burn time: 1,100 sec. Propellants: N2O4/MMH Diameter: 4.0 m. Span: 5.5 m. Length: 3.4 m. Country: Germany. No Engines: 1. Aestus Status: Hardware. Other designations: L-9. Comments: Chamber pressure 10 bar; expansion ratio 83.0; propellant mix ratio 2.05. Empty mass without VEB payload fairing support ring and avionics is 1200 kg.
Back to Index
Last update 12 March 2001.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .