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Background Information
- First launch:
- June 1988
- Flight rate:
- 9-12 Ariane 4s per year
- Launch site:
- ELA-2 (Kourou, French Guiana)
- Capability:
- 21,100 lb to LEO; 9,260 lb to GTO
History
- European Space Agency began Ariane development in 1973
- First Ariane flight in December 1979
- First Ariane 4 flight in June 1988
Description
- Stage 1 burns UH25/N2O4 in four Viking V engines, generating a total thrust of 600,700 lb
- Stage 2 burns UH25/N2O4 in one Viking IV engine, generating 176,400 lb of thrust
- Stage 3 burns LH2/LO2 in one HM-7B engine, generating 14,000 lb of thrust
- Four liquid strap-ons (PAL) burn UH25/N2O4 in Viking VI engines, generating 168,500 lb of thrust each
Profile
- Length:
- 187 ft (28 ft fairing)
- Launch Weight:
- 1,034,000 lb
- Diameter:
- 12.5 ft (stage 1)
- Liftoff Thrust:
- 1,274,000 lb
- Payload Fairing:
- 28-41 ft x 13 ft
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