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Background Information
- First Launch:
- November 1990
- Flight Rate:
- 9-12 Ariane 4s per year
- Launch Site:
- ELA-2 (Kourou, French Guiana)
- Capability:
- 14,300 lb to LEO; 7,500 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
- Three-stage vehicle with four strap-on solid boosters
- Stage 1 burns UH25/N2O4 in four Viking V engines, generating a total thrust of 674,430 lb
- Stage 2 burns UH25/N2O4 in a Viking IV engine, generating 179,848 lb of thrust
- Stage 3 burns LH2/LO2 in a HM-7B engine, generating 14,163 lb of thrust
- Four solid strap-ons burn CTPB, generating 146,127 lb of thrust each
Profile
- Length:
- 187 ft (28 ft fairing)
- Launch Weight:
- 788,419 lb
- Diameter:
- 12.5 ft (stage 1)
- Liftoff Thrust:
- 1,258,936 lb
- Payload Fairing:
- 28-41 ft x 13 ft
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