It is the first version of all the fused series of ARIANE.
At the beginning it is especially the France which financed the project (two thirds) and the Germany (20 %). The design and manufacture were entrusted to the Aérospatiale, SEP for the engines, and to Matra for electronics.
With a mass on the takeoff of 210 tons for a 47,4 meters height and a diameter of 3,8 meters, it was able to place 1 850 kg in geostationary Orbit of transfer (GTO). It could take along only one large satellite or two small.
ARIANE 1 is a rocket on 3 floors:
- the first was equipped with 4 Moteurs Viking of the SEP;
- the second with only one Driving Viking;
- the third had an engine Cryotechnique of 7 tons thorough (HM7).
This structure will be preserved until ARIANE 4.
The first flight took place successfully the December 24th 1979. The second exploded during takeoff. There were 2 more flights of qualification, starting from the June 19th 1981, which proceeded this time without problem. During the third flight, these are 3 satellites which were put into orbit.
The September 10th 1982, its fifth flight, which was the first commercial flight, was a failure. The rocket stopped after 7 minutes of vol. After a major review of all the rocket, the six following flights were held without tear.
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