Ariane 1

Ariane I is the first version of the Ariane launcher familly.

Technical details

With lift-off mass of 210,000 kg, Ariane I was able to put in geostationary orbit one satellite or two smaller of a maximal weight of 1850 kg.

Ariane I is a three-stage rocket:

• The first stage was equiped with 4 Viking engine developed by the Societé Européene de Propulsion[?].
• The second had only one Viking engine.
• The third stage had one LOX/LH2 bipropellant engine capable of a thrust of 7,000 kg.

This design will be kept until the Ariane 4.

Launchs history The first launch was on December 24, 1979 and was succesfull. The second one exploded at takeoff. The third launch succeed the orbiting of three satellite, the fourth and last qualification launch was also a success.

The next launch, the first commercial one, the rocket stopped to function after 7 minutes of flight. After a complete review of the launcher, the next 6 flight were all successfull.

The first SPOT[?] satellite was put on orbit by the eleventh and last launch of Ariane I was on February 22, 1986.