Viking (rocket engine)

Viking (rocket engine)

The Viking rocket engines were members of a series of bipropellant engines for the first and second stages of the Ariane 1 thru Ariane 4 commercial launch vehicles, using storable, hypergolic propellants, N2O4/UH 25 (mixture 75% UDMH and 25% Hydrazine. [ Souchier, A.."Drakkar Ariane 1st stage - The concept and its originality" , AA(Societe Europeenne de Propulsion, Vernon, Eure, France)International Astronautical Federation, International Astronautical Congress, 27th, Anaheim, Calif., Oct. 10-16, 1976, 4 p.]

The earliest versions, developed in 1973, had a thrust of about 40 metric tons, or 88,000 lbF.The version used the Ariane 4 first stage, which clustered four together, had 667 kN thrust each. The second stage of Ariane used a single Viking.Over 1000 were built, and achieved a high level of reliability from early in the program.

References

External link

* [http://www.vernon-visite.org/rgb3/ariane.htm] Vernon, French manufacturer's history site.


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