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- Viking_(rocket_engine) abstract "The Viking rocket engines were members of a series of bipropellant engines for the first and second stages of the Ariane 1 through Ariane 4 commercial launch vehicles, using storable, hypergolic propellants, N2O4/UH 25 (mixture 75% UDMH and 25% Hydrazine.)The earliest versions, developed in 1973, had a thrust of about 390 kN.The version used on 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.The 144 Ariane 1 to 4 used a total of 958 Viking engines. Only 2 engines have led to a failure. The first failure was due to a crack in the combustion chamber, the second is of human origin: a rag had been left in a pipe during installation. Initially, all the engines were tested before being integrated on a launcher. Beginning in 1998, engineers, confident of the reliability of the engine, authorized the use of untested engines on launchers. Some engines, randomly taken in the workshops of assembly, were tested from time to time. This confidence is very rare in the world of space engines.".
- Viking_(rocket_engine) thumbnail Viking_5C_rocketengine.jpg?width=300.
- Viking_(rocket_engine) wikiPageExternalLink ariane.htm.
- Viking_(rocket_engine) wikiPageID "18403670".
- Viking_(rocket_engine) wikiPageRevisionID "550157578".
- Viking_(rocket_engine) hasPhotoCollection Viking_(rocket_engine).
- Viking_(rocket_engine) subject Category:Rocket_engines.
- Viking_(rocket_engine) type Artifact100021939.
- Viking_(rocket_engine) type Device103183080.
- Viking_(rocket_engine) type Engine103287733.
- Viking_(rocket_engine) type Instrumentality103575240.
- Viking_(rocket_engine) type JetEngine103596285.
- Viking_(rocket_engine) type Machine103699975.
- Viking_(rocket_engine) type Motor103789946.
- Viking_(rocket_engine) type Object100002684.
- Viking_(rocket_engine) type PhysicalEntity100001930.
- Viking_(rocket_engine) type Reaction-propulsionEngine104057435.
- Viking_(rocket_engine) type Rocket104099175.
- Viking_(rocket_engine) type RocketEngines.
- Viking_(rocket_engine) type Whole100003553.
- Viking_(rocket_engine) comment "The Viking rocket engines were members of a series of bipropellant engines for the first and second stages of the Ariane 1 through Ariane 4 commercial launch vehicles, using storable, hypergolic propellants, N2O4/UH 25 (mixture 75% UDMH and 25% Hydrazine.)The earliest versions, developed in 1973, had a thrust of about 390 kN.The version used on the Ariane 4 first stage, which clustered four together, had 667 kN thrust each.".
- Viking_(rocket_engine) label "Viking (Triebwerk)".
- Viking_(rocket_engine) label "Viking (moteur-fusée)".
- Viking_(rocket_engine) label "Viking (rocket engine)".
- Viking_(rocket_engine) label "Viking (silnik rakietowy)".
- Viking_(rocket_engine) label "Викинг (ракетный двигатель)".
- Viking_(rocket_engine) label "バイキングエンジン".
- Viking_(rocket_engine) sameAs Viking_(Triebwerk).
- Viking_(rocket_engine) sameAs Viking_(moteur-fusée).
- Viking_(rocket_engine) sameAs Viking_(mesin_roket).
- Viking_(rocket_engine) sameAs バイキングエンジン.
- Viking_(rocket_engine) sameAs Viking_(silnik_rakietowy).
- Viking_(rocket_engine) sameAs m.04f2zl_.
- Viking_(rocket_engine) sameAs Q1785401.
- Viking_(rocket_engine) sameAs Q1785401.
- Viking_(rocket_engine) sameAs Viking_(rocket_engine).
- Viking_(rocket_engine) wasDerivedFrom Viking_(rocket_engine)?oldid=550157578.
- Viking_(rocket_engine) depiction Viking_5C_rocketengine.jpg.
- Viking_(rocket_engine) isPrimaryTopicOf Viking_(rocket_engine).
