Saturday, February 25, 2012

Rolls-Royce contra-rotating fan (concept) | Armstrong Siddeley Sapphire

Armstrong Siddeley Sapphire

Rolls-Royce contra-rotating fan (concept)
   The Sapphire originated in 1946 with the Metrovick F9, which was handed over to Armstrong-Siddeley when Metropolitan- Vickers withdrew from aviation in 1947. The Sapphire first ran in October 1948 and the engine was flight tested in Meteor, Hastings and Canberra aircraft; before going into production for the Gloster Javelin and Hawker Hunter F2.

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