In The News Posted October 6, 2017 Share Posted October 6, 2017 Safran, the French multi-national aerospace and technology firm, celebrated the start of ground testing for its Open Rotor concept engine earlier this week. The Open Rotor is a variation on the propfan or unducted fan concept where a turbine engine drives one or more external fans. The Open Rotor utilizes two counter-rotating, unshrouded fans, which, like a turboprop, increases the effective bypass ratio of the engine. The European Commission, as part of the Clean Sky 2 research program, has given Safran €65 million over eight years to develop the fuel-efficient engine. View the full article Link to comment Share on other sites More sharing options...
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