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  • .manyu
    .manyu

    MemberJul 12, 2011

    pre-piston engines

    Hello, This is Manyu signing in from Noida, India.
    I want to ask all the mechanical engineers here one question - what are pre-piston engines? Could anyone here share the details about it please?
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  • ISHAN TOPRE

    MemberJul 13, 2011

    As far as I know, pre piston engines are the pre charged piston engines. I have read something about 2S pre piston engines. They are perhaps used in Aviation. Not sure about it. So will avoid giving false information.

    But do search for Grail engine, it is one of the pre piston type. Hope it helps you.
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  • .manyu

    MemberJul 20, 2011

    actually it was my mistake...
    i was talking about free piston engines...
    these are dual opposed piston engines which generate electrical energy by changing magnetic flux...
    sorry for the mistake...
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