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Piston engine with a ducted fan unit ?

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  • #16
    Re: Piston engine with a ducted fan unit ?

    Originally posted by GeoffS View Post
    I'm actually talking about a system with no fuel burned downstream of the compressor/fan.
    All the propulsion would come from energy added directly by the fan.

    My gut tells me there's a thermodynamic reason it's impractical, but I haven't done the math...

    You're basically talking about a simplified version of a hybrid turbojet/ramjet (like the J-58), with the fan taking the place of the turbojet: i.e. http://www.aerospaceweb.org/question...on/q0175.shtml
    Exactly..this is just a pricpipal idea how to feed the air for the ramjet..the channels etc would possibly need few experts and a wind tunnel and lotsa hard work to be operational.
    http://max3fan.blogspot.com/

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