Has anyone worked with the rotary and a ducted fan? I have done a bit
    with RC models, with acceptable performance.

    So with the Sachs rotary, adding oil cooling to the engine should
    help with better temps and lubrication. Still limited with 5000 to
    6000 rpms, I was thinking of direct drive ducted fan instead of a
    PSRU and prop.

    Anyone have any experience with this approach, or pro's and con's?

    David MIkesell

    Perry Mick. Fooled with it for about ten years. Finally gave up and
    put a gear box on it and went 20 or 30 MPH faster on the same fuel burn.

    Paul Lamar

    What is the application and required speed range?
        George Wright

    George was instrumental in writing a book on ducted fans as I recall.
    What was the title and where can someone buy it George?

    Paul Lamar

I was thinking more of a shrouded problem than it would be a ducted fan.
This I want to work for as a stall of 24 and a Max of 70 miles per hour.

David Mikesell

I found some more stuff and the cover of George's book.
Also one of my "inventions" :-)

Paul Lamar


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