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  1. Replies
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    A clarification to this Thread: I am NOT...

    A clarification to this Thread:

    I am NOT advocating a return of this flying system, or that anyone anywhere ever develop a similar system. The Soarmaster plus Rogallo system was a very...
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    The rotation was CCW from the 'point of view' of...

    The rotation was CCW from the 'point of view' of the the pilot ( he can't actually see the prop. when flying). So the torque is trying to lower the right wing when under power, and the pilot holds...
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    Pusher vs. Tractor effect on stability

    I've never thought that the location of the propeller before or behind the center of mass makes any difference in the stability of the aircraft.

    The case I'm describing is very extreme. In the...
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    I own a 1978 Seahawk 190, made by Seagull...

    I own a 1978 Seahawk 190, made by Seagull Aircraft in California.
    Our 1980 business was "Ultralight Power Gliders" of Houston, Texas. The original building was very close to the Houston...
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    This to Dana, I personally witnessed one of...

    This to Dana,

    I personally witnessed one of these accidents. It was during the take-off run. The pilot lost his three smallest toes off one foot. He soon learned how to walk and run without...
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    This to m motorsports, The original Eagle...

    This to m motorsports,

    The original Eagle canard ultralight of 1980 came with these double soarmaster units, and I witnesses one of those early unit propellers blow up during a full throttle...
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    This is to Jedi, Putting any high thrustline...

    This is to Jedi,

    Putting any high thrustline power unit on a modern flexwing or an Atos type glider would be a very bad idea. Modern wings have very little pitch damping (not to be confused...
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    Restoring a Soarmaster

    Hi there,

    I'm new to the forum and posting for the first time.

    I was one of the 'early birds' of the ultralight development. I foot-launched a rogallo powered by a Soarmaster power unit for a...
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