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7 members, 41 messages added in the last 7 days
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  • Re: Vertical Shaft Engine idea

    Makes sense. I like the looks of twin props and would love to build one just for the nostalgic look, but I wonder if I could keep it 103 legal and if one prop

    ibgoodok 2 days ago
  • Re: Vertical Shaft Engine idea

    the diameter would need to be as large as possible if you seek maximum efficiency. Look at any of the man powered aircraft operating with one half HP.

    2scott@bellsouth.net 2 days ago
  • Re: Vertical Shaft Engine idea

    ... There isn't a simple answer to that question. It would depend on the speed of the propellers, airspeed, the pitch and airfoil used. Whole books have been

    bifftarkiss 2 days ago
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Group Description

Welcome to the Airchair group. This group is for the sharing of ideas and support for those interested in furthering the development of and the building and flying of Ultralight Gliders with and without self-launch engine, such as Mike Sandlin's Motor-floater, Basic Ultralight Gliders (BUG and GOAT), and other primary type gliders that meet FAR part 103 criteria. These gliders can be open cockpit, wind in your face, fun flying machines or slightly more advanced so long as the spirit of simple and easy to build and FAR 103 legal is adhered to.

Group Information

  • 2204
  • Aviation
  • Jan 4, 2003
  • English

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  • This is a restricted group.
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