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- Newsgroups: sci.aeronautics
- Path: sparky!uunet!mnemosyne.cs.du.edu!nyx!vkochend
- From: vkochend@nyx.cs.du.edu (vance kochenderfer)
- Subject: Re: Boomerangs
- Message-ID: <1992Nov18.014656.12844@mnemosyne.cs.du.edu>
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- References: <1992Nov17.170857.15462@athena.mit.edu>
- Distribution: usa
- Date: Wed, 18 Nov 92 01:46:56 GMT
- Lines: 21
-
- In article <1992Nov17.170857.15462@athena.mit.edu> brndlfly@athena.mit.edu (Matthew T Velazquez) writes:
- >vkochend@nyx.cs.du.edu (vance kochenderfer) writes:
- >
- >> Of course, the boomerang will not develop any lift from the frictionless
- >> air and will simply travel in a straight line as it falls to the ground.
- >
- >Friction has very little to do with lift. The only purpose friction serves is
- >to make an engineer ruin a perfectly good airplane by putting an engine on it.
- >:o)#
- >
-
- Actually, I was oversimplifying. Of course, the boomerang will generate
- lift from the pressure difference. It will travel in some sort of
- a quasi-circular path, but remember that the atmosphere is not moving
- with the same speed as the train. It will probably return close to the
- point from which it was thrown. But I still want to get some frictionless
- air. It would make my design project so much easier.
-
- Vance "you could try Slick 50, I guess" Kochenderfer
- Virginia Tech | "You are growing tiresome."
- vkochend@nyx.cs.du.edu | -Dieter
-