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Old Feb 12, 2003, 11:34 PM
Launch the drones ...
Ashtabula, OH USA
Joined May 1999
2,656 Posts
who's got wind tunnel pics?

Got any URLs of smoke stream airfoil wind tunnel tests you'd like to share?

I'm really interested in seeing actual photos of smoke streams over various types of airfoils. Including pics of poorly performing airfoils (I think these would help me better understand why the good airfoils work.).

Here's my contribution, an interesting pic of a rotating baseball in a wind tunnel, with the smoke streams indicating Coanda production of lift (or so some people say).

http://www.100.nist.gov/photos.htm

Tim Green
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