Thread: Vortex generators
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Old 01-26-2010, 08:47 PM   #7 (permalink)
Rokeby
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Christ,

Here's the Big Bad Wolf of ring vortex generators:



FWIW, you can get a smoke/fog generator at a guitar/rock band/theatrical
supply house. Something about 350-500 watst will do; ~$40, plus "smoke"
liquid and cleaner fluid.
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