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Frank Lee never forgets.
gumby79 — A Gurney flap or something? It would probably add more drag than thrust. I suspect the problem with anti-cavitating props is air bubbles eating the metal. Those flutes may be for vortex generation or something.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Three conspiracy theorists walk into a bar --You can't say that is a coincidence.
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