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Deleted member 12676
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They've been around for at least half a century but no one has ever offered an explanation of exactly how they work. All explanations have countered laws of physics concerning the action of sound (pressure) waves. I have an explanation that may interest you, not just to tickle your intelligence center but because once you understand how they work then you can figure out a way to solve the long standing problem that pipe builders have always been faced with: build a pipe with a strong hit but a narrow powerband, OR build a pipe with a weak hit and a wider powerband. (Or settle for something in between which has no strong points at all)
Now that I've caught your attention you might as well follow through and read it all at http://www.dragonfly75.com/motorbike/pipes1.html
Now that I've caught your attention you might as well follow through and read it all at http://www.dragonfly75.com/motorbike/pipes1.html
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