Quote:
Originally Posted by tbomachines
Except, regardless of how many blades it has, if they are all equal in length and spaced out evenly they will amplify like crazy. That's because each one would have the same wavelength relative to the last and following blade, they would all be generating identical pulses.
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Good point. I was thinking purely in terms of mechanical oscillation, not the pulse each blade makes as it cuts through the air.
You can make physics say anything is possible if you leave out the right bits from your theoretical system. 
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