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Message: <blockquote data-quote="16.6V" data-source="post: 2837248" data-attributes="member: 574789">In that diagram the piston only moves a little distance. to move the piston all the way the design should be similar to a subatomic particle accelerator - that is top and bottom magnets are actually a series of smaller magnets working in a cascade manner to accelerate the piston.But seriously, 10kw is about 13 hp, if the piston is efficient enough, maybe you can force 1 pedestrian into a wave-like dance. But the energy of sound decreases with d^2, so if someone is going to stand 3m( 10 ft) away form the gun that person is going to be hit by 13/3^2= 1.4 hp. The question is this enough power to make a medium size woman dance a little?</blockquote>

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