Build Your Own Vortex Cannon



We’ve covered some superb giant smoke ring generators in the past, and here’s a smaller, simpler version you can build in a few hours. The smoke-ring shooting cannon is powered by a 12″ speaker which is boosted by an amplifier. As the speaker’s sub pushes air forwards, smoke (courtesy of a small smoke machine) is forced through the circular opening. Check out the video above for a how to demonstration:

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