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Tesla's Valvular Conduit
by VeryWetPaint, published
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This is an implementation of Nikola Tesla's "Valvular Conduit" that acts as a one-way-valve without any moving parts.
This implementation follows Tesla's patent diagrams, perhaps too closely. It works, but the cap is a bit leaky so I plan to re-design it in the future.
I recommend building this model with transparent material at the base and switching to colored material for the upper walls for contrast. Cap it tightly when testing or glue the lid with glue along the entire channel to avoid leaks.
So far I've only tested it by blowing air through it. It flowed okay in the forward direction, but when I reversed it the pressure blew the cap off!
There are more pictures of how I built the transparent model at http://mysd300.blogspot.com/search/label/Tesla
Update: As users have requested I've uploaded DXF files for anyone who wants to attempt laser cutting the model.
I've added Tesla enclosed conduit.stl which builds the conduit in one piece so it doesn't require a separate cap. All overhangs span from wall-to-wall so it should build without much trouble.
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Tesla's Valvular Conduit by VeryWetPaint is licensed under the Creative Commons - Attribution license.
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