Search through my posts, and you'll find a reference to a 20-foot-long 4-inch-thick plastic pipe that I bought to test a hypothesis about energy-efficient lighting design. The initial experiment failed to produce a usable implemetation of the lighting design, but I have a few more ideas that have yet to be tested.
Meanwhile, I just sold my air-conditioner, and was thinking to use the pipes to build a cooling tower, with running water and an electric fan. Then during evening meditations, a more pressing need occured to me... how about building a Wing Chun dummy?
These guys have published basic plans for such a device.
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