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Old 08-18-2008, 11:30 PM   #1 (permalink)
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DIY hovercraft is built from junk and scraps

Everybody loves hovercrafts. They're one of those fun, impractical vehicles that make much more sense as a remote controlled toy than as a legitimate mode of transportation. But what if you don't want to pay top dollar for a fancy remote controlled hovercraft? Make it yourself from junk, of course!
The workings of a hovercraft are fairly straightforward: one high-power motor with an airplane propeller forces air down through the hole in the center, which pushes the bottom of the hovercraft off the ground. This greatly reduces friction, allowing the hovercraft to scoot around without much trouble...The body of the hovercraft is made out of styrofoam, cut with a saw and sanded to smooth the edges. The skirt on the bottom is made out of pieces of a plastic GAP bag, attached with Scotch tape and hot glue. The radio control unit was scavenged from an old boat I had, along with the drive motor mounted on the wooden supports, while the lifting motor was from my physics teacher. The battery is 300 mAh 6V NiMH (or NiCd, I forget), and I have a pair of them. They were about $6-$10 each (again, forgot) and about $12 for the 2 1/2 hour charger. The servomotor for steering was from an old RC car I had.
How awesome is this? If you're feeling crafty, head on over to the website to see how to make one for yourself. Project Hovercraft, via Make



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