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Hot Wire Cutter for Foam

July 23, 2009
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I’ve been wanting to cut some foam wings for little gliders for a while now, and eventually start bagging them. So I decided why not make a foam cutter now? The main frame is 1/4″ spruce, the cross brace is a dowel and the cutting wire is a string from a cello. The power source is a 7 cell NiCD pack, it’s the perfect temperature for nice clean cuts. It’s 2ft long, so I can cut a good amount of things. I made this specifically for HLG 3 piece wings. I’ll eventually make a bigger one for larger wings.

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