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Sprial Pipe Cutter
Alun Hughes designed this simple tool to cut plastic water pipe in a spiral pattern so he can use it as a protective wrap around hydraulic pipe, electric cables, etc.
  The tool consists of a 4-in. long piece of metal tubing that's slightly larger in dia. than the pipe to be cut. A cutter blade, made from a sharpened piece of hacksaw blade, is fitted to a plunger inside the handle. The blade extends out through a slot angled at 65 degrees, giving it the correct cutting angle.
  To use it, you simply feed pipe into one end of the tube and rotate the tool around using the handle. It makes a spiral cut and "walks" the tool along the pipe. When you've cut enough pipe, you just withdraw the blade and slip the tool off. (Alun Hughes, Home Farm, Berwick, Shrewsbury, Shropshire, England)

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2000 - Volume #24, Issue #2