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From : cheaphardwarez
Added: Nov 21, 2007
Simple & powerful plasma cutter that you can build at home for under $300! It cuts up to 1/2 inch steel. This is what I made to cut sheets of 316 stainless for building hho cells. It makes cutting stainless like cutting butter. I found that 4x8 foot sheets of 316 cost only $150 so I needed a way to slice them up. Please be aware that there is an error in the schematic at the end which will keep it from working correctly. This video was made in a hurry. I will post some move videos with all the correct info if anyone cares. Engineers told me it was to hard to do and it would take them a year to design a plasma cutter. However, if plasma cutting was invented by accident during world war two then I knew I could do it on purpose. A home made torch head is super cheap, however I choose a replacement torch head because they have better air nozzle control and make a smoother cut; $125 of the price was spent on the "replacement" torch head. I have sold plans in the past, but really this is just to good of a tool to not let everyone know how to build one. So this is my gift to the DIY community.. Please note that in this schematic the inductor and water resistor needs swaping, otherwise it will not work!. The resistor can not be in the torch wire it must be in the work clamp wire.
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