<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">How big is the wire, and what material? I'm surprised you need this kind of current. My cutter used to run on a small 6V battery.<div><br></div><div>Phil M1GWZ</div><div><br></div><div><br></div><div><br><div><div>On 24 Sep 2015, at 16:37, Alex Fraser wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<font face="Comic Sans MS">I modified an old 20 amp DC power supply
for my how wire foam cutter. The old supply just couldn't provide
the amps to get the wire real hot. I use a lamp dimmer to
control<br>
the temperature. At a little over half a turn the wire gets
pretty hot. It makes cutting airfoils a lot easier. I'll work on
making it pretty now that I know it works good....<br>
<span><power supply small.jpg></span><br>
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