Choosing the right engine is important. Depending on the thickness of metal and size of electrodes you intend on
using. A 12 horse is capable of running 1/8 inch rods that fill thick metal pieces quick, but can be cost prohibitive
for some. A 9 hp will run 3/32 inch and a 5 horse will burn 1/16th all day long. It all depends on what you intend
on using the machine for.
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