Quote:
Originally posted by Jeff Weston
Based on what the guy at RW told me, I don't think heat will be a concern for Blaine's setup. The original RW design had little vents on one side of the gun above the trigger. I guess they realized that heat wasn't a concern so they no longer have this vent on the new ones and they haven't had a single problem according to RW.
As a heads up for anybody considering a RW, the guy told me a few weeks ago that they are working on a revision which should be out sometime next year so that the gun is only hot when the trigger is pulled. I don't know if this mod will be solely on the circuit board (about $50 to replace) or if there will be other changes to the gun. Perhaps the current guns will be able to be adapted to the new setup?
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The circuit board doesn't handle the current to the welding tip, it's strictly a speed control for the motor. That's why it's hot all the time. What they will most likely be doing is adding a solenoid of some type in there that will shift power to the tip when you pull the trigger.