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Old 04-10-2018, 08:14 AM
John Buchtenkirch John Buchtenkirch is offline
MetalShaper of the Month October 2012
 
Join Date: Jul 2009
Location: Glen Cove, Long Island
Posts: 1,675
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When you hold the shrinking disc flat on the panel (about ½ of the disc touching) it searches out the high spots and let’s say for example heats 5 to 15 of them in one shot with lows remaining cool. So while it doesn’t shrink as much as one torch spot overall it shrinks more accurately if that makes any sense . I usually do my major shrinking with a torch and then fine tune it with the disc where it saves me a good amount of time. I prefer the Scott Knight’s style disc without the so called safety edge because it’s more flexible and conforms better to the panel but I had to retrain myself not to lift the disc off the panel until it stopped turning. ~ John Buchtenkirch
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