Re: Vibration use?
On the topic of the use of heat, he also mentioned that he uses what he calls "pulse heat" rather than steady heat when he does need to heat up a repair. He agreed that any use of heat should be avoided as much as possible though.
His pulse heat procedure was described as this: he uses small short flicks of a lighter with slight pauses in between while carefully watching the damage. At the first sign of movement, he stops heating. He says this eliminates overheating and excessive expansion.
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