So you're WELDING on a wheel with 90 PSI of pressure in the tire!
I remember a trade publication article about a service station operator, think it was in Texas, who was plugging a steel belted radial that had been filled repeatedly with a fix a flat type aerosol. The propellants in the aerosol were combustible. When the station owner pushed the file like rasp to open up the puncture hole, for the plug, a spark inside the tire ignited the mixture.
$40,000 in damage to the station and the gent "fixing" the tire settled for something like $960,000 in court. The side of his head after mulitple surgeries was still caved in like some of the vets who were hit with IEDs.
This demonstration reminds me of the Chevy truck fuel tank explosions that were later found to be triggered intentionally.
regards
Mech
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