You have gotta see this .
- Thread starter Eagleview
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powerstroke444e
Veteran Member
Wow!!!!!!! I have been lucky, everytime I think I know what is safe you find a new to scare me. I have heard the whistle from the heat with the valve steme removed many times but never again. Thanks for the post.
Abe460
Bronze Member
OMG!!!! did he say 22 hrs later? :shocked: If that's true, then what's to say the tire you're standing next to didn't get hit by lightning lastnight?
carpenter383
Platinum Member
Man! I've never heard of that, thanks for the link Iron Horse.
I have seated tire beads by spraying carb cleaner inside the rim and lighting it, but I had no idea of the danger.
I wonder why drag cars don't have this problem? There is alot of heat generated from doing a burnout.
I have seated tire beads by spraying carb cleaner inside the rim and lighting it, but I had no idea of the danger.
I wonder why drag cars don't have this problem? There is alot of heat generated from doing a burnout.
Scooby074
Super Member
Scary stuff. I never thought about it to be honest.
I went to trade school with a guy that had a split rim bow up on him. It almost killed him. Split his head open so i knew the dangers of a tie blowing when being seated , but i didnt think about the dangers from excessive heat.
Thanks for the eye opener.
I went to trade school with a guy that had a split rim bow up on him. It almost killed him. Split his head open so i knew the dangers of a tie blowing when being seated , but i didnt think about the dangers from excessive heat.
Thanks for the eye opener.
Abe460
Bronze Member
I would think most of the heat from a burnout is left on the pavement. This demonstration seems as if the heat introduced to the metal of the wheel can't escape.
It's just hard to believe that heat would re-seat the bead in some cases. We had a company vehicle's hub cease up pretty bad...just wonder if that could have been real bad for the guys.
firedog
Gold Member
I looked up the SADT (self accelerating decomposition temperature) for the material used in tires. It's 185 deg.C (365 deg. F).
Doesn't seem like much to get the chemical reaction in the tire going.
Doesn't seem like much to get the chemical reaction in the tire going.
Mousefield
Veteran Member
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The stuff we learn about, never gave much thought to heat and tires, then blowing up.
Wheatland KB
Silver Member
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Thanks for posting that. I have never welded on a tire but likely wouldn't have hesitated to put a small bead for some reason or another. Not now.
JB4310
Super Member
Pyrolosis! That's crazy, never imagined that, even deflating or breaking the bead is not enough to prevent it?
I would never heat an inflated tire, since I almost blew my head off from cutting a pressurized vessel with a torch, I have "pressure vessel exploding phobia" but I would think deflating the tire would be enough of a precaution, I guess not.
Thanks for the safety warning.
JB.
I would never heat an inflated tire, since I almost blew my head off from cutting a pressurized vessel with a torch, I have "pressure vessel exploding phobia" but I would think deflating the tire would be enough of a precaution, I guess not.
Thanks for the safety warning.
JB.