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Old 07-17-2016, 08:27 AM   #1
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Exploding tires?

Someone posted a bunch of video clips of people getting thrown up in the air and getting their shirts ripped off when the were airing up tires. It freaked me out and now I'm afraid to check the air pressure in my tires. How big of a worry is this? I know anything g is possible, but is this likely to happen on regular rims or is that just a concern with split rims?

I'd appreciate any tips or advice on keeping my tires aired up without explosions.
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Old 07-17-2016, 08:54 AM   #2
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Any tire can blow with too much pressure but I am guessing most of what you have seen/heard about does involve either split rims or safety ring rims. Big rig tire shops typically employ a tire cage for any tire change or removal but some nitwits choose to ignore all precautions and work outside the cage. I have seen one video of a guy working right NEXT to the cage when a rim let go. It blew him up to and off the ceiling. Maybe 16 feet.

So...yes...big tires, especially certain rim types deserve extreme caution when handling. I discovered that one of the original rims that came off my '46 was the legendary Firestone RH5. Also known as the "Widowmaker". It is wedged into and will remain in a corner of my shop and avoided until I can get some chain to lash it with.

Best bet is to ID your rim type and do some research on any safety precautions that apply.

Be careful out there.
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Old 07-17-2016, 08:56 AM   #3
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LOL at this idiot-
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Old 07-17-2016, 09:04 AM   #4
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Old 07-17-2016, 06:58 PM   #5
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I wouldn't sweat it just checking the tire pressure, just don't try like the guy in the video and slash the tire!
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Old 07-17-2016, 07:41 PM   #6
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I'll admit- truck tires are scary to me, too.

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Old 07-17-2016, 08:56 PM   #7
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Not to be a smart-alek, but proper inflation is an absolute must.

If you are afraid of putting air in the tires, just think about the physics of losing one due to improper inflation.

I lost a friend years ago to a tire explosion. He owned a tire/frame shop and was putting an SUV tire on a rim. The explosion cut him in half. Really ugly. But the investigation also showed something comforting. The tire was rated at 36 lbs. the shop air system was 150 lbs. The inquest showed the tire didnt fail until more than 125 psi was in that 36 psi-rated tire.

It appears there is a HUGE safety factor engineered into these things.
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Old 07-17-2016, 09:13 PM   #8
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Oh- well I'm not at all afraid of putting air in my tires. I check them regularly.

Just- I've always had a fear of heavy duty tires. The stories of explosions and all.
When I was in tech school some jackass left a tire inflating and walked away. It was a motorcycle tire. Sounded like a bomb went off. The only noise that compares is a snub nose .357 fired indoors at close range with no ear protection.
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Old 07-17-2016, 09:54 PM   #9
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Yikes Scooby those explosions are so scary!

The cages are for when a new tire is put on buy the bead has not yet set (sealed against the rim) so they must inflate the tire way higher to get the pressure stron enough to seat the bead. Once the bead has been set the air pressure is relieved and inflated to the proper psi.

I set a few motorcycle tires, and once they reached 50psi, i did not keep going, i deflated, worked the bead a little and in some cases put lube in to help it slide on smoother. Still scary as heck after seeing vids of how dangerous tires can erupt.
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Old 07-18-2016, 01:11 AM   #10
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OK good. It sounds like checking and adding air to my tires is probably not going to cause any kind of a huge explosion.
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