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[patvetzal]

I have a few old oil tanks out behind the barn that I cut up when I need some sheet steel. Until then they have plugs in the fittings to keep the wildlife out but all summer we hear the "boings" as the sun hits them in the morning and then again as they cool off.
I once bulged one by trying to blow fuel oil in an overhead line to a furnace in the next room. Forty years ago, but it probably only took 5-8 psi...

[slimjim]

I would bet it was a lot less than that, when we patch 1/4 inch thick boilers and pressurize them to check for leaks they are doing the boing thing by the time they hit 4-5 pounds, I never go above about 10 pounds, I happen to enjoy life and I have been in the shop when a tractor trailer tire exploded from setting the bead with just a little to much ether, believe me when I say it's not a pleasant experience!

[mlappin]

I would bet it was a lot less than that, when we patch 1/4 inch thick boilers and pressurize them to check for leaks they are doing the boing thing by the time they hit 4-5 pounds, I never go above about 10 pounds, I happen to enjoy life and I have been in the shop when a tractor trailer tire exploded from setting the bead with just a little to much ether, believe me when I say it's not a pleasant experience!

We used to have a guy around that would take his pocket knife, scrape the nitro off extremely old dynamite then flick the nitro at stuff, one thing he wouldn’t do is use ether to seat a tire. He passed away, we never did find the rest of his dynamite even though we went thru everything, he must have disposed of it himself as we helped with the auction, and like I said, never found anymore of it.

Another neighbor had some in a shed, he passed away and one of the relatives found it, fortunately they had the good sense not to touch it. Called the bomb squad in, supposedly two of them went in the shed and came out white as sheets. They stacked round bales around the shed, hosed the round bales down thoroughly then lit the shed on fire and burned it all, bomb squad guys refused to even try to move it. The round bales were to protect the house from either the fire or if it went off.

[aarmga]

I would bet it was a lot less than that, when we patch 1/4 inch thick boilers and pressurize them to check for leaks they are doing the boing thing by the time they hit 4-5 pounds, I never go above about 10 pounds, I happen to enjoy life and I have been in the shop when a tractor trailer tire exploded from setting the bead with just a little to much ether, believe me when I say it's not a pleasant experience!

Just had one go off at 100psi.  They are supped to hold at 120 but the sidewall gave out.  The tire hit the ceiling dented the garage door and flipped the tire cage upside down.  I can see why people get killed from those tires.