Posted by redforlife on July 01, 2023 at 21:41:23 from (174.213.212.21):
In Reply to: implosions posted by rustred on July 01, 2023 at 08:20:07:
Tire air pressure is obviously an outward pressure. But under water pressure, is an inward pressure against the air pressure within the tire. At a certain depth, the pressure would be equalized (as in 32 lbs of air pressure internally, and 32 lbs of water pressure externally against the internal air pressure. But going on down deeper than that, the water pressure gets greater, and the space of the air begins to get restricted to a smaller space. Compressing the air into a smaller space would increase air pressure until one of two things happened. Either the tire would blow from being imploded, or it would lose its air by some other means such as pushing the bead inward off the rim. John in LA, makes a good point about tubes if it's not a tubeless tire. Valve stem hole would change things, and I can see what he's saying about that. In that case, it's probably logical that the air space would keep getting restricted down further until the rising air pressure inside the restricted space popped it's way out of the tube. This would likely happen inside the tire carcuss itself, and the escaping air from the tube would likely just make its way out the valve stem hole.
At 6,000 psi underwater pressure, the water is basically going to get into where any air is, and take up that space instead of the air. Once that happens, the show is over. The only way to prevent this from happening, is to keep the water out of that air space. No small feat at 2 and a half miles down.
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