190 psi ? That is 13.1 bar.Their normal pressure IIRC was ~190psi at sea level where he lived. Lord only what that reached at 35,000 feet.
Wow, I did not know bicycle tires are pumped that hard.
Anyway, atmospheric pressure is around 1 bar and that is pressing from the outside of the tire. Vacuum is 0 bar. The pressure inside the tires will stay the same as the tire contain it less a little flex. The difference is that at 0 bar outside pressure it will be as if the tire has a pressure of 14.1 bar on ground level. If the tires exploded because of that they were close to or over the limit to begin with. Am I wrong by thinking like that?
The same the atmospheric pressure will not influence the pressure inside a pcp reservoir as the reservoir is not flexing as a tire do. (Not as much.)
But, like said, it is the regulated pressure that matters.
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