Originally Posted by
FBinNY
what is the point of this thread???
The OP offers a calculation whose results match his actual experience, then invites debate. About what?
Whether I have made any mistakes. Someone else could have made the same calculation I did, figured out how s/he had made an error. Rarely does experience match theoretical calculations. I know my tubes have non-uniform thickness because they bulge differentially when I inflate them to search for leaks. Because thickness is in the denominator, an average doesn't capture experience. Responders had a wide variety of air loss, which was useful.
Originally Posted by
FBinNY
He mentions that he might be wrong and wants to learn. But he argues with every response.
It's a forum: a place for argument. Have you not read Plato? Some responses were so different from my experience I responded with argument. Can you not inflate a tube with a small puncture to 100 psi (inside a mounted tire, of course) and have it lose air much faster than permeation? Do tubes seal to tires when inflated, block movement of air out of the tube other than permeating the tire?
Originally Posted by
FBinNY
Later he mentions getting frequent punctures, but that has no relevance to his original question.
It related to some responses.
Originally Posted by
FBinNY
Please OP, spare us the runaround, what EXACTLY are you trying to figure out?
Nothing. I asked in case someone had made a similar calculation.
Originally Posted by
choddo
Actually, forget I said anything.
You have to think of that first.
Originally Posted by
Troul
maybe you could soak the tube in a tubeless sealant bath to reduce the time to which it losses air?
I wasn't asking how to reduce air loss, doubt this would work.