Quote:
Originally Posted by Conor Ryan
The air pressure in your typical latex balloon is [ambient air pressure]+0.005 atm. Convert that to PSI.
**pours gasoline**
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Well, gauge pressure in FRC is pressure above atmospheric, so you just need to convert .005 atm to PSI. That is, .073 PSI.
And the pressure in a balloon is significantly higher than a wind sock, since pressure stored in a balloon is actually stretching the latex of the balloon out, where a windsock is just stiffening / taking shape.