Quote:
Originally Posted by oil pan 4
Purge and Fill one trailer tire with 55psi of argon (a slow gas) and the other with 55psi of helium (conducts heat 6 times faster than air and something like 8 to 10 times faster than argon)
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That helium tyre isn't going to hold its pressure very long.
Diffusion rates for Helium are high due to its small atom size, pressure is high inside the tyre, as is the differential gas pressure to air (very low He content in air) ...