Originally Posted by mrctggs
I see. But the inflating of the tires then takes a lot of time I guess? Due to the cross section of the valve being the bottleneck, the compressor can't inflate the tires as fast as it theoretically could.
I run 32" x 11.5" x R15's
from 15psi to 40psi using a double piston compressor takes me less than a minute per tyre
if I ran an "endless air" on board system that runs off a converted air conditioning compressor I could halve it.
small cheap air compressors sold by your average ebay shop are useless, they have poor duty cycles and get slower with each tyre. the minimum capability should be a 100% duty cycle, then its about max PSI, quality of fittings, single or dual pistons, quality of connectors, hoses, gauges, servicability, size of onboard tank etc.... that being said, any well built "endless air" installation using a Sanden compressor will be cheaper but better than the most expensive portable 12 system
like anything, spend the money wisely after doing proper research and you get what you paid for.
military rated on board inflation systems are an order of magnitude better.