picking out right air compressor

6string wrote:
I want to buy anew air compressor that will air up my tires on my phaeton motorhome. I usually run them at 110 psi. Will a 150 psi compressor be big enough?

I have a 150psi compressor and it works for me, but I usually run my tires at about 95 psi. You probably know that the compressor doesn't maintain 150 psi. Per the gauge mine only goes up to about 145 before the compressor motor turns off. I haven't checked it recently, but it probably drops down in the 120 range before the motor comes back on. So if you're trying to inflate to 110 and the pressure goes down to 120 before the motor comes back on it may be slow going toward the end. One way to get around that is just release air from the compressor until the motor kicks back on and let it get back up to over 140 and then try inflating again.