Originally Posted by
pacificaslim
Right. There is "max" pressure a tire can handle and then there is "proper" inflation for the weight of the individual. FWIW, I run my 28mm tires at 80psi, my 32mm tires at 50psi. A 1.5" tire is even wider so I'd run them even lower.
Generally your rolling resistance will increase as you drop pressure.
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This is Africa, 1943. War spits out its violence overhead and the sandy graveyard swallows it up. Her name is King Nine, B-25, medium bomber, Twelfth Air Force. On a hot, still morning she took off from Tunisia to bomb the southern tip of Italy. An errant piece of flak tore a hole in a wing tank and, like a wounded bird, this is where she landed, not to return on this day, or any other day.