On Jun 21, 2:30 pm, wrote:
Dan : Which models of truck compressors would work good for a
homemade,
engine driven unit? I need to have the capability of developing about
25-30 cfm at
70+ psig for s shop project. Tankage is a 650 gallon propane tank and
I don't mind
ganging two compressors together and having split cut-in/cut-out
pressures.

Craig

None of the truck compressors will keep up with that. I've
been out of the business for 15 years now, but I don't think there's
anything bigger than the 24 CFM V-4 TF1000 made by Bendix or the 24
CFM Cummins twin. And it would cost so much that you could buy a
couple of big industrial compressors for the same money. The core
charges alone on these things were on the order of $750 15 years ago.
One of our shop compressors was an old deVilbiss originally
installed in a lighthouse to drive the foghorn. Around 50 CFM at 70
psi. I reset the thing to run at 150 psi to keep the bead blasters
going, and it had been running for five or six years like that when I
left. It wasn't supposed to be able to handle that load, since the con
rods and bearings were so slender, but it did. It had been bought at
auction by guys in the head office who didn't know any better and just
wanted to get something cheap. I had hoped to blow it up to teach them
to buy the right stuff in the first place, but the old thing wouldn't
cooperate.

Dan