thumbs_upBigger the better!
I use a 25 CFM compressor that has a 40 GAL tank. 5.5 HP, 240 Volt, 3 Phase.
This keeps a steady volume of air without the unit running constantly to keep up supply.
( all depends on nozzle size and pressure)
Others will give more advice on this no doubt....good luck!

Last edited by doc bob; 08/27/2009 1:32 PM.
"It's not a wreck......It's a natural resource!"
Quote-Doc Bob circa 2006

DOCS CLASSIC GARAGE
Specializing in Hot Rods,
Customs & Street Machines.
My pictures at..........
1936 Chev 1/2-Ton Holden Body


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