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Old 03-03-2007, 02:25 AM
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air compressor motor RPM

i am looking to buy a 2 stage air compressor for body work at home. the two finalists are Eaton and Castair. both are comparable in price and quality, the Castair is build in my home state of MN and i will save $200 in shipping over the Eaton. the one thing i am nervous about is the castair motor spins at 3450 rpm and pump spins at 710 RPM, where the eaton motor spins at 1750 RPM and pump spins at aprox 800 RPM. the compressor will be in an unheated garage next to my shop. Eaton says that "MOST" the 3450 RPM motors need to be in a heated compressor room. i would like to hear some opinions before i call castair because i am sure they will say it will be fine. also how many true CFM does it take to run a DA in the real world.
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