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Old 09-16-2007, 04:55 PM
blsnelling blsnelling is offline
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Why would we believe the number on one IR and not on another? I thought they were touted to be a reliable company with a long history? Has anyone bought this single-stage IR to disprove its claims? Would anyone have links to someone with experience with this compressor?

You mention that the 2-stage IR would be quieter than the single-stage. They both have the same motor. However the motor pulley is larger on the 2-stage causing it to run 1375 RPM instead of teh 100 RPM the single-stage runs. So the 2-stage is running fast and compressing higher pressure. Wouldn't that make the 2-stage louder and hotter?

Another thing. It makes sense to me that the single-stage can put out more CFM than the 2-stage. If you look at the cylinders on the pump, you will see that the cylinders on the single-stage are both the size of the larger cylinder on the 2-stage. It would only stand to reason that it would compress more. If you take one of those cylinders and make it smaller, as on the 2-stage, you're now making greater pressure but at a lower volume. Does that make sense?

Last edited by blsnelling; 09-16-2007 at 05:00 PM.
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