Quote:
Originally Posted by pmueller
I see some one HP and two HP's. My guess is the 2 HP has more suction, but functionally speaking, whats the big difference in HP?
Will a 2 HP pick up more chips than a 1 HP?
My inclination is to go with a 2HP.
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Dust collectors are rated by airflow, not suction like a shop vac. The higher the hp. the larger the fan blade is giving more cfm. The average 1 hp.'s are usually rated at about 600-650 cfm w/ 3" hose, 2hp around 1200 w/4" hose. If you decrease the size of your hose you decrease the airflow (cfm).
For use with a single tool a 1hp. 650 cfm is adequate, but if you wan't to set for 2-3 tools go for something in the 1200 cfm range.