What Happens When A Backward-Inclined Centrifugal Fan Is Run Backwards?

In this video, New York Blower's lead aerodynamic expert and P.E., Matt Raymond discusses a commonly asked question, what happens when a backward-inclined centrifugal fan is run backwards?

Using a clockwise, size 33, airfoil fan mounted on an AMCA accredited test chamber, we are able to evaluate how wheel rotation impacts static pressure, air flow, and break horse power.

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