[TheForge] A Balancing act

[Steve Bloom]

On 3/5/2015 6:24 PM, Peter Fels & Phoebe Palmer wrote:
> Good Mike:
> Might as well toss in that, aluminum pulleys can wear irregularly with use, harder material to a lesser degree.
> Also, rubber V belts sometimes wear unevenly , especially around the lap joint.
> Last, if someone balanced the wheel with brazing rod and nothing warped…Then the amount of air resistance on individual vanes could also be irregular.
>    

w/o the fan -- it's quiet. New belt, used often, tension 
readjusted......thanks for the ideas but...well....doesn't seem to be 
the cause.

Steve