Archie wrote:

Just another trade-off guys.
Helical gears = Quiet, Thrust effect, and limited strength.
Spur gears= Noisy, No thrust, and high strength.
Somewhere there is a median compromise per hp.
Archie

I am not sure I agree on the strength issue Archie.

Paul Lamar

Bill Freeman wrote:

Helical gears are rated higher than the equivalent
straight cut due to the longer length of line contact
and the fact that more than a single tooth is in
contact all the time.

Bill

 
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