HelicalGear:
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Maximum allowable torque and safe horsepower capacity for helical gear.
Uses 45 degree helix angle parallel shaft helical gears based on the
gear tooth form factor.
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Form:
[ Load, Torque, Power, Thrust ] = HelicalGear( d )
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Inputs
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d (1,1) Data structure
.dia (1,1) Pitch Diameter (in)
.s (1,1) Maximum Safe Material Stress (PSI)
.f (1,1) Face Width (in)
.y (1,1) Tooth Form Factor
.pn (1,1) Normal Diametral Pitch (teeth/in)
.v (1,1) Pitch Line Velocity (ft/min)
.rpm (1,1) Rotations Per Minute
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Outputs
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Load (1,1) Tooth Load (lbf)
Torque (1,1) Maximum Allowable Torque (lbs*in)
Power (1,1) Power Capacity (Horsepower)
Thrust (1,1) Axial Thrust Load (lbf)
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Reference: Lewis Formula, Barth Revision
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