PPT Slide
ratios
N2 = 20
N1 = 10
Example: If Gear 1 turns at 100 RPM, then Gear 2 turns at 50 RPM
Gear 2
Gear 1
How to find ratios of speed between the gears:
w2 = (N1/N2) x w1 N = # of teeth
or
= (PD1/PD2) x w1 PD = Pitch Diameter
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