small gear
23/32 - 11
large gear
2 inch - 38 teeth


Gear 1: 
N = 11
D = 0.611
P = 18
PA = 20

Gear 2:
N = 34
D = 1.888
P = 18
PA = 20

Gear 3:
N = 38
D = 1.9
P = 20
PA = 20

Gear 3:
N = 12
D = 0.6
P = 20
PA = 20