Quote:
Originally Posted by RogerM
a 20T pinion to an 80T spur is 4:1 * gearbox internal (say 2.5:1) = 10:1 overall
a 20T pulley to an 80T pulley is 4:1 * gearbox internal (say 2.5:1) = 10:1 overall
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No need for fine pitch belts and keeping the same teethcount either:
a 15 teeh pulley against a 60 teeth pulley gives the same 4/1 ratio