[EricH]

Originally Posted by MCahoon

I think the F-P gearbox is 124:1. Pretty slow. Works for arms (like 330 has done with it). As was pointed out, there are a couple of other options for using the F-P motor, and which mount more easily. The kidney bean shape of the F-P gearbox takes some creative mounting work, and you still have to make something to couple onto a shaft (usually).

330 uses two further reductions for arms.

15000/124= 120 RPM output speed, roughly. What speed are you looking for (roughly)?