Website: thingiverse
Author: toddsplod67
Price: Free Download
File format: .Stl 3d printable
Description:
A four speed gearbox.The gears have the following teeth / ratios1st 40 18 2.222nd 38 22 1.723rd 36 26 1.384th 32 32 1.00 Threaded RodThe gears, hubs etc sit on 8mm threaded rod andare held in place by jam nuts either end.The threaded rod passes through some stands butreally some bearings are needed in