Transforming Steel Into Gearbox Main Input Shaft Posted: January 3, 2025 | Last updated: January 3, 2025 The amazing process of creating a gearbox main input shaft from scratch. Using a lathe ...

It has six gears: five stepped gears and one drive gear on the input shaft. First tests are accomplished with a 3D-printed handle, similar to a hand crank used to start really old cars.