Whatever it was, I was done for the day. I later discovered that a coupler between the engine shaft and the hydraulic pump failed dramatically. It was an easy fix once I ordered the right part ...

Interfacing a shaft to a 3D printed gear doesn’t have to be tricky. [Tlalexander] demonstrated a solution that uses one half of a spider coupling (or jaw coupling) to create an effective modular ...

Line shafts with metal bellows or elastomer inserts, for torques ranging from 10 to 660 Nm (up to 25,000 Nm custom available). Source: DieQua The structure of a precision line shaft is similar to that ...