Suck it up and buy a belt sander — or re-purpose a tool he already had to do the same job. He chose the latter, and turned an angle grinder into ... Using a lathe he created the aluminum rolling ...

he did it all without any fancy machine tools. No lathe? No problem – the drive roller was ground to the proper crowned profile needed to keep belts centered using the angle grinder itself.

In this video I show you how I make all necessary parts to convert this pump to a belt grinder motor and cast a fitting aluminum drive wheel all without using a lathe. Just a little disclaimer ...