Some time ago i had to buy a new washing machine, and before i scraped the old one i took the electric motor off .
With some peaces of wood i have put the sander together, i wantend to make it small and easy to store, it mounts on a bench vise.
The disc has about 25cm diameter (10").
I have never used one before, and let me tell you this is a very nice tool, it will make life easier on a lot of occasions.
First use: