Generator With a Small Pulley

[Tom Wesenberg]

Here is the generator I bought yesterday at the swap meet. It has a 2 1/2" pulley instead of the standard 3 3/4" pulley, so it will spin 50% faster.
I wonder if it was used on some special machine, or maybe like my late uncle, (a very slow driver) wanted to keep his lights and battery working at idle.

It would sure make slipping the belt on easy.