One wheel tractor?

[Creamer]

You can order small pieces of copper or aluminum sheet of various thicknesses from a McMasterCarr or MSC. They are both online and will ship same day.

 

[larryfoster]

Thanks, Brad and Creamer.
This is one of those side projects.

Also, two of the bolts are "stripped out.
I think they're 5/16".

Helcoil or drill and tap to 3/8"?

 

[Leejohn]

Helcoil.

 

[larryfoster]

Thanks, Leejohn.