pic: Cheap 6WD

[MrForbes]

Originally Posted by sdcantrell56

Also, why use hardwood? Baltic birch is more than strong enough and is a lot more uniform than hardwood lumber.

We found several appropriate sizes of oak boards at our local building supply stores, but we did not find any baltic birch. If you have birch readily available where you are, then you could use it.

The bearing issue is something that needs to be tried out. I'm still waiting for a parts request from the students so I can get some materials.....