pic: Another concept study

[Tom Ore]

Originally Posted by AdamHeard

It looks like they aren't facemounted, but rather front pivoting cylinders. The crossholes in what appear to be the mounts must be what they rotate on.

You are correct - the cylinders pivot.

Last year we did use fixed cylinders with the traction wheels. The arc error was only about 0.010" so we made the holes oversized to accommodate it. With this concept the tractor wheel rotates too much for a fixed cylinder.