pic: 4183 Custom Machined Wheel

[GeeTwo]

Originally Posted by Nathan Streeter

Being a team that works with wood a tremendous amount, you probably know... but is a .5" hex sufficient for a wood drive wheel (even if it's only ~4" diameter)? I would think you'd at least want to make sure the interface didn't have slop.

I believe this is the answer (emphasis mine):

Originally Posted by GUI

It is designed to mount a VersaHub to interface with a 1/2" hex shaft, and the blue nitrile tread is attached with CA glue and staples.

As I read it, the hex hole in the wood isn't for torque transfer, but presumably for alignment.