Great article on helmet use

William Domhart wrote:On a nerd note, it would be really interesting to rig up a dummy with instrumentation and do some testing of impact forces transmitted to the skull. Back and side of the head for lead fall impact. Top and back of the brain bucket for rock fall.

You're definitely onto something here William.
I'm envisioning one of those rubber kickboxing dummies with some shockwatch indicators stuck around the skull under various helmets.
Then get yourself a Louisville slugger and "swing away Merle!" (-M Night Shamalan style)
It would be interesting to see the results.
20kN?