Here I thought I was beeing vage but it is something very similar to this -
http://foresightproducts.com/pdfs/intro_mr_sr.pdf
Funny enough that is a very compeditive market and you don't really want the competion to know what your up to.
Also, the actual value energy value is 11 ft-lb, not...
I have no real way to know the actual hammer weight without finding a contact at the manufacture of the hammer or taking the one we have apart, which means it probably won't work again. As far as force to drive a rod in the dirt is something I'm looking for but haven't found an answer.
If that...
I'm working at a company that uses jackhammers to drive our product into the ground. Not much is known about the forces involved except that this size works for this application. We are trying to design a new drive rod and would like to be a little more scientific than we have been in the past...