http://gripperhell.blogspot.com/ http://www.software-henritzi.net/Articles/...ationDevice.pdf At the BBB2 contest Dave Morton was telling me about the gripper calibrator he and Greg had come up with. It sounded like just exactly what has been needed for a very long time in our sport so I was excited when Greg sent me his article and pictures. I welded one up ASAP (mine mounts in my power rack) and ran all my grippers thru it along with the few I have borrowed at the moment. My numbers ca