Black Frog.....YOU DA MAN!!!!! That was awesome. Thanks for finding that article.

I don't want to say I told you so but..... WELL YOU KNOW!!! LOL

Anyway, dimensional analysis is way to indepth to explain here and I will not even attempt it. I have only used this technique a couple of times in applied situations. But the point is that KE, mathematically speaking, is the only quantity that can relate to penetration.

I love this stuff!!!!