Hi everyone, I've joined up to see if I can learn a few things. I found this site when I was searching for how to make a clamshell - I found Jared's barge mounted clam. It really helped when I made mine. Now I'm looking for some advice on where to get some good crawler tracks. Here's a link to my crane, rigged up as a dragline:
http://www.youtube.com/watch?v=b3L6KKcHdQI