Here is the start of my crane build thread.
To start with I am building a Potain IGO 70 self erecting crane. If fully built it would be 7-1/2' Tall and 8' jib. It will have a electro magnet hook atachment. that will hopefully lift sea containers
Goto
http://www.youtube.com/watch?v=9zUpryfERLM for You Tube video of crane.
Paul H. Hanson