I finely got it. It took almost a year buy I did it. The hole key to completing the loop is a flywheel. Build as if it were an ICE except magnet is piston and fuel. Thanks to Don Adsitt of http://www.theverylastpageoftheinternet.com/ for the inspiration.Here is a video of one of my (many) early ramps: http://finance.groups.yahoo.com/group/o ... les/Jason/