The magnet part is easy - I want to know what the heck you are doing?
Here is a place we have used.
http://www.liftonmagnets.com/LinkClick.aspx?fileticket=nDvIELfvVPs%3d&tabid=590&mid=1896&language=en-US
I wouldnt recommend electromagnets - unless you have a good control system.
Losi 8T 1.0, Savage Flux - XL style, LST XXL, Muggy, 3.3 E-Revo Conversion and sitting outside 425hp, 831 Tq Dodge Ram Turbo Diesel. It SMOKES
