Don't give up on ideas that may fail, it just may also work. I spent 1 year on a concept that corporations gave up on years ago that so far is an improvement on their original design. Think of obstacles as challenges and in no time you'll be amazed at what can be accomplished.
Using magnetic energy as a way of driving a wheel is a radical idea, almost as radical as using an electrical motor to drive a car. We are running out of fossil fuels people, those with alternative ideas will be rewarded years from now.