1. Build a high-powered engine
2. Attach the engine to a long chain.
3. Attach a very small platform to the chain.
4. Stand on the platform.
5. Start the engine.
6. Hang on for dear life.

Behold Scott Whitesell‘s “Redheaded Stepchild” driven by the intrepid Jesse “Flash” Tasker:

And a second racer, the Radial Ripper: