This is a debatable question and answer. Unassisted it is Markus Stoeckl from Chile at 130.7 mph down a 45 degree slope, however, on flat trials the highest speed is about 40 mph. But, if you eliminate the drag and friction you can attain speeds of 152 mph as John Howard did in 1985 with motor pacing.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC