If you know all the distances it is simple, and these steps assume that your sidecut will not be narrower than the waist of your ski/board. This explanation will present the solution for the radius of the tangent circle. First, you know your running length, say 100 units. Second you know where you w...

Hey kids, I have 900 lbs of I-Beam that I think I'm willing to part with just in time to press your killer skis!!! 2x 108" (9 feet) of W12x50. The beams have not been drilled, just cut. I'd be happy to help you get it where you need to, but keep in mind each beam is 450 pounds so bring some fri...