A couple of two-by-fours cobbled together made for a simple boardslide rail. That basic skate obstacle was the first thing Nate Wessel built back in 1984. It filled a need for something to shred, and ...

My father is looking into building a ramp. He wants to know if there is a maximum steepness a ramp should be for people to be able to push stuff up on it.<BR><BR>Would something like a 25% slope be ...