As a motorcycle rider and enthusiast, I like building bikes. I figured the closest thing to a motorcycle that has tracks is a snowmobile, so that's what I went for. I want it large enough to use good old PF, for added RC fun. First iteration for the front: Compact enough, but the skis lack a degree of liberty. Second iteration: Now I'm looking into the tracks. Snowmobile track suspension system is a lot less trivial than it looks: I'm not sure I'll replicate a