track layout help
A 300EX ... hmmm, maybe 40-45 foot jumps at the max? Depends on the suspension and how old of a quad it is. I think 70 feet is about the critical limit of a YFZ450 with stock suspension. You don't want to be casing anything more than that, or you're going to break something. Bone, aluminum, or otherwise
I liked your diagram ... very nicely done. One thing you will need to consider is the land that you have to work with. If this is one flat piece of land with no hills, it's going to be a very expensive and time-consuming endeavor. Usually it's best to look at the land you will be building the track on, and then sculpt it. Otherwise you will be buying A LOT of dirt.
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