![]() ![]() Use the line you drew to make sure the 2圆 is completely vertical.Īgain, the 2圆 goes 18" into the plywood, which was pre-calculated so that two cuts could be made from one sheet of plywood. Next, attach a 2圆 (or a 2x4 or just anything that is at least 7' and straight) to the (3/4)" sheet of plywood. When you are making a ramp, you should only draw the transition once, then cut out the piece and use it to trace the rest of the transitions.įirst, draw a line (or just two points), that go along the width of the plywood that are 18" into the plywood. I draw the transition twice to demonstrate that you can cut two sides from one sheet of plywood. The following is directions for cutting the transition for a 3 feet and 6 inches tall halfpipe, using a transition radius of 6' 10", see the bottom of the page for how the transition differs for other ramps.Ī couple of notes on this video: I used a platform instead of just a 4x8 sheet of plywood so that I could stand it vertical for the video, when you are drawing the transition you can just lay the plywood flat on the ground. These factors will depend on the ramp you are building. So, to draw the transition, you just need to figure out how large of a radius you want for your curve and where to start/end the transition. Here's how it works, when cutting a transition, the curve always follows that of a perfect circle (unless you want an irregular ramp). The String and Compass method can be used to draw smooth and precise transitions. Check out the Xtreme Skater Ramp Tool for calculating the transition cuts.
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