I recommend cutting the transitions first. (2)1/4” x48x96 masonite or other ramp surface-final layer.Cut list-(8) 3×4 plywood 21” tall transitions with a 4′ radius.With a flatbottom that small the walls come up quick. The flatbottom on this ramp came out to just over 54” and every little bit helps. I chose to do this because on a ramp like this, compromises have to be made and while the decks are very important, so is the flatbottom. Another reason to do (2) quarters per side is because running 10′ 2x4s on the tranny’s can cause a flex in the middle of the ramp at the coping and could make the coping stick out too far or not enough.Ī deck should have at least 21” on it so you can do disasters and boardslides, but given this space, I could only afford to do one of my decks at that size, the other was 14”. By making (2) per side it was easier to maneuver them into place and all I had to do was screw them together with a few 3” screws. For this ramp, I chose to make (2) 5′ wide quarters per side giving a total of (4). If you space your 2×4’s every 8” than you will need approximately 10 2×4’s per quarter. I chose to make this ramp 21” tall so that a 6’1” dude can skate it without hitting his head on the roof(unless he’s getting super gnarly). In this case, our ramp foot print is 10′ x 12′ 10”(I don’t like things that are 13’s) with a 98” tall ceiling.
Determine the useable square footage for the ramp.
#TRANSITION RADIUS FOR MINI RAMP HOW TO#
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