Things You'll Need:
- 1 2-by-4 cut 10 feet long
- Saw
- 1 3/8-inch plywood sheet
- Drill
- Screws
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Step 1
Cut the 2-by-4 foot board lengthwise, making it 1-1/2-by-1-1/2 feet. After that is complete, cut three 24-inch boards and one 23-inch board.
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Step 2
Measure and cut three 24-by-12 inch rectangles out of the plywood.
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Step 3
Stack boards on top of each other. Draw a curve across the rectangle. This is the side of the ramp. The more angled the curve, the more air the bike gets from launching off the ramp.
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Step 4
Create the curve in the ramp with the saw by cutting along the line you have drawn. Cut all three rectangles the same way.
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Step 5
Measure the curve. Divide the curve into three equal sections. Make squares along the edge in the middle of each section. They need to measure 1-1/2-by-1-1/2 feet.
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Step 6
Cut out the boxes you have drawn. Cut out the back corner of one of the curved boards. This is the center brace for the ramp.
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Step 7
Slide the 23-inch board through the notch in the center board. Line the other two corners up with this board.
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Step 8
Screw the sides to the 23-inch board.
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Step 9
Place the 24-inch board into the slats cut for them. Screw them into the braces with one screw on each end.
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Step 1
Cut the plywood into a 24-by-26 inch piece.
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Step 2
Score the back of the plywood. Cut lines 1/8-inch deep and 1 inch apart across the back. This allows the plywood to bend.
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Step 3
Screw the plywood into the supports.
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Step 4
Turn the ramp over.
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Step 5
Cut a 34-by-24 inch base out of plywood.
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Step 6
Attach the base to the ramp with screws.
