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Build an adjustable bike jump for kids

Step 3Assemble the frame

Assemble the frame
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 Frame assembly is simple. Lay the pieces fat on the ground, measure, drill holes and screw.

The 15" cross pieces provide support. The rear piece is 10" from the ends of the 50" lengths. The front piece is 16" from the ends of the 50" lengths.

Drill holes and countersink, and then drive the screws in at an angle to make the connection. Do the top, and then flip the frame and screw from the bottom. This makes a very strong frame. Only screwing from one side makes a significantly weaker frame.
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Author:murphtron