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Step 3Paddle mechanism and mounting to table
The paddles are each mounted to the table with a 2 1/2" long, 5/16" bolt, and a locking nut. Be sure to use locking nuts!
The bolts are loose enough that the paddles pivot easily, but tight enough that they don't rock or wobble. There are washers under the paddles to give clearance from the table.
To get accurate, precise holes in the table, I measured the distance I wanted and used a nail punch to create a starting hole for the drill bit.
Please examine the photos to see how everything fits together. I used hot glue to connect all the wooden pieces and dowels and knobs. Rubber bands are attached to the screw eyes in the backs of the paddles and to a dowel attached to the table. This creates resistance, and springs the paddles back into place after you strike the knobs outside the table.
The forward motion of the paddles is stopped by the knobs against the outside of the table, so I had to adjust the length of the dowels accordingly prior to gluing the knobs on. The knobs were drilled out partway to fit the dowels. Thick craft foam provides a cusion for the knobs.
Other parts of the table were added with hot glue. Dowels in the table were glued into drilled-out holes.
The bolts are loose enough that the paddles pivot easily, but tight enough that they don't rock or wobble. There are washers under the paddles to give clearance from the table.
To get accurate, precise holes in the table, I measured the distance I wanted and used a nail punch to create a starting hole for the drill bit.
Please examine the photos to see how everything fits together. I used hot glue to connect all the wooden pieces and dowels and knobs. Rubber bands are attached to the screw eyes in the backs of the paddles and to a dowel attached to the table. This creates resistance, and springs the paddles back into place after you strike the knobs outside the table.
The forward motion of the paddles is stopped by the knobs against the outside of the table, so I had to adjust the length of the dowels accordingly prior to gluing the knobs on. The knobs were drilled out partway to fit the dowels. Thick craft foam provides a cusion for the knobs.
Other parts of the table were added with hot glue. Dowels in the table were glued into drilled-out holes.
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