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- 1). Remove the windmill head and rotor from the windmill rod using pliers. Pull the head away from the windmill rod. The rotor will pop out from the spinning mechanism.
- 2). Attach the windmill's rotor to the motor's rotor. Use super glue if the windmill's rotor is metal. Let the glue dry for 10 seconds. Heat the motor's rotor for 30 seconds, using a blow torch, and insert it into the windmill's rotor if the windmill's rotor is plastic. Let the plastic and metal cool for five minutes.
- 3). Measure and cut a 2-by-4-inch wood plank to a length of 14 inches, using a table saw. Cut two pieces from the plank to the length of 4 inches, which are the ground pieces. Cut one piece from the plank to the length of 4 inches, which is the ground stand. The remaining piece of plank with a length of 2 inches is the support piece. Cut a "V" shape into the top edge of the support, using a hand saw to hold the motor.
- 4). Position the ground stand from Step 3 vertically on a level surface. Position the ground pieces from Step 3 horizontally on the left and right sides of the ground stand. Nail the ground pieces into the side edges of the ground stand, using a hammer and wood nails. The structure makes an on-the-ground frame for the windmill.
- 5). Drill a 1/8-inch hole at the top edge of the base, using a power drill and 1/8-inch drill bit. Insert the fiberglass windmill rod into the hole. Adjust the size of the hole to match the diameter of the windmill rod. Drill a 1/8-inch hole at the bottom edge of the support piece. Insert the other end of the rod to the hole in the bottom of the support piece.
- 6). Insert the motor onto the top of the support piece, positioning it in the "V"-shaped cut-out. Secure the motor by wrapping elastic bands around the motor and support piece.
- 7). Strip 1/4 inch from an electrical wire, using a wire stripper. Insert one end of the exposed wire into the positive output of the motor. Insert the other end of the positive wire from the motor into the positive input of a battery. Wrap all exposed wire with electrical tape.
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