Take a thick enameled copper wire (i used 28 awg wire). leave few inches of wire and wrap it around an aa battery to form circular loops. make around 12 15 loops and then cut the wire. remove the battery carefully. wrap both the loose ends of the wire on the loop at the opposite sides to form a coil as shown in the image above. Step 5: completing the rotor. add ball bearings of 26 x 8 x 10 mm on both ends of the dowel. as seen on the second picture, the ball bearing has some eva foam sticked around the ball bearing to reduce vibrations and noise. once your rotor is done time to make the motor frame.
Step 4: building a rig to hold the coil (part 1) to begin building a rig to hold your coil you need to first creat two tiny shelves using two paper clips. bend one of your paper clips into an " l " shape. using a pair of needle nose pliers bend one of the ends of the paper clip up to form a shelf. repeat steps 2 and 3. You will need to cut out pairs of 7 by 4 inch, 1.8 x 6.8 inch, and 1.8 x 1.8 inch rectangular foam board pieces. once these are ready, glue the four smaller ones to one of the larger pieces in an overlapping design at each corner, and then follow the rest of the instructables tutorial to complete the setup. 5. pcb motor. 2. roll wire around a cylindrical object like a battery to make a coil. take the d battery or any other cylindrical object and wrap your wire around it at least 7 to 10 times with 2 inches (5.1 cm) of wire sticking out from each end. this will create a coil that will ultimately make up the majority of the motor. [2]. 4. replace the insulation paper lining the stator if necessary. first, pull out the old paper out of the slots in the stator using a pair of pliers or tweezers and make sure the empty slots are free of debris. then, measure the width of the slots and cut a sheet of insulation paper into strips of the same width.
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