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Step 3Winding the coil
To wind the coil you well need:
- 2" diameter tube
- 1/4 lb of 20 gauge enameled copper wire
- ruler
- pencil
- small drill
- pliers
- wire cutters
1) Mark and cut the tube to length:
-With a ruler mark the tube at 5 inches from on end and wrap tape around the tube at that mark.
-With a sharp knife cut along the edge of the tape to make a nice even cut.
2) Using a ruler draw a strait line across the length of the tube.
3) Using the ruler make a mark on the line 1/2 inch from one end of the tube, this is were the coil well start.
4) Using a small drill, make a hole on the previously made mark, also make another hole about 1/4 down from that hole, the two holes well be used to secure the end of the wire.
5) Unwrap a few inches of wire from the end of your spool of wire and feed the end through the first hole drilled in the tube.
6) Pull the end of the wire through the first hole a couple of inches and then feed it back out through the other hole, this well lock the end of the wire onto the tube.
7) Start carefully wrapping the wire around the tube away from the starting hole. The hardest part is to keep the windings tight and even.
8) At the fifth winding use the pliers to make a loop in the wire by holding the wire in the pliers and folding the two ends down the twisting the wire around once.
9) Continue to wind the coil and make another loop at wraps 10, 16, 24, 32, 40, 52 and 65 after the loop at wrap 65 there are no more loops but you have to continue to wind the coil until you have 80 wraps. These loops well become the taps in the coil in the finished circuit.
10) Once you have made 80 wraps drill two more holes, one on the line and one about 1/4" above it, right next to the previous wrap.
11) Cut the wire from the spool leaving a few extra inches of wire to feed through the holes.
12) Feed the wire through the first hole and back through the second, just like at the start and pull the wire tight to insure the windings are tight.
13) Measure the tube 1/2 inch from the end of the windings and cut off the excess tube so that the tube is even.
- 2" diameter tube
- 1/4 lb of 20 gauge enameled copper wire
- ruler
- pencil
- small drill
- pliers
- wire cutters
1) Mark and cut the tube to length:
-With a ruler mark the tube at 5 inches from on end and wrap tape around the tube at that mark.
-With a sharp knife cut along the edge of the tape to make a nice even cut.
2) Using a ruler draw a strait line across the length of the tube.
3) Using the ruler make a mark on the line 1/2 inch from one end of the tube, this is were the coil well start.
4) Using a small drill, make a hole on the previously made mark, also make another hole about 1/4 down from that hole, the two holes well be used to secure the end of the wire.
5) Unwrap a few inches of wire from the end of your spool of wire and feed the end through the first hole drilled in the tube.
6) Pull the end of the wire through the first hole a couple of inches and then feed it back out through the other hole, this well lock the end of the wire onto the tube.
7) Start carefully wrapping the wire around the tube away from the starting hole. The hardest part is to keep the windings tight and even.
8) At the fifth winding use the pliers to make a loop in the wire by holding the wire in the pliers and folding the two ends down the twisting the wire around once.
9) Continue to wind the coil and make another loop at wraps 10, 16, 24, 32, 40, 52 and 65 after the loop at wrap 65 there are no more loops but you have to continue to wind the coil until you have 80 wraps. These loops well become the taps in the coil in the finished circuit.
10) Once you have made 80 wraps drill two more holes, one on the line and one about 1/4" above it, right next to the previous wrap.
11) Cut the wire from the spool leaving a few extra inches of wire to feed through the holes.
12) Feed the wire through the first hole and back through the second, just like at the start and pull the wire tight to insure the windings are tight.
13) Measure the tube 1/2 inch from the end of the windings and cut off the excess tube so that the tube is even.
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