Hi Bung-ee,
The 470 ohm base resistors are only correct for 130' lengths of #20 wire, not for #18!!!
I made a 5 filar, all # 18 AWG 155' long coil and didn't get it twisted tight enough. It wouldn't run at one pulse per magnet at 470 ohms. Had to drop down to 220 ohms to get it up to speed. And the trigger winding being the same gage didn't help either. The whole thing ran and charged fairly well (especially in generator mode) but still wouldn't give me 1 to 1 on my old batteries. So the problems I had were wrong length, wrong size wire (too large), same size wire on trigger and power windings (trigger should be 3 sizes smaller), not twisted together tight enough, and old damaged batteries.
Do yourself a favor and get the proper coil from Teslagenx (130' x 7 #20 and 130' x 1 #23) that is properly litzed. That's what I did, and rebuilt the entire machine also using the circuit board with 470 base resistors from Teslagenx. Now I can get over 1 to 1 electrically in generator mode, while also pulling two fans!!
Using #18 wire will probably require a different size spool with a different length and different size base resistors than what's specified for #20 wire. If you want the results John got, you got to build it exactly like John did!! Once you become "skilled in the art" you can figure out on your own how to make it work with other sized wire. (I'm not there yet and I've been fooling around with it for nearly four years now.)
The 470 ohm base resistors are only correct for 130' lengths of #20 wire, not for #18!!!
I made a 5 filar, all # 18 AWG 155' long coil and didn't get it twisted tight enough. It wouldn't run at one pulse per magnet at 470 ohms. Had to drop down to 220 ohms to get it up to speed. And the trigger winding being the same gage didn't help either. The whole thing ran and charged fairly well (especially in generator mode) but still wouldn't give me 1 to 1 on my old batteries. So the problems I had were wrong length, wrong size wire (too large), same size wire on trigger and power windings (trigger should be 3 sizes smaller), not twisted together tight enough, and old damaged batteries.
Do yourself a favor and get the proper coil from Teslagenx (130' x 7 #20 and 130' x 1 #23) that is properly litzed. That's what I did, and rebuilt the entire machine also using the circuit board with 470 base resistors from Teslagenx. Now I can get over 1 to 1 electrically in generator mode, while also pulling two fans!!
Using #18 wire will probably require a different size spool with a different length and different size base resistors than what's specified for #20 wire. If you want the results John got, you got to build it exactly like John did!! Once you become "skilled in the art" you can figure out on your own how to make it work with other sized wire. (I'm not there yet and I've been fooling around with it for nearly four years now.)
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