I very much like this subject especially the use of 2 stroke motorcycle ignition coils by jwindixie. And I will explain below.
When I was a kid I was working on my motorcycle and damaged the coil underneath flywheel that powered the ignition coil that mounted underneath the gas tank. I didn’t have a lot of money so I carefully un-rapped the copper wire off the coil under flywheel that powered ignition coil and shortened it about 12 inches where I had damaged it with a tool then re-soldered it to where it went and put it all back together and it worked. If I remember right their were 2 of these type coils underneath the flywheel. I think one powered the head lights and one powered the ignition coil.
What I think I may do is I have a zephyr engine I am going to be working on soon since Kevin (Big Thanks to Kevin 😀 ) has mailed me the parts I needed for carb from Canada. What I may do to this motor is I have an extra magneto for a zephyr I will experiment with it. I will cut off the old bendix ignition coils guts/wiring on the experimental zephyr magneto and re-wind them with insulated copper wire like goes in an electric motor like 1/16 inch in diameter copper wire. I will then use those copper wired coils to power 2 each 2 stroke ignition coils like jwindixie did and that will eliminate the need for a battery.
I think this will be a great way to upgrade/experiment on 1 of my 3 zephyrs and see if I can get it to run more efficiently than the other 2. Someone reading this may know of better coils to use for this type of experiment and I will have to do some research on the wiring of my 1969 Yamaha 60cc lol to see how it was wired and the type of ignition coil used.
Joe
http://www.dansmc.com/magneto1.htm
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