Spec, I forgot to mention earlier, there are four magnets in the original flywheel, so it has a wasted spark at the bottom of the piston stroke. CDI fires twice per revolution of flywheel, but only needed at top of stroke. I would think it has four magnets primarily for the lighting generator system. None of that should affect what I'm trying to do though. My modified generator has plenty of output.
Max
Hi spec,
If you look at the third schematic (Labled Finalized design.) in link 3 of post #6 you will see that they use a 12 volt to 230 volt transformer to produce the pulse that would have come from the high voltage winding on the original system. The 12 volts to the primary is triggered from the sensor producing one cycle of AC which is half wave rectified to charge the capacitor. In that circuit they are continualy triggering the SCR. I think it would be better if the SCR was triggered from the second sensor. I like the idea of the synchronous step up converter as it saves having to switch of the high voltage after every spark to unlatch the SCR. This is assuming that Max's CDI unit uses an SCR. When I was searching the web I was looking for the internal schematic of that particular CDI unit.
Les.
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