DirtyBird:
Yes, it has gone a bit off the intent, but related. (IMO). Any way, it's been very informative and in some ways challenging. I haven't done the search on the ignitions yet, but I will. Sometimes I get so wound up reading about one thing or another I find I've put in 5 hours or more behind the computer screen and that time should have gone into building (seeing as how we've had the worst possible weather in the north east in years...woke up to frost this morning. Haven't seen frost this early since I was a little tot and they say we're having global warming? Where is it? I haven't been able to fly in weeks, rain, rain, hail, rain...) Off the subject again...I am with you in your thinking..
It seems strange to me that if you go to the compexity of putting an oscillator and a transformer in the primary circuit why not go all the way to say 6000 volts and dump the capicitor directly through the spark plug. That way you could eliminate the output coil.
Seems to me this is very possible. Off to the search...Thanks...