secondary voltage question

I may have something pdf format Jim. If so I'll email it to you.*
I agree gap and conditions affecting the difficulty th espark to jump will increase or decrease that voltage to initiate.
Here's expected secondary shapes for Chrysler, and HEI. This was found on g**gle awhile back. Now *uck*uckGo is better but doesnt have older web stuff. :(





*Looked but didn't find what I was thinking of .
Did find this page bookmarked which has Tektronixs Concept Books scanned and available. Tektronix "Concepts" Series Books