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Fox's Mercantile

On 2/11/19 12:32 AM, wrote:
So, how can the coil deliver a spark
during the time the points are open, since the secondary is relying on
the primary (-) to complete the circuit, which is also being switched on
and off by the points. .

Sigh. When you open the points,the magnetic field collapses
which creates a HUGE spike, not related to the turns ratio.
The "return" is through the primary back to the + terminal
on the battery.

https://auto.howstuffworks.com/ignition-system3.htm

--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com