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At 14:17 15/01/01 -0800, Leigh Palmer wrote:
--) The ignition-spark system for a car has an important capacitor in it.
Oh? It had one in the old days which was a spark suppressor, used
solely to extend the life of the breaker points by preventing a
high current spark when the current through an inductor (the spark
coil primary) was interrupted.
Was that its sole function, or did it also increase the rate at which the
current dropped to zero, thereby boosting the ignition voltage? I have a
model ignition coil in the lab, with a removable "condenser". Removing it
makes the induced spark across the high voltage coil more or less disappear.