Posted by Bob on October 09, 2008 at 20:51:30 from (69.178.228.68):
In Reply to: Re: Static Timing a M posted by rustred on October 09, 2008 at 17:36:56:
"the condeser stores the spark till the points open"
That's 100% WRONG. When the points are closed, both sides of the condenser are at ground potential, and NO energy is stored in the condenser while the points remain closed.
The energy that makes the spark is stored in the coil, as a magnetic field in it's soft iron core.
When the points open, there's no longer current flow through the coil's primary, so the magnetic field collapses making the high-tension spark.
The condenser's main function is to prevent arcing at the points as they open, which would dissipate energy as HEAT, rather than sending a HOT spark to the plugs.
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