Re: Placement of Ballast Resistor Continued

Posted by Gary Schafer on January 15, 2006 at 19:01:52 from (71.57.149.211):

In Reply to: Re: Placement of Ballast Resistor Continued posted by Gary Schafer on January 15, 2006 at 16:01:58:

As a follow up on the condenser:
If it were not there an arc would start at some time as the points were opening, as the magnetic field was collapsing, and the primary voltage rose to a certain level.
When the arc occurred it would stop the collapse of the magnetic field (an arc provides a very low resistance). This would not allow the secondary voltage to rise to its full value as it would if the arc had not occurred at the points.

This is why the ignition system will still operate without a condenser but at reduced efficiency. The engine may run poorly in this condition. The points would also burn in a short time.

Regards

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