The Significance of Tungsten Points Gap of Distributor - II

If the gap of tungsten points of distributor is becoming smaller, it will prolong the closing time of tungsten points; it will store more ignition coil ignition energy; current formed in the primary coil will be relatively larger before the tungsten points is opening; the maximum secondary voltage is relatively higher when the tungsten points be opened.

If the gap of tungsten points of distributor is becoming bigger, it will shorten the closing time of tungsten points, which will bring about the result that the ignition energy will reduced and the maximum secondary voltage will dropped. And it will have the consequences that ignition advance angle will increase because the opening time of tungsten points is ahead.

So, the gap of tungsten points of distributor should be not too small. If the gap is too small, it will strong contact spark will be formed and the primary ignition energy will be lost when tungsten points are closed, ultimately tungsten points will ablate. And the maximum secondary voltage will be reduced because primary current circuit setting off incompletely.


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