Posted by JDEM on May 20, 2019 at 09:49:17 from (47.33.231.52):
In Reply to: condensors posted by hadley on May 20, 2019 at 09:00:09:
Sometimes there is a difference. It is more about the coil windings and not the system voltage. Many so-called "6 volt" systems use the same coils as some "12 volt" systems.
The condensor is there to balance the electrical arc across the points in an attempt to keep it even. So the capacitor is rated in microfarads and is supposed to be matched to the inductance of the coil.
Long story short - yes, condensors/capacitors vary, but not by a huge amount. In tractors they can run from .18 MFD to .28 MFD. If one is not matched correctly the engine still runs fine. The points just burn out prematurely.
My Ford tractor with a 6 volt system has a coil with 1.1 ohms on the primary and calls for a condensor with .21 to .25 MFD.
You can find these sort of specs on any tractor, battery or mag if you research it.
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