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Author Topic: Coil Resistance  (Read 70 times)
pd
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« on: January 03, 2018, 11:39:36 AM »

Because our electrical / lighting seems to be marginal , at best , and in order to have this info in our data base for testing purposes :

What resistances has everyone found regarding ignition ( HT coil ) and  lighting coils ?

I think it would be nice to have that info for original Simplex as well as what ever aftermarket systems have been used . If for no other reason than comparison .

Pete . Smiley

« Last Edit: January 03, 2018, 11:43:00 AM by pd » Logged

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pd
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« Reply #1 on: January 04, 2018, 09:38:38 AM »

Please allow me to be the first . Wink

The following are resistances measured from my '57 Phelon magneto .

OEM Simplex Phelon ignition coil : 14.11Ω
Note : this measurement was taken from my OEM coil that has the outer casing removed via a cleaner I tried using . The cleaner turned the casing to mush , literally . I was able to remove the leftover casing and found the winding ends that were suppose to feed the spark plugs . So , there might be a slightly different reading , due to my coil not having the connections meant to accept the HT wires .

New replacement Cushman ignition coil : 17.7Ω out of the box / 17.66Ω installed .

Upper lighting coil : .5Ω

Lower lighting coil : .7Ω

Headlight coil : .9Ω

Note : All three lighting coils were measured when in unmolested original factory wrappings .

I have rewound the headlight coil and since , have a much brighter light .
I intend on rewinding the upper and lower coils .
I'll post resistances for all three rewound coils after I get them done .

Pete . Smiley
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