Re: AW: Re: [EVGRAY] Sven, this is old style 3 pole magneto coils for Outboard Marine outboards!

Body

The .026 mfd condenser was a perfect "L/C" match so do your math and 
solve the impedance of the iron core coil!


On 3/19/2018 7:12 PM, 'S.friedrich' [email protected] [EVGRAY] wrote:
> Hello Norm, that means this vote could not reach with any other LC!?!. 
> For me that seems to be an ignition coil with breaker contact like the 
> old Vw beetle. But this capacitor is very small, how big was the 
> inductance of the coil in Henry?
>
>
> Von Samsung Mobile gesendet
>
>
> -------- Ursprüngliche Nachricht --------
> Von: "Norman Wootan [email protected] [EVGRAY]"
> Datum:20.03.2018 01:02 (GMT+01:00)
> An: [email protected]
> Betreff: Re: [EVGRAY] Sven, this is old style 3 pole magneto coils for 
> Outboard Marine outboards!
>
> Sven, this 3 pole coil design was used for many years by Outboard 
> Marine Corp 40s up to the 70s in the two cylinder magnetos.  I had a 
> magneto test bench where I could experiment with the careful timing 
> adjustments of the breaker points (before breakerless solid state 
> commutation).  by careful adjustment of breaker gap/timing you could 
> get magneto operating at peak of resonant curve in the "Ultra high Q" 
> region!  At idle, (300 RPM) a very well tuned magneto of this design 
> would yield a good one inch bright blue arc.  The condenser for this 
> type of coil was .026mfd which was a "perfect match" to the impedance 
> of the iron core coil.  I had various values of condensers 
> (capacitors) but only the proper value would yield maximum performance!
>
>
> On 3/19/2018 6:02 PM, Norman Wootan [email protected] [EVGRAY] wrote:
>> https://m.ebay.com/itm/Ignition-Coil-for-Some-Early-Model-Johnson-Evinrude-2-Cylinder-Replaces-584477-/220888888795
>>
>> Sent from Yahoo Mail on Android 
>> <https://overview.mail.yahoo.com/mobile/?.src=Android>
>
>