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

Body

This coil is only good for its designed application "only"!


On 3/19/2018 8:46 PM, Mick [email protected] [EVGRAY] wrote:
>
> Norm,
>
> Would this be a good coil to use for the magnet snuffer on the center 
> pole, or only as the replacement for the battery if building the Tesla 
> receiver?
>
>
>
> On 3/19/2018 5:09 PM, [email protected] [EVGRAY] wrote:
>>
>> same applies to coil bangers to obtain OU  effects and also RV & 
>> EM-PM RVs genemotors ... call it the sweet point of the device !
>>
>> (H)
>>
>>
>>
>> ---In [email protected], <nwootan@...> wrote :
>>
>> 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 nwootan@... <mailto:nwootan@...> 
>> [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>
>>
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