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Re: The ongoing kudos of the Pertronix Ignition'


On 29 Oct 97, scott a keck wrote:

> >I thought only engines with generators/alternators and batteries could 
> >have electronic ignition.  Aren't most of them are still some 
> >variation on the original magneto (which uses points?)  All of my 
> >small engines have points, but most people don't know that they are 
> >in there, hidden under the flywheel.
> >
> >Of course most of these engines are older than my T3s ;-)

> Briggs and Straton has been using electronic ignition for years. 
> They even have a kit to update older engines to electronic
> ignition...  And it's cheap!!!

My B&S small engine manual was ony inches away, so I pulled it out 
and found reference to 3 ignition systems which they use: a MAGNETRON 
transistor unit, a flywheel type, and the MAGNA-MATIC.  You must mean 
the Magnetron since this is called a transistor unit.

I looked to see if there was any explanation of how this worked, but 
I can't find anything.  They refer to it as "no moving parts", but it 
seems like there are still points invoved; is this correct?  

I'm not convinced that this would fit within my definition of an 
"electronic ignition" but I agree that this is at least a grey area.

Can you describe how they work?  It looks to me like at most it would 
be a transistor triggered magneto where the transistor is just 
triggered by the points or more subtlely by a second magnetic pickup 
or something like that...?

Jim
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       Melissa Kepner                                    Jim Adney
                             Laura Kepner-Adney
                         jadney@vwtype3.org      
                             Madison, Wisconsin
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