At 09:24 PM 15/06/98 +0100, you wrote:
>> The coils just have two outputs (one spark plug on each end of the secondary
>>windings) so each trigger fires two plugs simultaneously.
>
>>Problem with this is that one spark plug the center electrode is positively
>>charged, the other negative.
>>but one of the plugs wears out faster in the dual firing/single trigger
>setup.
>
>I had a Citroen 2CV for a while (don't laugh, it only cost me fifty quid
>with six months paperwork!) , this has a 'balanced' ignition such as you
>describe. Quite rightly the plugs do wear differently, one plates, the
>other pits. But they last ages 'cos you swap them ev'ry few thousand miles
>to reverse the process.
>
>

Humm, I thought that the entire engine was simply replaced every few
thousand miles as it generaly would have a conrod dissconnected from the
piston:-)

Dennis


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Dennis Plunkett: Embedded Hardware, Software design
NEC Australia DRMASS
ph 03 9264-3867

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