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Transistor car ignition: Some clarity please
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<blockquote data-quote="Ampdog" data-source="post: 89064" data-attributes="member: 144"><p>Thanks again gentlemen.</p><p></p><p>No, not silly questions, but all checked beforehand. The ignition w?s isolated as the culprit.</p><p></p><p>We interchanged the coils of the Nissan and the faulty ignition system in the meantime. (A pumpkin leaf for me to not have thought of this earlier.) That isolated the Toyota transformer as the culprit. Also no cudos for me for not having figured out matters correctly - 10mS is the time between sparks for a four cylinder engine at 3000 r.p.m! The coil charging time cannot even equal that or nothing will work.</p><p></p><p>It was found that this coil was in fact available separately from dealers at a fraction of the cost of the brand part - in fact, they want to sell only the whole unit at a few kilo-R. The coil will be obtained tomorrow and the device be tested on the bench.</p><p></p><p>Informative experience for me. I also aim to have a scope look at other transistorised systems, courtesy of a few friends.</p></blockquote><p></p>
[QUOTE="Ampdog, post: 89064, member: 144"] Thanks again gentlemen. No, not silly questions, but all checked beforehand. The ignition w?s isolated as the culprit. We interchanged the coils of the Nissan and the faulty ignition system in the meantime. (A pumpkin leaf for me to not have thought of this earlier.) That isolated the Toyota transformer as the culprit. Also no cudos for me for not having figured out matters correctly - 10mS is the time between sparks for a four cylinder engine at 3000 r.p.m! The coil charging time cannot even equal that or nothing will work. It was found that this coil was in fact available separately from dealers at a fraction of the cost of the brand part - in fact, they want to sell only the whole unit at a few kilo-R. The coil will be obtained tomorrow and the device be tested on the bench. Informative experience for me. I also aim to have a scope look at other transistorised systems, courtesy of a few friends. [/QUOTE]
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Transistor car ignition: Some clarity please
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