How it Works

A clever way of mak­ing 200 sparks a sec­ond

Practical Classics (UK) - - CONTENTS -

Your ig­ni­tion sys­tem ex­plained.

As­park plug is supplied with 8000 to 15,000 volts to ig­nite the fuel and air mix­ture in the cylin­der. The ig­ni­tion sys­tem that makes this hap­pen is re­mark­ably sim­ple in prin­ci­ple. The clever bit is that it needs to be ro­bust and con­sis­tent enough to re­li­ably sup­ply 200 pre­cisely-timed sparks per sec­ond when the en­gine’s run­ning at full chat.

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