Tag Archives: Ignition

Arduino Controlled Electronic Ignition

Success! I have started and run the engine on my own electronic ignition. The problem was in the end quite simple, it turns out that the missing tooth wheel on the crank was aligned differently to what I expected. I thought that the missing tooth occurred 240 degrees after TDC, but in fact it appears to be aligned almost exactly at TDC. This meant that my spark was happening around Bottom Dead Centre, which is no use at all!

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First Test

Today was the first test of the engine with the control unit and it worked! Albeit only for a short time and a bit roughly (only had about 10 minutes to test). Initially I just needed to check that the ECU was triggering the ignition and fuel injection, and find a roughly suitable ignition angle.

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