Ignition Coil High Voltage Generator by SCR Trigger


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When making the voltage doubler (if thats what your using, but this goes for every other option too) you should use photo flash capacitors. This is because they are designed for a rapid discharge. It is fine to use regular capacitors, but they could get hot, and even explode. For the heater, it can be anything like a toaster, oven, light bulb, iron, etc… You will need it, though, because when you trigger the SCR, its almost like your shorting out the power. If you leave this out you will throw a breaker, and probably destroy some components.

Read more original source:
http://www.geocities.com/mistertippy/schematics/ignition.html



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