AetherScientist,
This is an interesting development which parallels something I discovered in the last few days.
I am not using a car ignition coil, and so am dealing with relatively low voltage. Still I was having the same problems with extracting useable power from the caps, which were charged from an AV plug. Here is the start of my solution:
I decided to take six small (50pf) ceramic caps and charge them in parallel and run them to an LED light. The light began to glow.

Then, I ran a ground wire to the negative terminal of my lead acid battery powering the circuit, and my voltage at the bulb doubled.
I will keep experimenting.
Bob
This is an interesting development which parallels something I discovered in the last few days.
I am not using a car ignition coil, and so am dealing with relatively low voltage. Still I was having the same problems with extracting useable power from the caps, which were charged from an AV plug. Here is the start of my solution:
I decided to take six small (50pf) ceramic caps and charge them in parallel and run them to an LED light. The light began to glow.

Then, I ran a ground wire to the negative terminal of my lead acid battery powering the circuit, and my voltage at the bulb doubled.
I will keep experimenting.
Bob
i though the diode is broken ( short circuit ) i tested them and tried again the experiment with/without diode the same thing happen more diode in just one side kill the power ...


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