Multiple ignition coils to generate high voltage?
Even in my youth, I experimented a lot with high voltage, for example with Jacob's ladders, Tesla coils, high-voltage transformers, and simple circuits. However, I never got hold of inexpensive ignition coils, but now I was lucky enough to buy six at auction at a reasonable price.
I would like to connect them together to generate the highest possible voltages. However, there are very few circuits, and they only work with a maximum of two coils. I would like to connect more than two coils. How could I achieve this?
Thank you in advance.
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Don't cut off Paul's copyright xD
To answer your question: That's just not possible.
Ignition coils are always directly connected to the circuit via a high-voltage terminal. This is unavoidable because this terminal is internally connected to one of the low-voltage terminals.
So if you tried to connect several in series, they would short-circuit across the rest of the circuit.
Even two in series only works if you connect them anti-serially on the secondary side, ie so that the combined connections are in the middle.
And don't even think about opening the ignition coils and breaking this connection. Firstly, there's often oil in them (which is messy), and secondly, you'd still have the problem that the outer ignition coils have a significantly higher voltage between the primary and secondary coils, which could easily blow out.
But with a good control system, you can already get around 80-100kV from two ignition coils, which corresponds to discharges about 10cm long. If you want an even higher voltage, you'll probably have to build a cascade or a Marx generator. Or a Tesla coil, but you apparently already have that.
Good luck and take care ^w^