Step 2: Putting it together
This step is fairly simple.
Live wire:
You will need to wire the live input from the mains to the dimmer and out again.
Then from the dimmer the live wire goes to the capacitor ( make sure its the + terminal if it is a polarised capacitor)
After the capacitor the live goes to the + terminal on the ignition coil
Neutral wire:
This wire goes straignt from the mains to the - terminal on the ignition coil
Also this wire will have to be extended past the ignition coil so it is attached to a bolt through your case. Basically this serves as the high voltage return for the high voltage secondary output.
Middle terminal on ignition coil:
This terminal is high voltage positive and will be arcing to the - of the primary. Run a wire from the middle of this terminal to a bolt in the case.
This whole setup will need to be submerged in oil to prevent arc overs. Transformer oil is expensive so I used sunflower oil ( £3 for 3litres in Tescos) and it works just as well. Do NOT use motor oil as this is volatile and might explode.
Use zipties to secure your apparatus and cover the drill holes with hot glue to prevent the oil leaking out.
Notes:
For my power supplyI used a 400w dimmer switch, a 0.1microfarad MOT capacitor.
Live wire:
You will need to wire the live input from the mains to the dimmer and out again.
Then from the dimmer the live wire goes to the capacitor ( make sure its the + terminal if it is a polarised capacitor)
After the capacitor the live goes to the + terminal on the ignition coil
Neutral wire:
This wire goes straignt from the mains to the - terminal on the ignition coil
Also this wire will have to be extended past the ignition coil so it is attached to a bolt through your case. Basically this serves as the high voltage return for the high voltage secondary output.
Middle terminal on ignition coil:
This terminal is high voltage positive and will be arcing to the - of the primary. Run a wire from the middle of this terminal to a bolt in the case.
This whole setup will need to be submerged in oil to prevent arc overs. Transformer oil is expensive so I used sunflower oil ( £3 for 3litres in Tescos) and it works just as well. Do NOT use motor oil as this is volatile and might explode.
Use zipties to secure your apparatus and cover the drill holes with hot glue to prevent the oil leaking out.
Notes:
For my power supplyI used a 400w dimmer switch, a 0.1microfarad MOT capacitor.
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This circuit is very-very dangerous and strictly speaking, lethal!!!
It uses live mains connectings and the high voltage pole of the ignition coil is directly connected to the mains (because the ignition coil is an autotransformer - do you know what this means?)! You can get lethal shock through that point!
Nobody use this device!
(A good question: have any professional ever checked these circuits up??)
You may avoid the graveyard using a good safety transformer between the circuit and the mains. Nobody use the mains directly when playing with high voltage! Protect your life - or you may get a Darwin awards...
I do agree it is still very dangerous, but so is everyday risks, like walking down stairs, i can always trip fall, and break my neck... and if one take extreme caution with the circuit it is fine.