Circuit design

[Aash khan]

Hi, I’m teaching myself about building a circuit and currents. I am experimenting with old appliances and parts, I have a lot. I am a computer technician and would like to go further building things from scratch. I am trying to design a low voltage arcing from 2 prongs like a cattle prod or taser, then might go to a telsa coil, then Jacobs ladder. But first I’d like to complete the arc. I have a few designs which I believe should all run on the same principle. I am using an old li-ion battery from a laptop. It’s pumping out 11.30 volts. Components I’m using are: Battery DC output. 4 pronged car relay 12v Switch on off switch Volume switch 4.7 microfarad 50v capacitor 1000 microfarad 16v capacitor Ignition coil 12v. I am running from the positive terminal a switch to the 4.7 capacitor, which runs into the relay then to the 1000 capacitor to the ignition coil. The output of the coil is a stainless steel rod insulated with the tip exposed. From the negative I am running a volume switch to adjust the current, also a thick copper wire to arc out from the tip of the coil. I sometimes get a very small singular spark like static electricity but then nothing. I have tried researching the problem but either can’t understand the formulas or people are to busy to help. I have been told many different things also, so I’m lost on what to believe. I’ve been told I need AC current not DC I’ve also been told my power output is too small, I’ve been told I need a transformer, a transistor etc, I have pulled small transformers out of stereos and bridge rectifiers out but am not sure if I need them, diodes or anything else. Can you assist?

[AJISH ALFRED]

This link might give you some ideas

http://www.instructables.com/id/Carbon-Arc-Lights/?ALLSTEPS

 

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