VERSION 5

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Finally I decided to use my Jacob's ladder's 12kV neon transformer. I built a large tesla coil, about 4 feet tall. This is a "quick and dirty" tesla coil. I didn't do many calculations for the best performance, though I think it works well. This TC was made to be disassembled in a few minutes and put away easily (portable-like).

Below is the schematic diagram of version 5 tesla coil.

Nothing special here, however a safety gap and some chokes would be safer when used in a large tesla coil.

Specifications
Primary: 12 turns of 1/4-inch copper tubing, about 1/2-inch spacing, tapped to about 11 turns.
Secondary: About 1,500 turns, 3 feet from top to bottom, #23 gauge magnet wire on 4-inch diameter PVC.
Spark Gap: 3-segment multiple spark gap, 1-inch copper pipes about 6-inches long
Capacitor: MMC: One string of ten .15uF 3kV Cornell Dubilier capacitors, bought through Richardson Electronics. Overall capacity is about .015 @ 30kV.
Input V: 12kV, 60mA
Output V: Over a million volts??

This tesla coil used to have the worst example of a toroid, yet economical. I used a large ball of crumbled aluminium foil, but now I made a better toroid made out of aluminium dryer duct.

Version 5 Tesla Coil Pictures:


Version 5 Tesla Coil


Spark Gap


MMC


Version 5 Discharge Pictures:








2-3 foot long discharges


Ion Motor on toroid.



Discharges off a smaller coil secondary on top of the toroid.



4-foot long fluorscent tube on top of toroid.

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