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I recently dug up some old photographs of a tiny Tesla Coil I built back in 2004/2005, almost 10 years ago. I recall that there was some sort of competition going on back in the days on the old white then dark-blue 4hv forum for the smallest tesla coil you could make. I can't seem to access the archives, but I finally got a page up on my tiny coil. It has a 5mm diameter secondary (that's less than 0.2"!) and made sparks just around 10mm. :) I also *finally* did a writeup on it here:
Here's me winding the tiny coil with wire so thin it broke once when I was trying to wind it.
And the coil making sparks twice the diameter of the secondary (the secondary looks fatter than 5mm because it has clear heat-shrink over it)
So my question to everyone: what's the smallest Tesla Coil you've ever made?
Registered Member #8120
Joined: Thu Nov 15 2012, 06:06PM
Location: Moscow, Russia
Posts: 94
Does this 3D printed one qualify?
For a real tesla coil, the smallest one i made was about 20cm tall, on top of a 10x10x10 cm box containing the guts. Variable spark gap, ran on a taser transformer powered by 4 AA batteries, could make 100 1cm sparks a second, or 2-3 10 cm ones a seconds, depending on how wide you made the spark gap. No pictures at the moment, since it was a birthday present to my nephew.
I like making small scale stuff - it feels like more of a challenge.
For a real tesla coil, the smallest one i made was about 20cm tall, on top of a 10x10x10 cm box containing the guts. Variable spark gap, ran on a taser transformer powered by 4 AA batteries, could make 100 1cm sparks a second, or 2-3 10 cm ones a seconds, depending on how wide you made the spark gap. No pictures at the moment, since it was a birthday present to my nephew.
I like making small scale stuff - it feels like more of a challenge.
Artlav that looks really nice! I agree with you that building small coils is a slightly different challenge in itself. I've recently been working on some small table-top sized projects which are easy to carry around in a small bag.
On another note, is anyone able to access the Archives from the 4hv main menu on the top left? I just get an error message saying: Warning: mysql_connect(): Access denied for user 'a4hvorg_enigma'@'localhost' . I recall some very nice tiny coils in that tiny tesla coil thread back in the day.
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*Tiny* Telsa Coils
