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Thread: Anyone familiar with High voltage

  1. #9
    Not really I am Bob's Avatar
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    Thanks, I'll look into it. I have a rocket scientist and a computer engineer that will most likely be helping me with the coil.
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    I built the tesla coil that Instructable is based on back in 1982.
    It does work, but not very well. There are much better designs out there.
    If you are interested in building tesla coils, I recommend "The Tesla Coil Book, How they work and how they are built" by Brent Turner. It's chock full of the theory behind how they work as well as lots of safety information. He gives a few designs that you can use to build some very nice coils, but if you study the book he will teach you how to design your own.
    Be safe.

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    Lucky Greenhorn Lil Stinkpot's Avatar
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    Quote Originally Posted by seedjar View Post
    I tried to build a Tesla coil with a friend a few years back, but it turns out that it's very difficult to make the actual coils without a machine shop and a good degree of skill. We hand-wound a few before figuring this out; the most successful result was when the wires started to melt without our tripping circuit breakers or sending showers of sparks across the garage.
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  4. #12
    Let's positive thinking! seedjar's Avatar
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    Haha - I was just glad the building never caught fire. Had a few close calls, one with a wooden workbench and another with some rags we made the mistake of leaving around. Pro tip - keep your workspace very clean!
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    Funny this should come up! I just bought a small 2.8 million volt taser to dissasemble and mount on something else for a cool sci-fi project.

    I want to make the contacts remote from the electronics /power pack with longer leads. There are several electrified items I want to make, though I'm not one of them!

    Electronics aren't the only dangerous thing one can do at home. I was making some embedded nepenthes pitchers in clear polyester resin and the stuff heated up so hot it boiled all the color out of the 8" N. hamata pitcher I was working on and the glass I was using to mold the piece started smoking. Had I added just a tad more catalyst and gone for a walk as it cured I might have been able to have a nice warm fire!

  6. #14
    Let's positive thinking! seedjar's Avatar
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    LOL - I have taser plans that include a spring-loaded mechanism to launch the contacts up to ten feet. The abstract notes that there are tasers which use explosives to launch the contacts, but a weapon that uses chemical propellant is considered a firearm by federal law. I bet you could mount it on an RC car or something, though. :D
    ~Joe
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    swords's Avatar
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    Actually I just want to mount the leads on something other than the front of the factory housing, not have them launch or anything like that. I'm curious if the arc will electrify a larger, solid metal piece if the contacts are mounted so the arc has to pass through the metal. Also, will the larger metal piece have a visible arc covering it? I.E. "look" electrified.

  8. #16
    Let's positive thinking! seedjar's Avatar
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    Some metals luminesce (or is it phosphoresce?) when electrified, like tungsten and other metals used as lightbulb filaments. What we think of as visible electricity is actually electrified air, I believe. You might find some useful information if you research Jacob's Ladders, which are those antenna-looking things with lightning arcing between them in old monster movies and such. I think you could get an arc if you connect one lead to the plate and put another nearby, but I'm not sure it will give you the results you're looking for. In ordinary air, the arc will tend to choose the shortest path, so it will more or less be a straight line between the plate and the other contact. If I recall, those plasma ball things where the arcs swirl around use a partial vacuum or some sort of noble gas or something to even out the resistance and allow the arcs to drift.
    ~Joe
    o//~ Livin' like a bug ain't easy / My old clothes don't seem to fit me /
    I got little tiny bug feet / I don't really know what bugs eat /
    Don't want no one steppin' on me / Now I'm sympathizin' with fleas /
    Livin' like a bug ain't easy / Livin' like a bug ain't easy... o//~

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