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Homemade Stun Gun With Continuos Spark

A place to ask general spud cannon related questions.
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Total votes : 19
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Unread postAuthor: GalFisk » Sat Oct 28, 2006 9:35 am

It's easy to get a capable step up transformer, just buy a stun gun, or ignition coil. With the setup as shown though, it will only produce a spark when the switch is being turned off (turning it on stores energy in the transformer, turning it off releases the energy). What you need is a way to pulse this current rapidly, which a stun gun already does. If you want it to be even faster you need to build your own circuit, and then things get a bit complicated.
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Unread postAuthor: kris » Mon Oct 30, 2006 10:32 pm

http://www.amazing1.com/shocking_electric_modules.htm than hit the free plans tab on the first item you can try to build it :lol: :lol:
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Re: HTSUT (High Turns Step Up Transformer)

Unread postAuthor: Flying_Salt » Sat Nov 04, 2006 10:59 am

Terryg43 wrote:Just out of curiousity has anyone located a HTSUT (High Turns Step up Transformer) that Urban Ninja was going to use with his ignition system. I'm in the U.S. and haven't had much luck locating one. Radio Shack has been no help. Thanx.......


One, try not to bold it, very hard on the eyes. And two, try looking on Ebay.
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Unread postAuthor: }O0{ » Tue Dec 05, 2006 6:50 pm

Current consumption of this device will eat all batteries of the world.
It will not work, probably. High current is needed to make a spark with 9V
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Unread postAuthor: }O0{ » Tue Dec 05, 2006 6:54 pm

Current consumption of this device will eat all batteries of the world.
It will not work, probably. High current is needed to make a spark with 9V.
I estimated 10Amps. Not sure.
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Unread postAuthor: Lordfetta » Sat Jan 20, 2007 4:53 am

My brother works in electrical retail and puts together setups for clients. I will get the setup off him, and post the results
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Unread postAuthor: Zimdale » Sun Jan 21, 2007 10:58 pm

Man ya could always just go with a neon light transformer. Bring in there a current spark of 10,000 volts. Cept ya gotta be close to a wall to plugin :(
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Unread postAuthor: sandman » Thu Jun 14, 2007 6:03 pm

well from what i can see all his HTSUT is, is a flyback transformer

they can be found in TV's and old computer monitors
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Unread postAuthor: beebs111 » Sat Jun 16, 2007 10:25 am

you dont need high ampreage to arc electricity, that is the voltage, a stungun has high voltage and very low ampreage, if you want a continuous spark jsut buy a stungun, that will be less complicated high ampreage work that could get you killed while screwing with a flyback.
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Unread postAuthor: sandman » Sat Jun 16, 2007 10:33 am

i dont think a stungun is a continues spare, i think they are pulsed
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Unread postAuthor: Hotwired » Sat Jun 16, 2007 12:20 pm

A DC pulse into the kind of transformer proposed will produce a single spark output.

Hooking up DC to a transformer will not produce a constant output aside from heating the coil and draining the battery like mad.

If you want continuous DC pulses to get a continuous HV output through a suitable transformer you need either an electrical circuit or a mechanical system to provide the pulses.

I've not got the will to work out a circuit but a mechanical setup could be a ignition coil with at least one input contact attached to a small electric motor to cause an electrical pulse into the coil every time it came round to make the contact.

That would result in a HV output spark with each contact made and broken. It would spark as fast as the motor could turn.

Not as compact as a totally electrical arrangement but very simple and easy to understand.
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Unread postAuthor: Fnord » Sat Jun 16, 2007 12:31 pm

Thinking back a ways, if I remember correctly tesla used motors to try to produce high freqency AC, but then discovered that discharging a leyden jar(sp?) through a transformer created high frequency alternating current, on the order of millions of hertz.

I dont know if this is correct(its been a while...), so if someone knows for certain please say so.
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Unread postAuthor: FiveseveN » Sun Jun 17, 2007 8:53 am

This discussion is going nowhere, but for the sake of science...

Wikipedia wrote:the primary and secondary circuits were [...] tuned so that they resonated at the same (high) frequency (typically, but not always, between 25 kHz and 2 MHz)


So 2MHz is 2 million Hz.
But what do Tesla coils have to do with the high inductance transformers that started this topic?
A leyden jar is a capacitor. Connect it to a transformer and power supply and you have the primary side of a Tesla coil. To make anything useful you need to tune the transformer's secondary and another cap (the torus) to the 1st LC circuit.
And you get pretty plasma, but you'd be MUCH better off just sticking to a battery, an inverter (oscillator, driver, what ever you want to call it. You only need 2 transistors) and a transformer. Just don't expect foot-long sparks from a 9V battery.
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