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Infinite lifetime spud gun igniter for 3$

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Infinite lifetime spud gun igniter for 3$

Unread postAuthor: RICHARDakaCHUCK » Mon Feb 21, 2011 11:24 am

I have designed cheap and pretty powerful igniter which can give about 2cm sparks. Uses 9v battery which lasts about 1 hour non stop operation. Using just to ignite the gas it would be enough for ~6000 shots for one battery.
I used scrap parts so it costed nothing, usually it would cost about 3 $ if you wound HV transformer yourself... It is also possible to use car ignition coil.
The circuit theoretically has infinite lifetime, in reality it will last manny times longer than pjezo (BBQ) igniters.
It is perfect for Spud Gun. It gives about 2cm sparks, but if you use better HV transformer it is possible to get about 7cm sparks.
Hope it will be useful for you...
[youtube]http://www.youtube.com/watch?v=2poxm2k89rw[/youtube]
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Last edited by RICHARDakaCHUCK on Tue Feb 22, 2011 9:18 am, edited 2 times in total.
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Unread postAuthor: jrrdw » Mon Feb 21, 2011 11:48 am

http://www.spudfiles.com/forums/crt-monitor-scavenging-t22265.html
Thanks and welcome to Spudfiles.

We got a few designs like yours around, the link above is just one of them...
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Unread postAuthor: RICHARDakaCHUCK » Mon Feb 21, 2011 12:37 pm

Hmm... Sorry, I haven't seen it... But still... Its finished version, low price, few parts which can be founded in TV or even old tube radio. And if you use no PCB and conect everything just one lead to another it can be fitted in the spud gun handle. Those made of whole flyback transformer has continuous spark and are quite large... And as I said, maybe it could be useful for somebody. I was searching google pretty long time and havent found anything as simple as mine's. :idea:
I think I'll improve my circuit later with SMD's to make it as little as possible and apply the improved circuit here to readers' judge. :wink:
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Unread postAuthor: POLAND_SPUD » Mon Feb 21, 2011 3:48 pm

Nice... personally I prefer to find, adapt and use ready made stuff instead of building something myself so kudoz for actually getting it to work

Welcome to spudfiles / sveiki!

Slavic power! :wink:
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Unread postAuthor: Heimo » Mon Feb 21, 2011 4:29 pm

welcome to the forum
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Unread postAuthor: jimmy101 » Mon Feb 21, 2011 7:41 pm

Seems like a buzz coil (battery, relay, ignition cap and coil) would be simpler.
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Unread postAuthor: JABN » Mon Feb 21, 2011 8:34 pm

Looks very nice. I tried making one of those with this schematic:

Plan 2
http://www.personalarms.com/schematics.htm

But I could get the 1k to 200k transformer. Is there a way I could make my self the transformer?
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Unread postAuthor: Technician1002 » Mon Feb 21, 2011 9:17 pm

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Unread postAuthor: RICHARDakaCHUCK » Tue Feb 22, 2011 9:39 am

Welcome to spudfiles / sveiki!

Nice! Did you use google translator or have anything familiar with LTU?

Looks very nice. I tried making one of those with this schematic:

Plan 2
http://www.personalarms.com/schematics.htm

But I could get the 1k to 200k transformer. Is there a way I could make my self the transformer?

It's realy hard to make such transformer, because the voltage will be pretty high and if done not properly transformer will burn after few sparks (if you have decided to make one use good insulation and when you're done pot the transformer into wax). It's viser to use two transformers and charge cap.
BTW plans 1 and 2 are actually prototipes of mines, but they use 555 timers instead of my two transistor oscilator. Also the first plan is pretty expensive in my country, because it requires a lot of HV diodes and caps which are really expensive.

I think I will apply the whole plan with videos, how to make a good ignitor. There I will shown how to make transformers and other esential parts... Because as I see there are some interested people. :wink:
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Unread postAuthor: POLAND_SPUD » Tue Feb 22, 2011 10:04 am

uhmm in case you haven't noticed I am a Pole :wink:

naahh I don't really have anything to do with LTU... but it is good to see more ppl from our part of the world

well, not to mention that we slavs are to unite, conquer the world, then turn everyone on this planet (especially those fat americans) into our personal slaves/b###### :D

anyway it's nice that you actually contributed something in your first post... most new members just ask questions that have been already answered over 9000 times... so kudoz for that
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Unread postAuthor: RICHARDakaCHUCK » Tue Feb 22, 2011 10:53 am

I have some polish blood too... But I live in Lithuania.
Thanks, I'm going to show much more. 8) Now I'm really interested in cheap, simple and compact ignitor research.
http://ultimatespudgun.com/30kv-igniter-p-219.html
The shortcut above is one good example of good ignitor. And I'm going to make something like that, but simplier and cheaper.
So lets wait a month (now I'm preparing for my exams so I don't have much time) and I'll apply the schematics and the whole process.
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Unread postAuthor: jackssmirkingrevenge » Tue Feb 22, 2011 11:09 am

POLAND_SPUD wrote:well, not to mention that we slavs are to unite, conquer the world, then turn everyone on this planet (especially those fat americans) into our personal slaves


I think you'll find that you're going to have to unite with us Westerners to defeat the Islamic hordes/Chinese first ;)
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Unread postAuthor: Labtecpower » Tue Feb 22, 2011 2:27 pm

our Geert Wilders will help you with that. :wink:

But, if you have an operation like that, I would like someone with brains, and without hydrogen peroxide bleached hair.

I like the ignitor, however i'm not going to do anything in the combustion / hybrid direction.
I think you're one of the few members that don't kick up a dead post, but contribute something usefull as their first action :D
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Unread postAuthor: JABN » Wed Feb 23, 2011 4:57 pm

Would making a marx generator do the job of making the spark?

http://www.youtube.com/watch?v=EGOqqIjq9SY
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Unread postAuthor: Hotwired » Wed Feb 23, 2011 8:43 pm

Yes but in packaging terms its even worse than a stun gun style spark generator.

RICHARDakaCHUCK wrote:http://ultimatespudgun.com/30kv-igniter-p-219.html
The shortcut above is one good example of good ignitor. And I'm going to make something like that, but simplier and cheaper.
So lets wait a month (now I'm preparing for my exams so I don't have much time) and I'll apply the schematics and the whole process.


You can't make anything more simple and cheap than those gas ignition things.

They're a battery -> oscillator -> capacitor -> solid state switch -> HV coil.

Heck I've made one and there's no simpler way of doing it.
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