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Ignition Boxes?

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Ignition Boxes?

Unread postAuthor: risto » Sun Feb 25, 2007 6:22 pm

First, I'm sorry for being a total noob. This has probably been answered a few times before, but I can't find the thread, so i'm posting my own:

The little black ignition boxes:
Image
Image


What are they? I noticed they wire the chamber fan and the ignition together. Is it just a battery box with an igniter in the middle?

and where might I find one of these?
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Unread postAuthor: trae08 » Sun Feb 25, 2007 6:31 pm

http://www.launchpotatoes.com/index.php ... at&catId=6


sgort is known for custom boxes thats his site...


theres a bunch more people who make them i thunk but thats the only one i care to find atm
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Unread postAuthor: risto » Sun Feb 25, 2007 6:33 pm

wow, thanks a lot.

fast reply! haha
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Unread postAuthor: Hotwired » Sun Feb 25, 2007 6:33 pm

They are generally customised plastic boxes containing any electronics and switches needed to fire the cannon.

It could be just a piezo igniter in there but it could also be a stungun circuit with firing, safety and on/off switch.

Project boxes from electronics places like radioshack might be a good place to start but any sturdy container could do. Metal is ok as long as you've got everything insulated.
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Unread postAuthor: sjog » Sun Feb 25, 2007 6:54 pm

Those are not project boxes in the pics.
Both are battery igniters, that one takes AA bat.
The button unscrews to get at bat.
Top pic is 4 post, the user is only using 3 posts with one common ground.
It costs approx. 30 $
I've got one on my bench. www.ApplianceFactoryParts.com has them.
I used one a little different on a gun.
The one in the pic is easier to use because of the 4 posts= 2 pos 2 neg
People that can't get stun circuits make do with them .They are MUCH
better than pezios !
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Unread postAuthor: paintbfreak1325 » Sun Mar 25, 2007 8:14 am

sjog wrote:Those are not project boxes in the pics.
Both are battery igniters, that one takes AA bat.
The button unscrews to get at bat.
Top pic is 4 post, the user is only using 3 posts with one common ground.
It costs approx. 30 $
I've got one on my bench. www.ApplianceFactoryParts.com has them.
I used one a little different on a gun.
The one in the pic is easier to use because of the 4 posts= 2 pos 2 neg
People that can't get stun circuits make do with them .They are MUCH
better than pezios !


Do the battery ones work well. Do they wear out like normal piezo ignitors? What about the rotary ones seen here? http://www.appliancefactoryparts.com/ga ... _ign1.html
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Unread postAuthor: jjjd » Sun Mar 25, 2007 8:48 am

Yeah, iv seen those at home depot befor for like $25 canadian, but i already have an ignition box from www.spudshot.com, those are just like pizeo idnitions but use like 2 AA instead to make the spark
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Unread postAuthor: noname » Sun Mar 25, 2007 10:55 am

And if you hold the button, they click a few times per second. Auto combustion anyone?
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Unread postAuthor: lukemc » Sun Mar 25, 2007 12:58 pm

auto combustion would be imposible you would need to clear the chamber exteamly fast
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Unread postAuthor: noname » Sun Mar 25, 2007 1:01 pm

We've been over this topic before, we don't need to discuss it again.
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Unread postAuthor: SpudBlaster15 » Sun Mar 25, 2007 1:12 pm

lukemc wrote:auto combustion would be imposible you would need to clear the chamber exteamly fast


Impossible? Only if your imagination is limited.
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