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boxful of camera flash ignitions

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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boxful of camera flash ignitions

Unread postAuthor: silverdooty » Wed Oct 10, 2007 9:14 am

a buddy of mine's daughter just got married.
This is not a How-To, this is merely what I did in my spare time yesterday.
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Last edited by silverdooty on Fri Oct 26, 2007 8:25 am, edited 2 times in total.

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Unread postAuthor: jimmy101 » Wed Oct 10, 2007 12:44 pm

What a great find! Aren't those disposable flash boards amazing little devices.

Nice writeup to, would make a good addition to the SpudWiki.

I've fiddled with a similar setup, though never installed it in a gun. The spark makes an amazingly loud bang when it works correctly.

I wonder, with all those photoflashes...

Line up several near the muzzle of a spudgun, tripod mount a camera with a "bulb" shutter setting (the shutter stays open as long as the button is pushed), trigger the flashes on the sound of the gun firing, figure out a way to sequentially fire the strobes (tricky but not impossible), set everything up outside on a moonless night, fire the gun and try to get several images in the picture of the spud leaving the barrel.
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Unread postAuthor: silverdooty » Wed Oct 10, 2007 4:41 pm

other than a battery of coil guns and couple more ignitions i don't know what i'll do with them.

maybe shock collars for the grand kids :o
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Unread postAuthor: VH_man » Wed Oct 10, 2007 5:24 pm

attach ALL of the capacitors to one circuit and make a coilgun????

thats what i would do......
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Unread postAuthor: Novacastrian » Wed Oct 10, 2007 9:35 pm

Thanks Silverdooty, i always wondered how to make one of those, and i'm not the best with electronic schematics- your pics make it a whole lot easier to understand :D
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Unread postAuthor: thespeedycicada » Wed Oct 10, 2007 9:40 pm

He he he gotta love them camera flash circuts they are loads of fun!
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Unread postAuthor: mark.f » Thu Oct 11, 2007 5:45 am

Nice writeup. There are still people who don't know how to use a flash circuit in this manner.

I WOULD at least get a project box or similar enclosure to put your circuit inside of, though. One bare appendage across those capacitor terminals and you are in for a world of pain. :twisted:
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Unread postAuthor: silverdooty » Thu Oct 11, 2007 6:29 am

many people get scared when it comes to electronics. they see the circuit board, the switches and the wires and figure it is too hard or tedious. also, a lot of the kids here want their launchers to done quick so BBQ sparkers are predominant.

BTW:it is in a project box. and
After everything was assembled and test fired the board got a couple of coats of liquid tape to prevent accidental arcing.
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Unread postAuthor: mark.f » Thu Oct 11, 2007 4:12 pm

Ah, I see. That part was sort of stuck between the picture and your conclusion. Didn't see it there.
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Unread postAuthor: tsb » Fri Oct 12, 2007 6:43 am

Great find mate, i wish i had a boxful of them :), I might go down to the stores and see if they have any old ones, i've never actually tried a camera flash setup.
Nice write up too.


Cheers,
tsb
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Unread postAuthor: NewB » Sun Oct 14, 2007 8:06 pm

I just go to Target and they give me them for free!
I have a box of about 30 of them.
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Unread postAuthor: windshrike » Sun Oct 14, 2007 8:09 pm

Wow, my dad got about ten for me when he went to get pictures developed. Places like CVS practically give them away(they actually do give them away free, but you have to ask).
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Re: boxful of camera flash ignitions

Unread postAuthor: xequa » Sat Nov 24, 2007 11:56 am

silverdooty wrote:a buddy of mine's daughter just got married.
This is not a How-To, this is merely what I did in my spare time yesterday.


I'm not seeing any media that shows what you did with your loot! Did you edit it out?
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