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Homemade ignition help

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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Unread postAuthor: ralphd » Sun Jan 06, 2008 12:02 am

I picked up a flash unit at a local thrift shop. As soon as I figure out a few things I'll let you know. So far I haven't been able to get a spark without the tube. I did scare the crap out of my wife when I discharged the cap with a screwdriver. Here are a few links I found here on Spudfiles....very interesting...

http://www.spudfiles.com/forums/viewtop ... tml#146198
http://www.angelfire.com/80s/sixmhz/camera.html
http://members.misty.com/don/kflashf.gif
http://members.misty.com/don/kflashe.gif
http://members.misty.com/don/kflashm.gif
http://members.misty.com/don/fflash1.gif
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ralphd
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Unread postAuthor: rp181 » Tue Jan 15, 2008 8:34 pm

for some reason, with no tube, when contact is made where you trigger flash, i get a spark from ground to trigger wire. This is supposed to happen, but its dumping the whole main cap int scondary transformer. This gets a hot spark.


Try to make it dump whole cap into secondary transformer.
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Unread postAuthor: souljahz_unite » Wed Jan 16, 2008 6:54 pm

What do you mean by the secondary transformer? And does anyone have an easy schematic to help cuz im SO lost its not even funny :S
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Unread postAuthor: Carlman » Sun Jan 20, 2008 9:14 am

so how did you get on?, i need one of these soon...

Edit: didnt see the other page :D

EDIT: yay 250 posts, RED STAR wahoooo :D :wav: :walk: :tongue2: :sign4: :sex:
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Unread postAuthor: souljahz_unite » Thu Feb 07, 2008 3:54 pm

Hey all,

Bringing up an older thread but ive got something. Just completed the project and video on how to make one are up on metacafe.

Its an instructional video so enjoy only about 5 minutes.

http://www.metacafe.com/watch/1084866/h ... niter_box/

enjoy- and rate it high =)
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Unread postAuthor: ralphd » Thu Feb 07, 2008 7:04 pm

That was very nice but I thought it went a little fast. I bought a cheap throw away for the very same purpose but the insides didn't look like that. Is there a schematic for those of us who want to do this?

I do like the video approach, though. I wish I had something like it when I first built mine. maybe it would of saved me a few dollars.
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