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cheap camera ignition

Built a miniature cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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cheap camera ignition

Unread postAuthor: homedepotpro » Mon Sep 24, 2007 10:27 pm

yeah so i went to costso and got like 30 use disposable cameras for free. and i had to build something spud gun related with them, so i built this. It is a 7'' piece of sch40 2.5'' pvc. the ignition is from the capacitor. i have a nail that is pushed down into the chamber and contacts a screw, which creates a spark. It is a quite reliable ignition system and the gun its self is quite powerful. btw i use hair spray as fuel. I have a 2' of 1/2'' barrel for it.

now pics and a vid
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homedepotpro
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Unread postAuthor: thespeedycicada » Mon Sep 24, 2007 10:35 pm

good gun nice ignition you should see what those disposable cameras do when wired up in series its AWSOME.btw i really like you trigger it would very good for a rocket launcher like cannon.
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current projects: co-axial piston valve.Status DONE!
S.P.E.C.S update mk 1 construction begining in febuary all the maths for it are done plans are drawn up and parts are listed.
NEXT project:auto piston valve.
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Unread postAuthor: psycix » Tue Sep 25, 2007 10:04 am

thespeedycicada wrote:good gun nice ignition you should see what those disposable cameras do when wired up in series its AWSOME.btw i really like you trigger it would very good for a rocket launcher like cannon.


you wont need to put cameras in series, just add all capacitors together :D
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