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capacitor ignition

A place to ask general spud cannon related questions.
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capacitor ignition

Unread postAuthor: spudzinger » Thu Apr 06, 2006 2:29 pm

Hey, I was just wondering what size, type, and voltage capacitors you use for that type of ignition.Thanks.
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Unread postAuthor: Rambo » Thu Apr 06, 2006 2:51 pm

20v 2000mf should be enough.It depends on the electrodes too.
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Unread postAuthor: jjk92 » Thu Apr 06, 2006 3:22 pm

hey im kinda new at this what do you use to charge the capacitors up? thanks
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Unread postAuthor: dragon finder » Thu Apr 06, 2006 4:12 pm

<img src="http://tinypic.com/t65cgh.gif'">
This is a simple diagram you can use more capatitors. Press the first switch to charge and then the second switch to discharge.
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Unread postAuthor: spudzinger » Mon Nov 06, 2006 4:08 pm

Yeah, what do you use to charge the caps? An adjustable power source? 'Cause those are expensive. Also where do you get these caps. I do some amateur robotics and have ever found a 200V 2000mf cap, unless you meant a 2000 uF cap. Would these possibly be found in external camera flashes.Thanks
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Unread postAuthor: spudzinger » Mon Nov 06, 2006 4:15 pm

Yeah, what do you use to charge the caps? An adjustable power source? 'Cause those are expensive. Also where do you get these caps. I do some amateur robotics and have ever found a 200V 2000mf cap, unless you meant a 2000 uF cap. Would these possibly be found in external camera flashes.Thanks
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Unread postAuthor: joannaardway » Mon Nov 06, 2006 4:15 pm

That's what they meant. A 2000 mf cap would be massively over sized!!!

A 2 farad capacitor would be dangerous and .... well you should know.

The innards of a disposable camera will create a 300 V charging source, and the used and empty cameras can usually be got free if you ask politely at a camera store.
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Unread postAuthor: spudzinger » Mon Nov 06, 2006 4:56 pm

Thank you, joannaardway.
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