COILGUN!!!! COILGUN!!!! NEED SUGGESTIONS

THIS IS MY FIRST TIME BUILDING A COILGUN AND WAS WONDERING IF MY DESIGN HAS ANY FLAWS THAT COULD KILLME!!! I AM DOING THIS AS A PART OF MY LAB FOR A PHYSICS CLASS OFFERED FOR THOSE WHO ARENT MATH MAJORS (EXPOERIMENTS +ADV HIGHSCHOOL LEVEL PHYSICS). MY QUESTION IS HOW TO CONNECT THE DIODE BANK FEEL FREE TO COMMENT. I GOT MY GROUP MEMBER TO POST THIS IN MY ACCOUNT SO THAT WE COULD SETTLE THE ARGUMENT. I THINK I CAN ATTACH THE ANODE ON THE POS SIDE AND THE CATHODE TO THE TERMINAL BLOCK TO PREVENT THE CAP BANK FROM FIRING BACKWARDS.

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joehudy6 years ago
what wold hapin if you had the dc camra virson hucked up to a 4017 rellay so that the coils wold turn on and of in a 1,2,3,4,5 action? Wold your projectile go faster
are you adding a diode to potectet aginst the high voltage EMF? if you are then you would hook up a 1n4007 rectifier diode inline with the coil. through my experimenting i found that this is the easier and efective way on protecting your capacitors. you could also hook up higher ratted diodes anti-parallel to the coil but this would be more complicated. remember that (+) flows to (-) and therefoe you can hook the didode in the right polarity! :D hope this helps goood luck!
eneergcam7 years ago
check out my 'ible for help,
N3v3rm0r37 years ago
you should connect the diode bank anti-paralel(i am not sure what that means) with the capacitor bank.
Say i wanted to take apart a tazer and use the power of that would that work
akimbo m10 years ago
Ummm... is there suppose to be a switch between the coil and the capacitor bank?
Yes
cazmundi (author) 10 years ago
yeah i forgot to add that there is anotherr High voltage switch between the coil and cap bank
not a switch!!! nononono. an scr is a must for this type of device. a switch could get welded open if your not careful
You're right and wrong. I've built a coilgun before already. If you use a high voltage/amperage rated switch, it will not weld together. Using a ordinary switch WILL weld together. The cheapest way to trigger is a relay. SCRs need diodes, and can easily be destroyed by EMF (electromagnetic feedback). Read the "Coilgun Handgun" instructable.
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