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coilgun blueprints

Step 4Soldering the components together

soldering the components together
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  • coil gun 013.JPG
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The title says it all. Solder the componets together using this schematics below. Notice there is no relay. We tried a gun with a relay, put after a few shots, it nedded to be replaced. Since we are using a switch that cuts the battery on to make the circuit start charging, we need to solder a bare piece of wire to the switch on the circuit.
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4 comments
Feb 8, 2010. 11:28 AMampeyro says:
when i vas "studying" about coilguns for making one, i read something about if you conect a capacitor to a coil, it generates AC, and inverted voltages can damage the electrolythic capacitors, does it realy happen?, did you add something to avoid it?, is it just too small to be considered?
(yes, my ortography is realy bad, but i'm not native english speaker)
Feb 9, 2010. 1:13 PMampeyro says:
thanks, i read it on the wiki
Jul 14, 2011. 8:16 AMmaxmunzel says:
add a diode between coil and capacitor!!

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Author:eneergcam
Changing my profile around, and planning on posting some more instructables. Be ready.