Basic DIY coilgun, coil gun disp camera assembly

this is a basic coilgun proof of concept. it uses a single disposable camera circiut board, five 120uF capacitors wired in parallel, and an electromagnet i made in about three minutes from some 22awg magnet wire. total assembly time was about one hour, being as how i had no idea what i was doing. i took the time to show you how long it takes to charge the caps when wired in parallel. this was very fun to make and test out, firing a 1/2" long screw and moving the coil further and closer in order to see how velocity is affected. now im going to build a heavy duty charge circuit!

Category:

Howto & Style

Tags:

• coilgun
• coil
• gun
• gauss
• disposable
• camera
• flash
• capacitor

[MrStemkilla]

im bilding one but i dont know if i really evin need the flash serket cant i just directlu conect the battory to the caps for 40 seconds then just disconect them vea swich and fire the coyal and repeat? or is disconecting the flash serket a bad idea? plx help

[SimonG2892]

@MrStemkilla its not the "flash" circuit you want, its the capacitor charging circuit. you need the circuit board to boost the battery voltage up from around 1.5 volts to about 250-300 volts. you need lots of "force" and using a high voltage burst will make a very intense but very short duration magnetic field, sucking the projectile into one end of the tube and firing it out of the other.

[Arjoonmoal]

pretty dumb way for the firing



[SimonG2892]

@Arjoonmoal not really. its just a proof of concept. look at the materials. used pen. screw for a projectile.... i made this in about 20 minutes.... stripping the body off of the first camera took longer. now go measure your weiner elsewhere, im not into that.

[residentmagnum]

hey thanks for the cool project I'll have to try and build my own

[badpaulnadur]

is the copper wire enemel coated ????

and is the barrel in plastic or metal ???

eccelent demonstration

[ToiletStruggle]

can i use more then one AA to power everything (like 3 or 4 AA's?)?

[coolaidkiller101]

does it work with one cap

[Flea5000000000]

@Theharshbohra get a camera step up trasformer out of a disposible flash camera, that produces 300v

[1212fdfd]

whats the current in the wire??

[Theharshbohra]

hey i have a big capacitor.The one used in fans and its 440volts Ac each but it only charges with a wall socket outlet so do u have any idea on how to make a basic coilgun...plz

[bobdole10156]

why did you make your coil short the longer it is the beter

[tootmuff]

@EasttSideCustomZ it depends on the direction in which the current flows through the wire.