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schorhr

  • Date JoinedMay 24, 2007

Orangeboard

Hello, and welcome to Instructables!
I have realized that you did not receive a greeting from ewilhelm (Eric) or the Instructables Robot, so here you go!
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-GorillazMiko
schorhr (author)  GorillazMiko6 years ago
Hello, thanks for the welcome! Well, I'm arround since May 2007 now, and I think I got the hang of it now, hehe ;-) Thanks for the offer though, I really apreciate it! -Marcus
sweet ty
schorhr (author) 7 years ago
A simple version is made within two minutes. Take aluminum tin foil, cut two long strips that are 1-2" (2,5-5cm) wide, glue them to cardboard. Buy two strong disk earth magnets (neodym). Thats the really, really strong kind. Weaker will not work. If the magnets are goldplated thats even better. Attach the disks to a iron metal bolt. The sides attached must be repelling sides! Now put them like a wheel-axis on the aluminum (the aluminum should not have contact!) Attach a 9 volt battery pack to them. The "wheels" will roll! Now if you have more voltage and different setup, you could fire a projectile with it. A railgun usualy has more of a sliding-track instead of wheels, but is harder to build- and dangerous if you work with more voltage. Coilguns are also a popular project. A coil will pull in a nail if electricity runs through it. A series of coils will switch on and off to pull a nail forward, where it gets real fast.
wow you really got around for a one week member anyway how does a railgun work?
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