How to make a Coilgun

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Published on May 15, 2014 6:36:09 PM ● Video Link: https://www.youtube.com/watch?v=a8UbIlt7oSc

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Testing of a coilgun. Detailed step by step instructions on how to build a coil gun at : https://maker.pro/custom/projects/make-coil-gun-without-camera/

A coil gun consists of a series of conducting coils arranged along a straight line spaced apart from each other. When current passes through the coils, it induces a magnetic flux through their centers. As a ferromagnetic projectile approaches the magnetic flux lines created by the coil, it gets magnetized and the magnetic attraction pulls the rail towards the center of the coil. The series of coils are arranged so the magnetic flux from the first coil pulls the projectile towards its center. After that, the first coil is switched OFF and the second coil is switched ON, which again pulls the projectile towards its center. When this process is repeated through a succession of coils, the projectile can reach tremendous velocities.

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