the beastly bridge rectifier :)
Test Setup 1 ( projectile velocity of around 18 m/s)
THE coil ( made WITHOUT a winding jig :) )
Test setup 2

Here are some of the pictures of the coilgun that I made last year !
Projectile used : an artsy composition made with headless iron nails and feviquick !
Drop me a comment if you would like some technical details :)