Tristan has taken some EBay capacitors and some charging components to build a cool Disc Launcher. His home made coil self destructed on the last launch but it worked very well till that point.

“This project was started in Spring of 2006. I had taken a several year break from working on any HV / EMP project. In that time I was changing jobs, getting married, and buying a house. Early in 2006 I found a forum online for HV enthusiasts 4HV.org and it sparked my interest once again. With renewed ambition and the help of 4HV.org I set out to design a more portable, electrolytic-powered, coilgun. Unlike EMP-2A which used a capacitor that weighed around 100 lbs and required nearly 10,000V to charge it, this new project will be portable and easier/safer to control. ”