There are many great sites out there with information on Tesla coils and other related HV devices. Here are a few of my favorites. http://www.pupman.com http://www.amasci.com/tesla/tesla.html http://www.apc.net/bturner/coils.htm hometown.aol.com/futuret/page3.html www.geocities.com/CapeCanaveral/Hangar/6160/tesla/tesla.html   Home About Us Tesla Coils The Hydrogen Fuel Cell Robot Project Chronicles Classes - Mini Sumobots Miscellaneous Experiments - Acoustic Laser - Coil Gun/Gauss Cannon Miscellaneous High Voltage - Jacobs Ladder - Marx Generator - Lightning Pendulum - Flyback Fun Electronics Stuff - Velocity Indicator - Atomic Nixie Clock - IR Remote Module - Sharp GP2D12 Sensor Electricity & Magnetism - Mag&Elec 101 - Worlds Easiest Motor - Slow Motion Magnets - Galvanometer - L.E.D. Blinker - Electromagnet - Simple Speaker - Simple Oscilloscope - Simple Switch