This is a Royer oscillator which is a relatively high power self resonant circuit useful for generating high voltages from flyback or other ferrite transformers. Output is probably around 2000 VAC. The arc stretches out to about an inch at a power of up to 300 W.
“Continue reading” for more details and photos.
This voltage multiplier 80 kV has a 5 inch corona with intermittent sparks in this 3 second exposure.
“Continue reading” for more details and photos. Continue reading
The Tesla Coil 4-Inch Ver 1 is the earliest version of the 4 inch diameter secondary coils and is shown here in early grainy low light photographs. How things have changed! Still, a wondrous moment to see bigger sparks for the first time.
For more details and photos: Continue reading
Neon sign transformers are the starting point for many beginners Tesla coils. They are a handy 12 kV peak unloaded and 30 mA into a short circuit which is current limited.
For more details and photos: Continue reading
Around 200 projects based on lasers, magnetism, radioactivity, exotic materials, extreme LEDs, vortex generators, micro flamethrowers, light effects, and a whole lot more.
A Blu-Ray violet laser causes fluorescence in various fluids. Jump to the “Laser Fluorescence” page
Magnetic levitation above superconductors – Meissner effect. Jump to the “Superconductor” page.
A frozen banana can hammer in a nail. Jump to the “Nitrogen To Do List”
This AC spot welder uses a low voltage with very high current. Jump to the “Spot Welder AC” page.
Bernoulli levitation of a Hahn’s “light” beer can. Jump to the “Bernoulli Beer” page.
LED driveway run of a LED rope. Jump to the “LED rope tricks – 2” page.
A powerful bolt seems to penetrate the car in this exploding wire lightning simulation.
“Continue reading” for more details and photos. Continue reading
My three-color ring . Dazzling for 2002.
For more details: Continue reading
I have used my big capacitor bank to drive the coilgun 3kJ at higher levels.
“Continue reading” for more details and photos. Continue reading
100 kV DC gives 5 inch sparks from a voltage multiplier driven from a dental x-ray transformer.
“Continue reading” for more details and photos. Continue reading
This is a version of a Tesla coil where the primary is driven by a vacuum tube (valve) oscillator. “Continue reading” for more details and photos.
Continue reading
