Recently at the Dallas Makerspace I had a bit of a crowd when retesting and calibrating my high voltage pulse system. We went through a few different applications, and the most entertaining is always the Pancake Coil Gun.
high voltage
Capacitor Pulse Bank (v2)
(another project from the archive)
I built a capacitor pulse bank a while back. It was installed into a large suitcase, and was using Electrolytic capacitors (so no super-fast rise times, but a fairly decent amount of energy density for the cost).
Caps: 6x caps rated 5600uF @ 500V ==> E =(1/2)*C*(V^2) = 4.2 kiloJoules of energy.
The Pulse Bank was designed to fit into a Pelican 1600 case for durability and ease of transit. The case included a wired remote control, the capacitors, and a triggered spark gap. It was fairly simplistic in design, but useful for a time. While most of my project videos and files were lost in a set of failures long ago (who would have expected an entire RAID 6 and backup system to go within the same week), these photos are here at least as what was recoverable.
Jacobs Ladder
This project is a favorite of mine, and the one shown here was built for the “laboratory of the Scientists from Krypton that saved Superman from the exploding planet room thingy” of a past event.
The Jacob’s Ladder is a pair of vertical (or in extreme cases, horizontal) electrodes that are parallel to each other and connected to a source of High Voltage. The air between the bottom of the electrodes has a Dielectric Breakdown due to the high voltage potential and creates an Electrical Arc.
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Hon1nbo @ Hacking and Coffee