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Firing the Lorentz Plasma Cannon

LightningOnDemand · demo · Watch on YouTube

Electronics & circuit design3D printing, CNC & maker projectsEveryday physics & science demos

What it is

LightningOnDemand revives a pulsed Lorentz plasma cannon, using modern capacitors to extend its range and increase the delivered energy. It is a high-voltage, high-current hobby demonstration.

Why Hacker News recommends it

HN users suggest it to anyone who enjoys extreme high-voltage projects and big capacitor-bank discharges.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2025, last 2026

What HN commenters said

  1. “capacitor driven Lorentz plasma cannon demo”

    Capacitor-driven Lorentz plasma cannon demo from Lightning On Demand

    00N8, 2025-04 · Recommendation · in “First Successful Lightning Triggering and Guiding Using a Drone”

  2. “You might enjoy Lightning On Demand's Lorentz Cannon”

    Lorentz cannon demo using huge capacitor stack for short-range plasma blasts

    bigiain, 2025-09 · Recommendation · in “High-power microwave defeats drone swarm”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: plasma cannon, lorentz force, capacitors, high voltage, pulsed power

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