HackerTube.dev

Tesla Valve Explained With Fire

NightHawkInLight · 4.8M views · 2019-12-11 · 5:53

Open on YouTube ↗

If playback is restricted in your region, try opening the original video. Use Mark watched to add it to your marked videos.

Overview

NightHawkInLight demonstrates how a Tesla valve works by sending a propane flame front through one, making the flow visible. It is a short, hands-on experiment video.

On Hacker News

HN points to it as a clear, visual demonstration whenever a Tesla valve comes up.

Recommended by 2 HN people across 2 months · HN mentions 2019–2021

Topics

Everyday physics & science demosMechanical & precision engineering
Search by tags
tesla valvefluid dynamicscombustionexperimentpropane

What people said

showerst · 2021-08 · Recommendation

For a fun visual demonstration, check out nighthawkinlight's video where he runs a flamefront through one -- [VIDEO] Also seconding the Huygen's optics video osamagirl69 already posted below -- [LINK]

Read the original HN comment ↗
ObsoleteNerd · 2019-12 · Recommendation

I’m assuming this is being posted due to this recent popular video, which I think is a very well made demonstration of how the valve works: [VIDEO]

Read the original HN comment ↗
mymythisisthis · 2021-02 · Reference

Random tech from the 1920s <a href=" [VIDEO] , Tesla Valve.</a><br> <a href=" [LINK] , Megola, Radial engine motorcycle.</a><br> <a href=" [LINK] American LaFrance Fire Truck</a><br> <a href=" [LINK] Thomann antique bicycle</a><br> <a href=" [LINK] Lanz Tractor</a><br> <a href=" [LINK] Television 1926</a><br> <a href=" [LINK] - A Giant Flying Boat</a><br>

Read the original HN comment ↗

Sources

Video by NightHawkInLight, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

Views, duration and playback status refresh separately from the published catalog. When an update fails, existing data remains visible.

Selection checks
  • SaaS & AI candidates: Topic keywords do not match
  • Editor-approved picks: Editorial review is required

Rule matches identify candidates. They do not guarantee video quality or financial results.

About the library and its sources