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ROTATING DETONATION ENGINE

Integza · 3M views · 2022-09-27 · 14:46

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Overview

A hobbyist build-and-experiment video on rotating detonation engines (RDEs), where a continuous detonation wave spins around an annular chamber. The creator 3D prints parts and tests a small engine, while being candid about uncertainty over whether a true rotating wave was achieved.

On Hacker News

Cited as an approachable hobbyist look at RDEs in threads on detonation-powered rockets.

Recommended by 1 HN people across 1 months · HN mentions 2022–2025

Topics

3D printing, CNC & maker projectsMechanical & precision engineeringAviation & aerospace engineering
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rderocket engines3d printingdetonationdiy

What people said

magicalhippo · 2025-05 · Recommendation

Integza made a YouTube video[1] where he visited a lab where they had a RDE, and includes some nice explanations, animations and slow-mos of the prototype in action. His channel has a certain flavor, but at least the video is informative. [1]: [VIDEO]

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ben_w · 2025-06 · Reference

I know Integza tried , but did he ever confirm his engine was doing a rotating detonation? He said near the end of the video 2 years ago, "I'm not sure if I got a rotating detonation wave": [VIDEO]

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zackmorris · 2022-10 · Reference

That's funny, I was just watching a hobbyist video about rotating detonation engines (RDEs): [VIDEO] I live vicariously through channels like Integza and Tom Stanton. I've wanted to do some of this stuff for over 20 years, specifically electrohydrodynamic (EHD) engines, but spent nearly the entirety of the last 2 decades merely surviving. It's a strange feeling to watch the world make basically no progress over many years, then suddenly go through an inflection point where suddenly everything is solved and there's no way to catch up. Like with flying cars, reusable rockets, AI.. I dunno, I just feel really inspired, but am also mourning the passing of my own life and all that wasted potential. These are all great inventions, super simple, easy to build, but why the heck were we forced to do everything the hard way for so long and still not make rent? These individual projects are really cool, but I worry that we aren't solving the fundamental problem of underemployment that forces fish to ride bicycles instead of swimming freely. Still just a rat in a cage and all that.

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Sources

Video by Integza, played through YouTube.

Data and selection notes

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

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