this post was submitted on 05 May 2025
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Cyberstuck

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[–] walden@sub.wetshaving.social 37 points 18 hours ago (2 children)

Yep, an unfortunate typo. A jet engine of that size would be more impressive because they weigh more.

[–] Tja@programming.dev 6 points 5 hours ago (1 children)

That's not a typo, that's a good old mistake. If they wrote "roket engine" it would be a typo.

[–] walden@sub.wetshaving.social 2 points 1 hour ago

Ha that's funny, I could have sworn I wrote "mistake", because I had the same thought. Oops

[–] mrsemi@lemmy.world 19 points 17 hours ago (4 children)

Rocket engines are a subtype of jet engine.

[–] walden@sub.wetshaving.social 16 points 14 hours ago* (last edited 14 hours ago)

I could be compelled to agree, but "An air-breathing turbojet engine of that size..." doesn't have the same ring to it. Jet engine usually refers to something that has the traditional suck, squeeze, bang, blow method of propulsion, and rocket engine is used to refer to something that just burns straight fuel (with its own oxidizer, etc.).

Technically my air compressor blow gun is a rocket, but I wouldn't ever refer to it as one.

But hey, language evolves, so maybe being hyper specific will catch on.

[–] sourhill@lemmy.sdf.org 9 points 14 hours ago

While this broad definition may include rocketwater jet, and hybrid propulsion, the term jet engine typically refers to an internal combustion air-breathing jet engine such as a turbojetturbofanramjetpulse jet, or scramjet. In general, jet engines are internal combustion engines.

[–] cadekat@pawb.social 9 points 15 hours ago

Huh, TIL!

A jet engine is a type of reaction engine, discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion.

https://en.wikipedia.org/wiki/Jet_engine