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BMW's Hydrogen V12 Engine Is A Hilarious Engineering Stunt

Engineering Explained · 503.4K views · 2022-11-25 · 16:19

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Overview

Engineering Explained examines BMW's Hydrogen 7, a V12 that burns liquid hydrogen or gasoline. He covers cryogenic storage at -253C and why the approach is impractical.

On Hacker News

Cited in hydrogen threads as a clear explanation of why burning hydrogen in engines is a poor idea.

Recommended by 2 HN people across 1 months · HN mentions 2022–2023

Topics

Cars, EVs & motorcyclesMechanical & precision engineering
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hydrogenbmwv12liquid hydrogenengine

What people said

TheRealPomax · 2023-01 · Recommendation

Maybe, but [LINK] is probably a better person to ask to explain why this is just not going to work, through his "The Unfortunate Truth About Toyota's Hydrogen V8 Engine" [1] and "BMW's Hydrogen V12 Engine Is A Hilarious Engineering Stunt" [2] videos. [1] [LINK] [2] [VIDEO]

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otherme123 · 2023-01 · Recommendation

If batteries has problems as a long term storage, hydrogen is even worse. If you store liquid hydrogen, you have to let the gas escape or risk explosions. Keeping things below -250ºC is not easy. Worth watching: [VIDEO] Every single actor is pushing for their own interests and highlighting the flaws of the competitors. You cannot say in good faith that hydrogen, nuclear or fuel are supporting the "renewable energy gang", or that they are not a gang themselves. In fact, my opinions is that nuclear gang was so against renewables that they missed the bus of "renewables + nuclear" friendly mix, letting the gas gang conquest "renewables + gas".

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pornel · 2023-09 · Criticism

BMW tried that. You weren't allowed to park the car in a garage, because it had to vent the hydrogen as it thawed. [VIDEO]

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Sources

Video by Engineering Explained, played through YouTube.

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