this post was submitted on 08 Apr 2025
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History Memes

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Really is astounding to see (infosec.pub)
submitted 4 months ago by StarvingMartist@sh.itjust.works to c/historymemes@lemmy.world
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[–] trollercoaster@sh.itjust.works 7 points 4 months ago* (last edited 4 months ago) (3 children)

That's because the Olympic class liners were built with a power plant optimised for fuel efficiency, not speed.

They had two reciprocating triple expansion engines and a low pressure turbine driven by the exhaust steam from the reciprocating engines' low pressure cylinders.

Fully turbine driven liners of the same era would easily clock service speeds well beyond 25 knots, at the expense of burning way more coal.

[–] smee@poeng.link 6 points 4 months ago (2 children)

I too subscribe to Oceanliner Designs on YT.

[–] trollercoaster@sh.itjust.works 4 points 4 months ago (1 children)

[–] smee@poeng.link 2 points 4 months ago

I've been thinking about this image for days.