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hinkley
on March 29, 2021
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Suez Canal says traffic in channel resumes after s...
Have you looked at tug boat propulsion units lately? Those things look like black magic.
thisisbrians
on March 29, 2021
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You are right, these things are nuts:
https://en.wikipedia.org/wiki/Voith_Schneider_Propeller
_ah
on March 29, 2021
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Wow this is the coolest thing I've learned this week.
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