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Innovative Propeller Designs on a Solar-Powered Boat

Experimenting with futuristic propeller designs on my solar-powered boat to improve efficiency, speed, and handling. Watch the full test and see the results! #SolarPoweredBoat #FuturisticPropeller ...
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How RMS Lusitania's propeller design created vibrations violent enough to make half the ship unusable

RMS Lusitania was a record-breaking ocean liner plagued by a surprisingly modern engineering problem: propeller-induced ...