Comment on Cycloidal marine propellers: Efficient thrust in any directionComments−hasoleju2yDuring the last centuries there was a technological shift in cargo ship drives roughly every 100 years. From sailing to steam boat over combustion engines to these drives?−psunavy032yThe basic principle has been around for decades.
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During the last centuries there was a technological shift in cargo ship drives roughly every 100 years. From sailing to steam boat over combustion engines to these drives?
The basic principle has been around for decades.