Comments by "Diana Pennepacker" (@dianapennepacker6854) on "Genius Propeller Is About to REVOLUTIONIZE Ships, Here's Why" video.

@sacredbaloney Agreed that number seems off. It would be 105% of 90%. IIRC these propppelers and a standard propeller need to be designed specifically for a certain speed and torque to get the most efficiency. These are better generally but show more promise for certain speeds and applications. That is what I was told. Also just copying the same design doesn't quite work as well as people think from the small tests I've seen people do on YT. The biggest benefit is durability. Cavitation really does a number on props. Wonder if the Navy has already designed one for their submarines and are having issues manufacturing it.
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