Monday, November 7, 2016

[Electric Boats] Re: General direction in propeller efficiency [1 Attachment]

 
[Attachment(s) from benjatelcom@gmail.com [electricboats] included below]

The Briggs and Stratton E-tek has a nozzle, and Rice shows quite a bit of data on fuel efficiency improvements. I also noted the Rice nozzle thrusters on both of the underwater ROVs at work, according to the operators they work really hard on energy efficiency because they are limited in how much energy they can transmit down umbilical to the TMS then to the ROV.

I think I could go up to a 12" propeller. I've attached an image, and yes, it is a plastic propeller.

Benjamin

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