As boring as propeller designs may seem to the average person, occasionally there’s a bit of a dust-up in the media about a ‘new’ design that promises at least a few percent improvement in ...

and the propeller shaft. The images released by the class’ manufacturer show a submarine resembling the existing Akula-class design. However, the new ships feature X-form aft planes in addition ...

TASS/. Scientists at Russia’s Krylov State Research Center have started developing and introducing a fundamentally new method of detecting submarines by the trace, which their propellers leave ...