propeller, and interactions with water, further concealing it from the enemy. And they contain carbon black – the source of the black color you see when looking at the submarine.

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 ...

In 1908 Mauretania had a new set of four-bladed propellers fitted ... to Liverpool from New York when she was torpedoed by German submarine U-20 off the coast of southern Ireland, on 7 May ...

[SUBRON stands for SUBmarine squadRON.] One submarine had been in minor overhaul alongside the pier, with her propellers removed, and in the haste to make ready, the propellers were re-installed ...

The missile was encased in a watertight capsule equipped with a propeller, designed to fit the submarine’s 533 mm torpedo tube. After launch, the capsule propelled itself away from the submarine ...

a five-bladed bronze submarine propeller and a search periscope. Make sure to stop by the memorial and pay your respects to the nearly 4,000 men and women who lost their lives aboard U.S. submarines.

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 ...