The Russian spy ship Yantar, suspected of gathering information, including on underwater cables, has appeared near the coast ...

These tests resulted in the production of a robust 360 degree steerable propulsion unit with superior efficiency ... driven by a bevel gear system in an underwater gearbox. The front propeller ...

Modern methods of propulsion offer ship operators ... are driven via a bevel gear system through the underwater gearbox arrangement. The forward unit operates as a pulling propeller and attains ...