Rudder for steering ship - is hollow with underwater gas discharge nozzle generating thrust

摘要

The ship's rudder (1) forms a thrust unit in addition to providing steerage. It comprises a hollow blade with a gas inlet nozzle (A) and underwater gas discharge nozzle (B). The rudder assembly is made of sheet-metal or ceramic needing no fuel pump or fan. USE/ADVANTAGE - Simple, silent running, ship's rudder with thrust generating system avoids environmental pollution.