Sharrow's extraordinary looped propellers were already some 30% more efficient than traditional designs – and now the company has put two of them together into a coaxial, contra-rotating prop that ...
Hurtigruten Norway unveiled plans for its first zero-emission ship. Initially announced in March 2022 under project name “Sea Zero,” early concept plans and renderings for the energy-efficient cruise ...
Wärtsilä, ship power system integrator, and IHI Marine United Inc. (IHIMU) of Japan, have concluded a co-operation agreement. Under the agreement, Contra-Rotating Propeller (CRP) systems developed by ...