Controllable pitch propellers adjust blade angle instead of engine speed, letting ships change thrust, direction, and handling instantly. This explains the physics, advantages, and tradeoffs compared ...

Presentation of the DNV GL certificate by Dr. Olaf Richter (right) in the presence of his inspector, Dieter Ekat (2nd from left) who supported the test series, to Piening boss Mathias Pein (2nd from ...

A containership transiting the Pacific Ocean lost hydraulic oil and propulsion after its propeller blade cracked, according to a report from the National Transportation Safety Board (NTSB). A blade on ...

At the SMM exhibition and conference in Hamburg, Germany, Wärtsilä is introducing its latest development of large Controllable Pitch (CP) Propellers, based on the previously known E-hub type. The new ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

As the Navy continues to tally up the damage to a U.S. cruiser that ran aground Tuesday in Tokyo Bay, early damage reports indicate USS Antietam (CG-54) will likely undergo an extensive dry dock ...

Bob Gallop, Yingling Aviation’s vice president of repair station operations, demonstrates equipment at Yingling Propeller’s new building that measures the density of an airplane propeller. Jerry ...