A contra-rotating propeller system uses two propellers spinning in opposite directions. This impressive feat of engineering ...

Combination of carbon, glass and epoxy resin produces a strong replacement for nickel/aluminum/bronze metal, the current propeller standard. Damage-tolerant reinforcing fabric strengthens highly ...

Wärtsilä introduced the FPP Opti Design, a new fixed pitch propeller (FPP) design concept. According to Wärtsilä, the new design offers fuel savings of up to 4 percent and highly reliable full scale ...

“ABS is first and foremost a safety company,” says Richard Korpus, “but safety can arise on many different fronts. It can refer to the safety of a high-valued asset, for the people who work on that ...

Chris Leontopoulos believes the first sterntubeless ship with a Thordon seawater-lubricated propeller shaft bearing system, probably based on a SDARI design, will be ordered within the next twelve ...

GULF OF THE FARALLONES NATIONAL MARINE SANCTUARY — As the 45-foot-white catamaran “Kitty Kat” bobbed in the ocean near the Farallon Islands last month, Jackie Dragon dropped a hydrophone overboard to ...