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February 20, 2019

Propeller makers innovate with methods and materials

Marine Propulsion: February 20 2019| READ ONLINE

…The design was verified by Applied Universal Engineering. Founding partner John Dannecker says that Sharrow Engineering took a “clean-sheet approach” to propeller design. “Using the latest generation of commercially available engineering software and state-of-the-art computing architecture, Sharrow Engineering has developed a proprietary design capability and process for their propellers,” he says. “This process pointed to a new propeller geometry that reduces fuel consumption and demonstrates superior vibration and noise characteristics.” Sharrow’s propeller provides a wider peak efficiency curve for greater utility over a wide scope of operational ranges and registers a 17% reduction in torque while accelerating. Sharrow Engineering CEO Greg Sharrow believes that, now more than ever, squeezing fuel efficiency from propeller design is important. “Stricter regulations on sulphur levels will add many millions more to the expense column for individual operators and billions to the industry’s overall fuel spend. We believe our product can be the difference between ships that burn more fuel and more cash, and those that find calm seas heading into 2020 and beyond.”

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