A New Twist In Propeller Design

| Transport

Sharrow Propeller converts rotation into thrust in a highly efficient manner

Packed with innovation, the Sharrow Propellor provides more thrust per revolution for the boating industry

US marine technology company, Sharrow Engineering has been filing patents around the world to protect its latest design in the fiercely competitive boating industry. Now, with new patents granted in Chile, Hong Kong, Philippines and Vietnam, the company has a total of 78 patents to protect innovations in the Sharrow Propellor. With its designs secured with patents, the company is now able to more rapidly deliver its highly efficient propeller technology not only for boat motors, but also for other propeller based drive mechanisms in other markets.

With his aim of quadrupling manufacturing output by as early as next year, the company’s founder and CEO, Greg Sharrow says that the technology positions the company well for manufacturing, joint-ventures and licensing opportunities across multiple market segments around the world.

The latest round of patents follows those already awarded in by the US Patent and Trademark Office (USPTO) and in 13 other countries in Western Europe, Asia, the Americas and Australia.

Performance Improvement

Engineers have developed the Sharrow Propeller to provide large improvements in fuel efficiency as well as gaining additional performance advantages. Innovations in manufacturing technology has also enabled the designers to take a less restrained approach to the design than previously to carve and blend every piece of efficiency into the propeller.

Performance improvements include the reduced resistance and inertia the device offers so that boat handling improves. The blade, core and filleting strength is also improved without unnecessary weight to provide a stronger and more robust drive mechanism. The balance has also been carefully considered to reduce vibration levels across the range of shaft speeds. In terms of speed, boats equipped with the Sharrow Propeller will have the advantage of greater forward speeds for each revolution of the propeller with highly efficient conversion of rotational speed into thrust. Overall, the propeller is claimed to benefit from efficiency improvements of 40% over alternative designs resulting in huge fuel consumption benefits.

After early potential having been shown two years ago when the propeller won the coveted Innovation Award at the 2020 Miami International Boat Show, the design is now seeing robust consumer demand.

Jonathan Newell
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