Side-Power patent

17 Mar 2017
View from dead ahead of Side-Power's Vector Fin stabilization system

View from dead ahead of Side-Power's Vector Fin stabilization system

Norwegian propeller and stabilizer manufacturer Sleipner has been granted a U.S. patent for its Side-Power Vector FinTM stabilization system.

The unique curve of Side-Power’s Vector Fin is an evolution of traditional stabilizer fins and, claims Side-Power US distributor Imtra, substantially increases the efficiency of the system while reducing common side-effects. Side-Power applied for and was granted U.S. patent number 14/438133.

"By directing the force the fin generates in a more vertical axis, Side-Power Vector Fin Stabilizers reduce the wasted horizontal force that results in the noticeable sway and yaw of flat fins,” said Phillip Whittaker, large yacht specialist, Imtra. “Owners want a boat that is stable, comfortable, performs well and is as fuel efficient as possible. The Side-Power Vector Fin system is simply the most efficient stabilizer available on the market. The new patent protects the innovation behind this achievement and allows for future development of the technology.”

Any effective boat stabilizer is designed to reduce roll regardless of whether a vessel is underway or at anchor. Side-Power Stabilizer Systems provide dramatic roll reduction that results in a comfortable, stable platform and ride at any speed. 

“The curved fin design allows us to create lift at speed,” said Prentice Weathers, custom product sales, Imtra. “In most installations, generating lift will allow us to reduce any drag the fins produce. This means the vessel can be as fuel efficient with stabilizers as the boat would be without them, all without the space, weight and service challenges of gyro-type systems.”

While this is clearly big news in the superyacht sector, fin stabilizer systems are also seeing increasing popularity in the commercial crew transfer market.

By Jake Frith

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