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Lert

Dutch navy to experiment with fuel-saving hull vane hydrofoil

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The Royal Netherlands Navy is experimenting with a hull vane hydrofoil on the Holland class off-shore patrol vessel HNLMS Zeeland.

Hr.Ms._ZEELAND_(14973383978).jpg

HNLMS Zeeland is a 3750 ton off-shore patrol vessel primarily tasked with anti piracy and anti smuggling duties. The hull vane is a hydrofoil mounted behind and below the ship's aft:

fFIQMcu.jpg

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The Hull Vane is an 11-meter-wide hydrofoil installed below the stern of the ship. The biggest advantage is the 10% fuel saving it provides. With a reduced resistance, the ship can also achieve a higher top speed with the same engine power. In addition, the modification ensures a reduced wake and therefore fewer waves. This is tactically important, because the ship is less visible from the air.

HNLMS Zeeland is the first 'major' naval vessel in the world to be outfitted with this technology. It'll be interesting to see if the theorized benefits actually materialize in real life.

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Seen hydrofoil tech on ferry boats/ships in the Med. I will be interested in seeing how it plays out in the military. Any idea of the degree of fuel savings when in use?

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Just now, Geococcyx said:

Any idea of the degree of fuel savings when in use?

They estimate 10%. Time will tell if they're right. 10% is a pretty big deal.

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@Lert Thanks for the reply. Interesting, and if they get10% that would be quite savings - particularly if it is off the bat.

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