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Ezzy Sails Hydra

Ezzy Sails Hydra


The Ezzy Sails Hydra is a dramatic new look for a dramatic new form of windsurfing. Available in 4.0, 5.0, 5.5, 6.0, 7.0.

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The Hydra is a dramatic new look for a dramatic new form of windsurfing. Available in 4.0, 5.0, 5.5, 6.0, 7.0.

The Hydra is David Ezzy’s new foil specific windsurfing sail. It is a combination of the Ezzy Taka 4 with addition of a long bottom batten to promote early planning. We have been testing out the Ezzy Hydra on different foil boards and windsurfing foils and found it has a amazing wind range and it gets you powered up on the foil very quickly. The big deal about the Hydra is that it is super light weight and the size range (a 5.5 has wind range like a normal 7.0m). Don’t be put off by the Hydra new look as it really works, and remember you are 2 feet above the water on your foil. We have test sails available to try at 2XS®. Here is our review of the Ezzy Hydra. The Ezzy  new foil windsurf sail makes race sails and big cammed rigs redundant for foiling.


  • efficient
  • less sensitive to gusts
  • early power to get you up and flying
  • controllable when flying
  • de-powers easily
  • super light weight

 Wind Range:

4.0 m = 18-35 kts
5.0 m = 14-21 kts
5.5 m = 11-18 kts
6.0m = 9-16 kts
7.0m = 5-10 kts

First off, because the foil can fly through the water with so little drag, the wind angles are different, which means that the apparent wind (the wind created by your movement) shifts forward. Second, you need a powerful sail to pump up onto the foil, but once you’re on the foil, you want a very easy to control, light sail. And third, you’re above the surface of the water when you’re flying on the foil.

The elongated foot on the Hydra takes advantage of the board’s height off the water to create a hyper efficient sail. On a normal windsurfing sail, a long foot like this would hit the water when cruising and simply not work, but when foiling, we can take advantage of this “free” space created by flying above the water. The extra long foot forms an end-plate with the board. This is very similar to how winglets work on a jet wing, and aerodynamic theory tells us that an end-plate like this greatly improves the efficiency of the sail. For example, David can ride a 4.0 in conditions he would normally ride a 6.5.

The extra long foot provides the needed low-end power to get up on the foil without using cambers or an extra batten below the boom, saving close to a kilo in weight. Being able to ride a smaller, lightweight sail makes foiling more fun by giving you the sensation of flying with nothing in your hands. You want a sail that “goes away.”

The extra long foot also makes the sail more stable. This means that you are less vulnerable to gusts throwing you off balance when you’re flying on the foil, which makes foiling a lot easier. But at the same time, because only the foot is extended and not the entire sail, the pull of the sail remains forward for a more comfortable sailing experience.

The Hydra also borrows the 3/4 batten concept from our hardcore wave sail, the Taka. A 3/4 batten allows the sail to luff, which means that it can easily go from full to flat. This is important for many aspects of foiling. This helps the Hydra to be extra powerful when you’re pumping it but flat and responsive when flying on the foil. And, the Hydra’s 3/4 batten is the reason it can de-power so easily and change its shape for the needs of the foil. When you sail up wind, you want a flat sail, and when you sail downwind, you want a full sail. The 3/4 batten allows both to occur without having to adjust the outhaul.

Size (m)LuffBoomExtensionSuggested Mast

Additional information

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