Armstrong HA725 Hydrofoil Kit


A complete hydrofoil kit featuring a high aspect ratio front wing for maximum speed and glide. Developed with the help of Team New Zealand’s Americas Cup yacht (read more below)

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high aspect RATIO hydrofoil kit by ARMSTRONG

This innovative complete hydrofoil kit by Armstrong is been developed with key design input from Pete Burling, Helmsman of Team New Zealand’s Americas Cup yacht (Current AC holders), and tested by legendary Sailor Jimmy Spithill.

Featuring a whopping 10.0 aspect ratio front wing, the Armstrong HA725 hydrofoil kit offers tons of speed, glide, and an insane turn ability. This kind of front wing is ideal for kite foil, wing foil, and tow-in surfing. The turn radius and the pitch stability are just perfect and, thanks to the deflected winglets, turbulence is reduced to the max also when breaching. This means you can focus on speed and rail-to-rail movements, bringing your foil riding to the next level!

Thanks to the insane glide offered by the Armstrong HA725 hydrofoil, experienced kiters can dial tacks at the speed of light. Furthermore, the high speed limit of the HA725 performs amazingly also in big waves, letting you just go full gas down the line and focus only on carves!

If you are looking for a high wind lightning-fast complete hydrofoil kit, the Armstrong HA725 2023 is what you need!

Note: Due to the small size, we recommend this foil kit to experienced riders or to light riders in lighter winds. 

Armstrong HA725 kit Features

  • High aspect ratio front wing
  • Ideal for high wind windsurfing, tow-in, and kitesurfing
  • Super fast and turny
  • Top-notch Armstrong quality


  • Construction is based around a high-density foam core, which is wrapped with 100% IM and High Modulus Carbon. 
  • The main foil wings are shaped and refined for maximum stability and predictability at all speeds.
  • The foil sections have been carefully designed by one of the world’s foremost sport foil designers.

The ARMSTRONG HA 725 Foil Kit includes:

  • 1x Foil: HA725
  • 1x Mast: M85cm/33.5”
  • 1x Fuselage: TC60
  • 1x Tail: HA195

*Kit comes complete with – Carry case, Polycarbonate Pro Shims, Bi-Directional Titanium Washers, Titanium T-nuts, Screws, Torx tool, Protective mast and Foil covers.


ARMSTRONG Ha725 Front Wing Specs

  • Aspect Ratio: 10
  • Area: 725 cm2
  • Wingspan: 849 mm
  • Foil weight: 700 grams
  • Total Weight: 2450g




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