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Severne Alien 2021

  • Numéro d'article: 8739
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Severne Size Guide

Serverne Alien 2021


Purely designed as a windsurf foil board, the Alien enables all the variables to work in harmony and move beyond simply balancing on a foil to WINDSURFING on a foil. A functional foil board with refined details that makes foiling both accessible AND desirable.

The Alien development program was initiated when the disappointment of bolting a hydrofoil to a normal windsurf board was realized. By analyzing and gaining a deep understanding of the new variables that foiling introduced, we saw that specific foil-oriented equipment was required to elevate the experience to a true windsurfing sensation; blasting in control and carving turns rather than balanced on top, nervously trimming.

The differences between the Alien and a normal freeride are many; shape, length, rocker, stance, pretty much everything. But this new geometry works in conjunction with the foil and rig to deliver balance, and a new windsurfing world to any competent windsurfer. It opens up more locations to windsurf, and can double or triple your days on the water. Stable enough for your first flights, the Alien has the considered details to deliver performance so as not to be outgrown.


The volume distribution is very important on a foil board as it can be used in much lighter winds than you need to waterstart. So uphauling is an important consideration, and the Alien has enough volume forward to allow traditional uphaul technique with one foot either side of the mast base. A lot of volume in the back half of the board allows you to get into the straps before the board is even moving, and then kick-start up onto the foil.

Shorter length reduces the leverage and lift required by the foil to get the board out of the water and keep it there. So the Alien is much shorter than normal freeride boards, but still has enough length to be able to use the nose area for down-force at high speeds, balancing the lift from the foil. Having some length at the front also softens re-entry, minimizing catastrophic touch-downs.

The width of the board matches the widths of the foils it’s designed for. Too wide and the board has too much leverage over the foil and it’s easy to overpower the foil or not have enough support. Too narrow and the foil can dictate where the board goes. So we balance it up – Alien widths are 65-75cm wide, and designed for similar width foils.

Size Length Wide Fin Box Sail Range Weigth Rider
105l 190 65 Deep Tuttle Foil Box Freek 4,0 – 5,6 / FoilGlide 5,0 – 6,0 7,2 < 85
115l 200 70 Deep Tuttle Foil Box Freek 4,4 – 5,9 / FoilGlide 5,0 – 7,0 7,3 < 95
125l 210 75 Deep Tuttle Foil Box Freek 4,8 – 6,3 / FoilGlide 5,0 – 7,0 7,6 < 110
Marque: Severne
Windsurfboard Size: 121-130L
Windsurfboard - Shape: FreeRide Foiling
board category: Foil
Year: 2021

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