How is membrane laminate produced? Are windsurfing membrane sails 2D or 3D? How strong are membrane windsurfing sails?
In this video Raoul Joa (Duotone Line- and Product manager Windsurfing) gives some honest insights into the production and strength of membrane windsurfing sails.
If you want to know more about Duotone’s Super Hero M.Plus membrane sail follow this link: https://www.continentseven.com/duotone-super-hero-m-plus-in-5-3-review-en/
Filmed during the Duotone 2020 distributor meeting.

Source: Continentseven