Forward Sailing has developed the first screw battens tensioner with a voltage scale, to determine a glance at what pressure level the slats are set.
Until then, browsers experts used the system to measure empirically becket and regain power, it is now much more accurate with the new tensioner Forward Sailing.
Very simple to use, it puts the end of the strip, stainless steel hex screw actuates the internal mechanism.
It is compatible with many tubular battens or rectangular section. It is also possible to use aftermarket on great sails with battens are fitted with blackjacks.
(Fren Source :actunautique.com )