This is line tensioner is for the jib. I have redesigned the rig. There is no longer a forespar nor a stay for the jib to be hankt on to instead its leading edge is made of spectra or dynema and tensioned. Hence the winch.
It gives a very big force fore its size and weight and need no servicing
An other great advantage is because the standing part is made of carbon it can be laminated to the deck spreading out the load on the sandwich construction

Unfortunately the software to this blog still does not work. This has been written blindly. When it works properly I will write more.