It’s speculation but another failure point could be the electro hydraulic mainsheet winch
those winches turn fast
When in self tailing mode ….overrides …with the mainsheet tail getting sucked into the drum during a maneuver is a common problem , dangerous to anyone close-to the sheet and it...
If you choose to own a big powerful sailing yacht you have two choices
an electro hydraulic furling system or you hire a professional seaman and go with a manual slab system
professional seaman are scarce and cost 100 k per year
i sailed a big swan with a conventional main …at the end of...
Typically the boom angle is monitored by a proximity sensor inside the boom vang
when you press the up or down mainsail button…. the first sequence is for a hydraulic valve controlling the vang to open…the boom then rises into position via gas pressure , with the proximity sensor triggered...
It’s hard for me to understand how this accident happened
it’s possible that the autopilot malfunctioned causing the crew to loose optimum wind angle for reefing
typically you hand drive to find the sweet spot..then engage auto, time the wave train , then reef
when I first read of the...
Once the boom height gets high you have no choice…roller boom or in mast
unless you have crew cable of working aloft in a chair when reefing the main
For stop and go cruising the roller boom , inmast systems are fantastic
You don’t center the boom , you don’t go head to wind to reef a roller boom
to reef you put the boat on a tack …, perhaps 60 degree awa …typically starboard
energize the auto pilot, …oversheet the Genoa or staysail to back wind the main and unload the leech
then press the button and presto...