The Cape Horn windvane This is the wind-powered autpilot. It uses an auxilliary rudder to generate power to move the tiller, guided by the windvane, to keep the boat at a constant angle to the wind. And it works great! Sailing to Pillar Point

DateTime::__construct(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.