BACK IN 2008, MY friend and mentor Peter invited me out for a sail off Marblehead, Massachusetts. Given that Peter was also my boss (at the time) and the day in question was a workaday Wednesday, my answer was a resounding yes, even if the agenda involved calibrating his new autopilot. We motored out of the harbor, Peter fiddled with buttons and, I slowly began spinning (many) circles. Colorful Kiwi cuss words erupted as Peter, a New Zealander, tried to get the autopilot to cooperate. No dice. Luckily, the breeze arrived, and we had a fantastic sail, but I couldn’t help but wonder if there wasn’t an easier calibration process.
Now, thanks to today’s solid-state compasses, there is, and the benefits extend far beyond autopilots. Fluxgate compasses have long served…