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Autopilot B&G vs Raymarine for 40-50 foot sailboat: 2026 technical guide
On a 40-50 foot sailboat, choosing an autopilot is rarely a brand decision. It’s a program decision: what you do with the boat dictates the algorithm, and the algorithm dictates the computer. The hardware follows. Both B&G NAC-3 and Raymarine Evolution cover this segment: we regularly install both, and each ecosystem has a field where it’s honestly more relevant than the other. This article compares the two families point by point — computer, sensors, ram, routing, price, warranty — and gives a verdict argued by usage. No "best autopilot", because it always depends on the boat and the skipper. But a clear decision grid, signed by an engineer who has installed them.
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