Apparent wind _ Sailing the Gulf Soverato _
6 Μαΐου 2026 · 7 λεπτά · 116 προβολές · Soverato
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Apparent wind is the vector sum of true wind and boat-speed wind — the two components that actually drive a sail at every moment underway.▶ 3:18 The transcript breaks the concept into its two building blocks: true wind, the ambient air measurable by an anemometer or wind vane when the boat is stationary, and speed wind, the artificial headwind generated purely by forward motion.▶ 0:50 A convertible car accelerating through still air illustrates speed wind in isolation.▶ 2:25 When a boat moves, the two forces combine at an angle that almost never aligns with either component alone, because 360 degrees of possible headings make perfect axial alignment nearly impossible.▶ 4:49 Sailing directly into the wind adds the two intensities on the same axis; running dead downwind subtracts them, sharply reducing apparent wind strength.▶ 4:01 Off those two axes, speed wind shifts the apparent wind angle forward toward the bow. Telltales on the shrouds show the resultant direction in real time.▶ 5:05 Accelerating drives apparent wind forward; decelerating, a gust, or a steering error pushes it aft.▶ 6:37 The practical takeaway: trimming sails to the apparent wind angle requires continuous adjustment because that angle shifts with every change in boat speed or true wind strength.
Περισσότερα από το riccardo mainardi istruttore Sailing the Gulf
Από riccardo mainardi istruttore Sailing the Gulf — δείτε το σκάφος του καναλιού, το πλήρωμα και κάθε αναλυμένο βίντεο.