Sven Yrvind · vidéo

Ce que couvre cette vidéo

Sven Yrvind retrieves paper charts accumulated over years, selects a working set, and transports them by bicycle to his boat in light rain, protecting them in a plastic bag.Watch At the boat, he cuts the charts down to 32 by 32 centimeter squares — roughly one foot by one foot — then folds them to fit a small storage compartment.0:47 He notes the folding stays under seven times, referencing the mathematical limit on folding paper.4:35 On navigation redundancy, he dismisses the sextant as impractical for solo use: a four-second timing error produces a one-mile longitude error, and a sextant also requires tables, a nautical almanac, and plotting tools.2:35 He carries a spare GPS instead, reasoning that simultaneous failure of the US GPS, Russian GLONASS, European Galileo, and Chinese BeiDou systems is so improbable that if it happened, civilization's problems would dwarf his own.3:20 His conclusion: multiple redundant satellite systems make sextant navigation unnecessary for his purposes.4:14

Plus de vidéos de Sven Yrvind

Four Sheets of Divinycell for the Hull Sides – I Think That's Enough.oct. 2026Nervously Cutting the Divinycell Sheets.oct. 2026Trying to Get the Sheerline Right.oct. 2026More molds up.oct. 2026

De Sven Yrvind — voir le bateau, l'équipage et chaque vidéo analysée de la chaîne.

The Sailing Directory Newsletter

Un e-mail avec les meilleures trouvailles de la flotte — les moments, les bateaux et les histoires qui valent la peine d'être regardés. Entrez votre adresse pour recevoir votre propre exemplaire.