Sailing Yabávídeo
Learning to Cross the Atlantic With Nothing but a Sextant — Sailing Yabá 293
30 de novembro de 2025 · 21 min · 33K visualizações · Brazilian coast
O que este vídeo aborda
Ben, sailing on a Colin Archer Polo 34, learns celestial navigation techniques from a solo sailor who recently crossed the Atlantic using only a sextant, a watch set to GMT, and nautical almanacs.1:19 The lesson focuses on determining ship’s midday by measuring the sun’s maximum altitude above the horizon.6:06 To calculate latitude, the navigator records the precise time the sun reaches its peak and applies geometric formulas using data from reference books.6:36 The process requires a clear horizon, a stable platform, and accurate timekeeping to avoid significant position errors.16:16 The video also introduces the Brise sextant, a compact, multi-mirror instrument designed by Sven Irwin for use on small vessels.9:23 Additionally, the encounter provides practical insights into gaff-rigged sailing, including the selection of materials, pulleys, and rigging configurations for two-person crews.19:21 Ben’s initial attempt at a sextant fix resulted in a 13-mile discrepancy compared to his GPS, highlighting the necessity of consistent practice and precise horizon sightings for reliable offshore navigation.18:16
Mais de Sailing Yabá
De Sailing Yabá — veja o barco, a tripulação e cada vídeo analisado do canal.
The Sailing Directory Newsletter
Um e-mail com os melhores achados da frota — os momentos, barcos e histórias que valem o seu tempo de visualização. Insira seu endereço para receber sua própria cópia.



