Hashtag Sal · video

What this video covers

A sailor explores the practical and philosophical aspects of celestial navigation while anchored in the Baía de Camamu, Brazil.2:22 The host demonstrates the use of a Davis Mark 25 plastic sextant to determine position via meridian passage, a method requiring the alignment of a celestial body—typically the sun or Venus—with the horizon.11:19 By measuring the sun's maximum altitude and comparing it to declination tables, a navigator can calculate latitude and, with an accurate clock synchronised to Greenwich Mean Time, determine longitude.12:39 While modern GPS renders manual methods less frequent for daily cruising, the host emphasises the value of celestial skills as a redundant system, citing a past lightning strike that disabled his boat's electronics.17:08 The narrative also covers the logistical challenges of living aboard, including the fabrication of a custom hard doghouse using CAD design and CNC-milled foam moulds to ensure a precise fit.3:21 The host reflects on the importance of maintaining a clear life trajectory, drawing parallels between navigating at sea and navigating personal circumstances.

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