Hashtag Sal · video

What this video covers

Adriano Plotzky surveys six emerging technologies and assigns each a probability score and timeline for reaching cruising sailboats.▶ 0:55 The scow bow hull — a wide, flat-nosed form invented by David Rayson for the Mini 650 in 2011 and prototyped in the VPLP Sail Scow 37 — scores 6–7 out of 10 for adoption, with commercial models possible from 2030 onwards; the trade-off is higher wetted area and a punishing motion in steep chop unless the hull is planing.▶ 1:57 Hydrofoils score only 3 out of 10 due to complexity, carbon reinforcement requirements, anchoring complications, and capsize risk illustrated by the Gumball G4 catamaran; partial low-lift foils, as used by Carlos Meneira in the Mini Transat, are rated more plausible.▶ 5:56 Quantum inertial navigation — atom-based positioning requiring no satellite signal, already tested militarily in the UK — scores 2 out of 10 for cruising boats before 2050 because of cryogenic cooling requirements.▶ 9:10 Perovskite solar cells, promising 50% greater efficiency than silicon and spray-application on sails and decks, score 5 out of 10 with a one-to-two-decade horizon, held back by UV and moisture degradation.▶ 10:35 Nanotechnology antifouling coatings, including PNNL's self-regenerating SLC film, are projected within ten years; Coppercoat and Prop-One are cited as current benchmarks.▶ 12:07 Electric and hybrid propulsion scores highest: a crew crossed the Atlantic aboard an Arcona 435 MKII using electric drive with propeller regeneration, and Volvo Penta announced a hybrid system for late 2025.▶ 14:31 PredictWind is named as an existing platform already incorporating AI routing.▶ 19:40

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