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https://www.washingtonpost.com/business/technology/self-fueling-boat-sets-off-from-paris-on-6-year-world-trip/2017/07/15/03b2ac7a-6976-11e7-94ab-5b1f0ff459df_story.html
report that a 100 foot (~30m) racing catamaran has had the mast(s) removed and instead fitted with a combo of solar cells and vertical axis wind turbines. It also makes H2 by electrolysis of sea water and can run off a hydrogen fuel cell at night.
Originally designed in 1983, the boat enjoyed a successful career in open-sea sailing races before skippers Frederic Dahirel and Victorien Erussard and a French research institute converted it into the Energy Observer project.
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Self-Fueling Boat Sets off From Paris on 6 Year World Trip
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You are a fluke of the universe; you have no right to be here.
(Score: 3, Informative) by Whoever on Sunday July 16 2017, @07:56PM
They chose one of the most inefficient energy storage mechanisms. What's the point of this? To show that you can sail round the world using only renewable energy? I'm fairly confident that people proved that was possible a few hundred years ago.
In fact, the winner of a recent single-handed round the world race (Vendee Globe) finished in only 74 days. They have electricity on board the Vendee Globe boats: generated by turbines running just aft of the boat in the water.