This is pretty cool as a test bed of what's possible for oceanic transport… solar + wind + hydrogen fuel cell to power a boat.https://jalopnik.com/hydrogen-is-a-bad-car-fuel-but-its-the-perfect-boat-fu-1841435502 …
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Replying to @leehower
I was curious about a solar powered container ship, so I did some math. Biggest ship: 62m x 400m = 15K 400W panels = 6MW They use bunker fuel, ~114K L per day, or 4.7K L/h A diesel generator can generate 1MW at 250 L/h, so this volume is 19MW 3X off
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It's a boat, you don't need energy density. Hydrogen is a good enough fuel for trans-continental air transport, actually, just there are a lot of handling challenges and practical concerns. Another neat one is NH3 -- ammonia. Cleaner, in some respects... not, in a leak.
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Replying to @DanielleFong @leehower
so for boats this would mean a flatter design? - more solar / wind surface area - maybe slower speeds?
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yeah, and you'd consider flying a kite in a cross wind-pattern like Makani. This, btw, is a totally manageable development project for a well managed, small startup, if you work with Makani + a Solar mfgr. Maybe faster speeds are attainable actually. It's worth it for a niche.
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