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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iPhones currently don't make current economic sense to be on boats because the capital density that's held in inventory as it crosses the ocean is immense. So for high value products renewable naval cargo transport can have a market & you can pressure brands to do it
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My god we could call it a “LightSail”
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I’m game
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