this post was submitted on 18 Feb 2024
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Funny: Home of the Haha

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[–] grue 80 points 7 months ago (27 children)

FYI, the main innovations of these kite sails compared to traditional sailing ships are that it doesn't need masts that get in the way of cargo handling and that it requires fewer crew. In other words, it's not faster or anything; it's just cheaper.

[–] [email protected] 15 points 7 months ago (24 children)

Modern cargo ships are so huge traditional sails wouldn't provide enough force to push them around. Neither will these kites, mind you. But, supplemental energy will still be a bonus, and a kite can reach higher and sit in faster, more stable winds.

[–] grue 9 points 7 months ago (8 children)

Modern cargo ships are so huge traditional sails wouldn’t provide enough force to push them around.

Believe it or not, "proportionality" is a thing. You make the ship bigger, you make the sails bigger to match. Simple! Granted, previously, making sails bigger was limited by the weight of the things when hoisted by men operating manual winches, but now we've got motors now to solve that, and higher strength-to-weight ratio materials, too.

Point is: I maintain that, in principle, you could make a post-Panamax sailing ship -- even a traditional fully-rigged one -- if you really wanted to, and it would be capable of sailing at hull speed on wind power alone. It's just that they don't want to for reasons unrelated to technical feasibility.

[–] Rice_Daddy 4 points 7 months ago

Sailing cargo ship is a thing. There's a record breaker recently in fact.

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