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A comment on Launch HN: OutSail (YC W23) – Wingsails to reduce cargo ship fuel consumption. Parent comment

Re:Launch HN: OutSail (YC W23) – Wingsails to reduce cargo s... by Turskarama on Monday April 03, 2023 @10:16PM (#35434120)
I believe the design is to roll them up like a measuring tape.
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