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A comment on Candela P-12 taking off – Electric hydrofoiling passenger vessel [video]. Parent comment

Re:Candela P-12 taking off – Electric hydrofoiling passenger... by KWxIUElW8Xt0tD9 on Tuesday November 21, 2023 @03:06PM (#38369321)
I recall a hydrofoil on Lake Garda -- obviously lots of power required -- it was much louder than the normal ferries on that lake.
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Re:Candela P-12 taking off – Electric hydrofoiling passenger... by nine_k on Wednesday November 22, 2023 @05:31PM (#38386101)
Some hydrofoil ships are powered by turbines, which produce a high-pitch whine, much more noticeable at a distance than the low-frequency rumbling of a diesel.
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