Slow is OK, but it must be *exactly* predictable. Don't be early, don't be late.... | Hacker News

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ars on Aug 31, 2018 | parent | context | favorite | on: Maersk installed 100-foot-tall rotating sails on o...

Slow is OK, but it must be exactly predictable. Don't be early, don't be late.

So you can use sails to help, but if you rely on them you might be late.

vladd on Aug 31, 2018 [–]

You can keep the timetable no matter what -- use sails just to save fuel consumption when weather is favorable.

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