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A comment on Ask HN: What is the biggest untapped opportunity for startups?. Parent comment

Re:Ask HN: What is the biggest untapped opportunity for star... by innocentoldguy on Monday February 06, 2017 @01:07AM (#13576930)
The problem with using sails is speed. On average, cargo ships travel approximately three to four times faster than sailing ships (20 to 24 knots vs. 5 to 8 knots).
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Re:Ask HN: What is the biggest untapped opportunity for star... by Gustomaximus on Monday February 06, 2017 @06:00AM (#13578366)
I came across this article that said they are often slower, the larger cargo ships at least.

https://www.theguardian.com/environment/2010/jul/25/slow-shi...

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