Mar 17, 2017

Not the previous poster, but this was on HN a week ago:

http://ljjensen.net/Maritimt/A%20Review%20of%20Modern%20Sail...

https://news.ycombinator.com/item?id=13829625

Mar 17, 2017

This [1] is one of the most comprehensive examinations of lift, written in layman terms.

You can read the HN discussion here [2], since this appeared on the front page a week ago, much to my surprise [3].

[1]1 http://ljjensen.net/Maritimt/A%20Review%20of%20Modern%20Sail...

[2] https://news.ycombinator.com/item?id=13829625

[3] https://news.ycombinator.com/item?id=13835243