"Thom Stewart" wrote in message
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Sorry Lubber;

The Main driving force on a sailboat is Newton's Law. (Action-Reaction)

You need to upgrade your knowledge.
As starter, Explain the driving force of a down wind sailing boat.
Bernoulli isn't there! All Newton's Law.


Are you sailing square riggers or something?

Lay off the egg nog and merry christmas to you too!

Amen!