no, the keel has not a thing to do with understanding how a sail works.
nothing.

it does have something to do with how a sailboat works, but not a thing on how
a sail works.

If you understand a wing you are 3/4 of the way there.

no, 100%. airfoils don't know whether they are vertical or horizontal.

So?

so, if you undestand a wing you 100% of the way there, not 3/4.


The keel must be taken into consideration when sailing upwind.
Airplanes move in one medium, sailboats move in two.

Jack

_________________________________________________ _
Jack Dale
Swiftsure Sailing Academy
Director/ISPA and CYA Instructor
http://www.swiftsuresailing.com
Phone: 1 (877) 470-SAIL (toll free)
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