On 16 Aug 2004 01:38:25 GMT, (JAXAshby) wrote:

andy, lift is lift. airfoil or water foil or ethylenglchol or methanol or
whatever.


Sails are asymmetrical, keels are symmetrical.

Makes a difference.

But to sail upwind effectively you need both sails and a keel. Ergo -
sails are not 100%. Downwind is another issue. I watch Lasers raise
their keels on a leeward leg.


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