It depends on what class of boat, what mast and boom you have and what amount of wind you sail in.
Sailboat racing
Making the sail area smaller is called reefing.
Yes, though they are referred to as classes
Heck yes! it is work! but really fun...
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I have found that these two sites are helpful:www.boathistoryreport.comwww.boatfax.com
I believe you're probably asking about a Spinnaker. The Simonator
Sailing vessels are now mainly for pleasure, some are used for racing and some for training purposes
109 racing son!
Fox racing boots
best racing game online is NFS. If you count consolegames which include online play, then Gran Turismo 5 is the best.
Royal Yachting Association - The RYA is the national body for all forms of boating, including dinghy and yacht racing, motor and sail cruising, RIBs and sports boats, powerboat racing