ASA and PSIA Instructor
Join Date: Apr 2000
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Re: Jib trimmed but main luffing?
If you are sailing with an overlapping jib, as the breeze comes on you will experience some backwinding on the main...all the air volume trying to squeeze through the slot between the jib leech and the main luff can't fit, so some of it flattens the luff of the main.
This is OK, you cannot trim backwinding away, and definitely dont take the traveller up in a breeze! when sailing closehauled like this, the jib is powering the boat, the main is just helping your balance and pointing, dont worry about the backwinding.
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