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Old 27th May 2011, 11:37 PM   #13
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Its definitely your fin; its way too big.(I use a 38 on 7.5 and its fine for freeriding)

As a general rule multiply sail size by 5 and add 3. (so a 5metre would need, (5x5) +3 = 28cm..

Also move harness lines back; helps get rig forward. (ie CoE forward of cetre of resistance will make you bear away.)
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