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Harrow said..
chazwazza,
You've made a very good point yourself that it is not fin or sail size, but rather board size that is affecting you the most. At 158 liters, that board is about 75 litres bigger than your weight. Great for learning, but too big once you know what you're doing. The 38cm fin sounds about right for your weight and that sail size....what you've found out is that riding in the chop in an open bay at speed is indeed bouncy, but a smaller board will make it much better.
As you say, money is tight for you right now, but always good to have a plan so that you buy things that will work out for you in the longer term, and also so you can be ready to buy something if a bargain comes up. (I bought 4 boards of various sizes second hand a while ago, then kept the 2 that I liked best, so I lost very little money finding out what suited me.)
As far as sail sizes go, seems your 6.6 is working out for you in lighter winds. Too add to that, you'd be looking at something closer to 7.5 for lighter winds, and around 5.8 for bigger winds.
As you've found, simply changing fins can help you get more range from a sail, I was using a 38cm with my 5.9 the other day, which is normally much too big for that size sail given my 66kg weight, but the wind was light and I hadn't packed my larger sails. The larger fin kept me planing in the holes, as I was able to pump against it. When the wind picks up, I'm too lazy to change sails, so I usually deal with that by changing down my board and fin size.
I'd really be considering a smaller second hand board when you can. My view is that ultimately you want two boards....one that you can uphaul for marginal days, and a semi-sinker once you are comfortable with water starts and getting in the straps in 20+ knots. For you that might be a 125L and 100L board. Although you really can get some bargain sails, which I guess you've realised, and the 5.8 is going to more comfortable for you when the wind picks up, although at your weight 6.6 is not big for 17-19 knots, it really is the board size that is hammering you in the chop.
(I'm 66kg, and have 105L and 78L boards to cover that, sails 4.7, 5.3, 5.9, 6.6, 7.4, fins 25, 28, 34, 38.)
Regards,
Harrow.
Thanks Harrow for the super thorough reply! much appreciated!
My plan at the moment is to work towards getting a new style freeride board in maybe 120 to 130L. and adding a smaller sail to my arsenal so im not trying to pick very specific days that I can get out and practice. I'm a long way from a successful water start at the moment but that's the next step forwards for me I guess.
as for the fin choice, I put the 24cm fin on and the board felt stable and tracked really well, be it with less forward drive and lift. But the 38cm felt totally out of control and maybe that's what's its meant to feel like and more to do with my experience and skill rather than the fin itself?
The board just felt like it was trying to take off into the sky and its was a northerly which is relatively flat on the bay.
Im putting down to more time on the water really. a good tradesman never blames his tools! :)