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Old 7th October 2010, 02:11 AM   #9
mark h
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Join Date: Aug 2006
Location: NW England,
Posts: 720
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Also, 10 knot cold winds have a lot more grunt than 10 knot warm winds, IE In the UK, 15k to 20 k winter/Autum winds for me means a 7m, but 15k to 20k summer winds would be an 8m for me. so location is an important consideration.

I use a 9m and 10m on my iS137. I dont normally nee to get the 10m out as the 9m is usually plenty if the wind does not drop below 10k. The 10m is more for 8k to 12k. I prefer the 9m as this does 10k to 20k easily.

Main difference between a 10m and 9m is that you will feel and have more power to pump, sail deeper and point higher. Speed will not always be higher with the bigger sail because of the extra drag/weight
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The toys:
Speed W44 - Speed W49 - speed W53 - speed W58 - iS76 - iS107 - iS137 - F161.
North Warps: F2012 5.2m, 5.7m, 6.3m, 7m, 7.8m, 8.6m, 9.5m F2006 11m.

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