Join Date: May 2005
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If you race, and do the NFS or white sails, ie Non Flying Sails/ spinnakers. You can have a whisker pole that is up to 80% of the LP of the sail.
So assuming your 150 is 150% of 13', that would be 19.5' times .8 = 15.6' of potential max length pole. You could go smaller than your J which would be a pole of 13', but reality is, most will stick with a pole no less unless they really have to. So a 10-18 pole would work fine for your useage.
I use a 10-18 with a 12'J. I also have marks on the sliding pole, and the line we use to extend the pole for ea of my head sails, a mark for the 130, which is the J value, a mark for the 140 and 155. For my 110, I use the J value mark, or get out the actual spin pole.
She drives me boat,
I drives me dinghy!