High vs. Low Aspect Ratio of a Sailboat Keel High Aspect Ratio: Tall and narrow (deep fin keels on modern racing boats). They create less induced drag and point higher into the wind efficiently, but require more draft and exert higher leverage loads on the hull. Low Aspect Ratio: Short and long (full keels on traditional cruising boats). They offer great directional stability and shallow draft options, but produce more drag and slip more sideways (leeway) under sail.  #sailing #sailingschool #sailboat #sailor

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Once or twice a year, in the past, we have come along a triple departure on a single evening... Whao that was crazy evenings, checking in all our divers, but we managed well. Special thanks to our "ground support team", the incredible office staff, behind the scene that organizes all trips.

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Firing Sunset Salute Cannon, Labor Day Raft Up MacGregor 26M Mark Twain Lake

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UK Sailmakers’ Head Sail Designer Pat Considine uses BSG Development’s FSI sail analysis program to help fine-tune his sail designs. The FSI program works like a virtual wind tunnel allowing Pat to make sure no section of the sail becomes overloaded, allows him to see how the flying shape changes with trim, mast bend, rig tune across a range of wind speeds. The program analyses how all the components of the boat’s rig and sails work together. In this video Pat talks about how he used the program to advance his sail designs for square top mainsails. At the end of the video analyzing the mainsail shape on the Mark Mills designed Cape 31, Pat said, “Anyone who got a square top mainsail design this year benefited from the Cape 31 study. It helped improve the group’s designs for square top mainsails.” This is just one more example of the technical tools UK Sailmakers uses to ensure our customers get the fastest sails possible.

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