What LogScanner tells you about your tacks There are several things LogScanner can tell you about when you look at tacks. How much distance you lost to weather – the cost of tacking How much wind shear you are experiencing How good your wind solution is (your
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Tack on shifts? The BET diagram tells you The BET diagram (Break Even Tacking) is a tool to help you decide whether or not to tack on wind shifts. If the wind shifts are small or short, the shift won’t produce enough gain to make up for
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Shooting the finish gains you 3 boatlengths When you shoot the finish, you turning all your boatspeed into Vmg, thus crossing sooner than you otherwise would. This is not trivial; it can gain you about 3 boatlengths on the other guy. With a little practice, you can
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Tack Tracker records and reports your tack score The OS5 driver includes Tack Tracker which automatically save tacks as they are performed. These tacks can be used to improve your calibrations and tacking skills. See Tack Score. Controls The Length (min) control sets the minimum time a
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Tacking is an essential part of racing. Here is how to improve yours Tacking is a complicated process involving the whole crew. The difference between a good one and a bad one is hundreds of feet loss to weather, not including possible personnel or gear damage. Here’s
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Maximizing Vmg helps you win Vmg strands for Velocity Made Good. It is the component of your speed in the direction of the true wind. This is the number that you want to maximize to get to windward as fast as you can. There is also a
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Wind shear and gradient changes the way you trim your sails How to determine shear? Wind shear is always present. Determining how much there is will improve sail trim and performance, and offer a clue about future wind shifts. Shear is best determined by tacking upwind in
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OckamSoft 5 Race is the display application for PCs OckamSoft 5 Race, EyeApp and Vysion are the display applications for OckamSoft 5, and use the same code base; Race is adapted for execution on a PC with a user interface (mouse or touch screen); EyeApp is adapted
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The importance of true wind in winning The importance of true wind cannot be understated. True Wind is the sailboat’s fuel supply. Of all the functions that an instrument system produces, true wind is the most important for performance, tactics and strategy during racing. Wind direction is
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Sailing Wind statistics let you know whether or not to tack on a shift Sailing Wind statistics provide information about shift size and length. Sometimes you have to tack, and sometimes you want to gain from a shift (see Tacking). When you tack, you lose distance to
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