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Archive for the Sailing performance Category

Real world sailing

Real world sailing

Real world sailing has issues to be dealt with Real world sailing is complex. Leaving aside all the things that can go wrong with the boat and crew, the environment (wind, waves and current) and the tactical situation (where the marks and enemies are) could be subjects

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Sailing situational awareness

Sailing situational awareness

Sailing Situational Awareness Sailing Situational Awareness is changing as sailing software systems develop. Classical sailing instruments use numeric displays to provide those vital readouts that are necessary for sailing effectively. But with the advent of waterproof sunlight readable color graphics, that is changing. Instead of a screen-full

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Sailing in Current

Sailing in Current

Sailing in Current could be costing you 50 seconds/mile Sailing in current can be a blessing or a curse. Current can approach 10% of boatspeed. If it’s going the same way you are, great. If it’s going the other way, bad news. If you don’t know where

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Sailing Laylines

Sailing Laylines

Knowing where the sailing laylines are prevents overstanding Overstanding the mark is bad, but not as bad as having to short tack amongst your enemies. Sailing laylines are the final courses to the mark at the current wind speed and direction. They are calculated from the position

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Tack analysis

Tack analysis

Tack analysis provides a useful metric for crew training 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. Tacking is an important part

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Sailing Polars

Sailing Polars

Sailing Polars define how fast your boat should go Performance sailing implies making the boat perform as well as it can. For sailboats this does not necessarily mean going fast, particularly upwind. There is no magic indicator that you are going upwind at the right angle –

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Sailing lateral separation

Sailing lateral separation

Lateral separation pumping leverages wind shifts into big gains when sailing When sailing lateral separation is crucial. Being “On the wrong side of the shift” means that if you are to the right of your competition and the wind shifts left (or vice-versa), you lose distance to

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Break-even tacking

Break-even tacking

Break-even tacking Everybody knows you should tack on a header. The problem is that tacking includes a penalty – distance lost to weather (DLw – see Tack Analysis). Your DLw first needs to be paid back before your tack is a gainer. And that depends on the

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Tactical sailing

Tactical sailing

Tactical sailing executes your strategy You should determine your Strategy (game plan) before the race begins to provide focus. During the race, tactical sailing is used to execute this game plan. Your strategy might change depending on what you discover during the race, but tactical sailing continues

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The Wally

The Wally

Gain from wind shifts without tacking The Wally is a technique for gaining advantage of wind shifts when you can’t or shouldn’t tack. When should you not tack? See Break-even Tacking. The Wally was invented in Fremantle where the wind shifts were regular, but too short to

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