Forces on sails: Difference between revisions

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The values of driving force (''F<sub>R</sub>'' ) and lateral force (''F<sub>LAT</sub>'' ) with apparent wind angle (α), assuming no heeling, relate to the values of lift (''L'' ) and drag (''D'' ), as follows:<ref name=Fabio/>
:<math>\ F_R = L \cdot \sin(\alpha) - D \cdot \cos(\alpha) </math>
:<math>\ F_{LAT} = L \cdot \cos(\alpha) + D \cdot \sin(\alpha) </math>
 
===Reactive forces on sailing craft===