InQ&A

What are the Physics behind Sailing… or how can a Sailboat go Upwind?

Wind, Sails, and Lift A sailboat is able to move as a result of the interaction between its sails and the wind. Exactly how this...
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February 5, 2012
InQ&A

What are Keels?

In boats and ships, keel can refer to either of two parts: a structural element, or a hydrodynamic element. These parts overlap. As the laying...
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December 19, 2011