Brendan Hones


Brendan's latest writings
Sailing Theory - Understand How a Sail Works

A sail can be likened to a wing in the way it works. When a wing moves forward, some air passes below the wing and some above. Due to a phenomenon known as the Coanda effect, air will tend to follow an adjacent surface that curves away from the flow as long as the curvature of the surface is not too great. When moving air changes direction, a force is generated. A wing has a relatively flat bottom face... (posted by Brendan 2 years 26 days ago.)