The foiling phenomenon – how sailing boats got up on foils to go ever-faster

by yachtingworld.com

The latest America’s Cup foiling cats are providing a wonderful spectacle as they scorch round the racecourse, but how did foiling start and what are the issues involved? Matthew Sheahan investigates

Photo: Gilles Martin-Raget

Photo: Gilles Martin-Raget

Here’s a challenge. Design a way to support the weight of five saloon cars on a plate the size of your desk on the water. That was the task that faced America’s Cup designers in their bid to make the new breed of Cup boats fly.

If that’s a bit tough, here’s an alternative. Support a 70kg person and their boat in the water on a plank the size of a cricket bat. This one is much easier, the GCSE of hydrodynamics by comparison, with plenty of examples as to how it can be done thanks to the proliferation of foiling Moths around the world.

Getting boats to fly above the water surface is simple in theory, but tricky in practice and has challenged designers for over a century, but in the last decade one class appears to have cracked it.

On the face of it, … Read entire article on yachtingworld.com

Leave a Reply

Your email address will not be published. Required fields are marked *