Ten programmes in which some of Britain's finest helmsmen show how dinghy sailors and yachtsmen can get more pleasure from their sport.

It is possible to sail a boat for years with only a sketchy idea of the forces involved in driving it through the water. But you need a clear understanding of what is going on to improve your sailing technique or achieve competitive success. It is essential that you know how sails work before you can get the best out of your boat, or out of modern sail design.
Introduced by Jack Knights
(First shown on BBC-2)