This highly practical guide explains what sail trim is all about - how toachieve it and what its benefits are. Aimed at owners and crews sailingall types of boats, from dinghies to offshore cruisers, with eithermasthead or fractional rigs, it covers:- mainsails and headsails- trim for light airs, medium strength and strong winds- trim for beating, reaching and running- correct camber and mast rake- weather helm - causes and cures- easy reference trimming tablesHow to Trim Sails will help racers and cruisers of all levels of experience get the best performance from their boats and sails.-Any owner will find help here in unravelling the mysteries of sailshape, as it is affected by mast bend, luff tension and the rest'' Practical Boat Owner