Home/Canada/Do You know how to Measure for a new Main Sail? Part/2 CanadaGearVideo Do You know how to Measure for a new Main Sail? Part/2 10 February 2017 Less than a minute Darryl Hodgson of Precision Sail Loft explains in a special web series how to measure for a new main sail. After the first two videos, now he explains two new measurements. Back Stay Position Mast Gate