Mainsail Trim Post category:Sailing Classes Close Haul: Boom Down Centerline Close Reach: Boom Points towards Back Corner Broad Reach & Run: Boom is Eased Out to Almost hitting spreaders Use Telltales to fine tune sail trim Spread the loveTweet You Might Also Like ASA 103 Test Prep Guide September 1, 2021 Wind Speed and Direction at Lake St. Clair July 14, 2021 Sunset Sailing January 19, 2020