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 Father’s Day Gift – Sailing on Lake St. Clair February 2, 2020 ASA 114, Cruising Catamaran Certification April 2, 2024 Power-Driven Vessel Underway May 9, 2021