The Key to Upwind Performance | Dynamic Tuning | North Sails Expert Charlie Cumbley & Cyclops Marine

With the help of smarttune load sensors from Cyclops Marine, North Sails One Design Expert, and J/70 World Champion Charlie Cumbley explains how the dynamic balance of upwind performance hinges on forestay load. To learn more about how smarttune can boost your performance, visit: https://www.cyclopsmarine.com/products/smarttune/ or inquire at: info@cyclopsmarine.com. Find your local North Sails expert for any sail-related inquiries or questions: https://www.northsails.com/sailing/en/lofts