Posted by 
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.
Click on the picture to watch the video.
Find the smarttune for your boat, or enquire here. And get in touch with Charlie at charlie.cumbley@northsails.com for any sail-related enquiries or questions.
Follow Us!