the key to upwind performance | dynamic tuning | north sails expert charlie cumbley & cyclops marine Published 3 years ago • 157K plays • Length 8:00 Download video MP4 Download video MP3 Similar videos 13:49 sailboat racing tips: listen and learn 29:30 ovington inlands 2022 sunday ok 8:53 vang sheeting in a laser sailboat 4:43 ok dinghy: tuning guide with charlie cumbley 1:18 the dynamic balance of your rig 6:19 ok dinghy: using sail controls to maximize performance