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The North U Sail Trim Simulator is a training tool to help you develop your sail trim skills. Leveraging data from the North Sails Design Suite, the North U Sail Trim Simulator provides a full array of sail trim controls for mainsail and jib trim. In the app you can set wind speed and adjust trim to optimize performance and change views to any position on or off the boat. Currently using a J35 additional designs will be added over time.
This app has been updated by Apple to display the Apple Watch app icon.