What is the 50-90 rule in sea kayaking?
What is the 50-90 rule in sea kayaking? Starting with no movement at slack water by the end of the 1st hour the current will be flowing at 50% of its maximum speed. By the end of the 2nd hour it will be running at 90% of its maximum speed and will attain the full […]
What is the 50-90 rule in sea kayaking? Read Post »
