What does CPA on your chartplotter indicate?
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Send your answer to cruisingcompass@bwsailing.com. The winner, selected randomly from correct answers, will receive a Blue Water Sailing hat.
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Thanks to last weeks winner, Gary Warner, for his answer to the question: How much longer does your displacement boat need to be if you want to double the hull speed? Four times, as displacement speed is proportional to the square root of the waterline length.