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BOATING SAILING <br />CRITE R1 A <br />f <br /> PHYSICAL SAFETY OPTIMUM <br />DEPTH 5 ft + <br />minimum 3 ft 4 ft <br />maximum NA NA <br />VELOCITY 0.25-0.75 fps <br />minimum 0 fps 0 fps <br />maximum 1.5 fps 1.25 fps <br />COMMENTS : Keel or centerboard depth i s critical . <br /> 7 <br /> 6 <br /> 5 <br />= <br /> <br />a <br />W <br />O <br /> 4 <br /> 3 <br /> LEGEND <br /> optimum <br /> <br /> <br />•::: <br />'"'' <br />.... acceptable <br /> marginal <br /> unacceptable <br />2L <br />0 <br />... •: ..- <br />:. ...... <br />:•.•:• <br />... <br />;.. ••. <br />....... .. :•::..•r--- <br />.5 <br />1.0 1.5 <br />VELOCITY <br />2.0 2.5 <br />A-9 <br />