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Where are the fins normally installed?

April 26, 2017fins installed

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Where are the fins normally installed?

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For modest hull speeds, the fins are positioned within the middle one-third of the waterline length. If the vessel exceeds 20 knots, this region is limited to the middle one-fifth. The fin and corresponding fin actuator assembly are installed perpendicular to the hull bottom (to assure full range of motion) and as far from the keel as practical (to achieve the best possible leverage). The fin is also located to assure that its tip stays within the envelope of the beam and keel.