Selmar Srl - Drop keel for hydro-acoustic instruments like sonar, echo-sounder, etc. Drop keel can improve sensor performance, reducing the interference caused by the air bubbles released during the ship rolling.

Sailing Yacht Mona Lisa was custom built without any compromise to be the Ultimate world cruiser and bluewater passagemaker! Sailing Yacht with pilothouse, drop keel, dinghy garage, lifting keel, aerorig, expedition ruggedness for bluewater live-aboar

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