Military
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USS South Dakota had two four-blade inboard propellers and two five-blade outboard propellers. Manufactured by Cramp Shipbuilding Co., this bronze propeller had a diameter of 17 feet 6 inches, weighed 18.2 tons, and bore Bureau of Engineering serial number 6304. Thrust from the four propellers was 130,00 horsepower, and the designed speed was 27 knots (30 MPH). The propeller honors the officers and men who served aboard "Battleship X."
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Sioux Falls, South Dakota · United States
