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In order to study the blade stress of a propeller in operation, full scale measurements were performed on the container ship "HAKONE MARU" in her 39th voyage between Japan and the west-coast of the United States, as a part of the research programme of Shipbuilding Research Association of Japan.<BR>The protection of gauges against sea-water, which was one of the most difficult problems in this kind of the test, was overcome by the newly developed method of double coating with the low-temperature solder and the epoxi-resin.<BR>Not only the fluctuation of the blade stress in calm sea, but also that in steady turn and in rough sea, which were scarcely reported up to the present, were obtained with success.<BR>A comparison of the measured data with those of calculation based on a quasi-steady approach was made and the validity of this calculating method is discussed.
公益社団法人日本マリンエンジニアリング学会の論文