現用商船錨の改良 : アンカーの把駐力に関する実験研究その3(日本航海学会第25回講演会)

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書誌事項

タイトル別名
  • Improvement of JIS-Stockless Anchor
  • アンカーの把駐力に関する実験研究-3-
  • アンカー ノ ハチュウリョク ニ カンスル ジッケン ケンキュウ 3

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抄録

JIS-Stockless Anchor used most often, as described in the preceding paper, was not so much effectual anchor. However, it was expected that the anchor could be got a more efficient holding characteristics provided that the fluke is larger and the tripping palm is more expansive than JIS type. Then we decided to test four model anchors having partly changed forms with above expectation and a few superior anchor, i.e., Danforth patent anchor and Baldt stockless anchor, etc. for comparative study. From the results of these tests, we detected that the holding characteristics can be improved by welding the given plate or palm on the ordinary form, and that the raked tripping palm has effective operation for tripping into bottom when dropping anchor.

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