node_uuid: c686379a-f702-4b66-9e31-d7cf89dd37e3 nid: 48674 item_id: bbc954b3-4fdb-4cab-84b6-5d1d6fd7ba64 cat_id: 40470101 source_oai_id: oai:iiif.dl.itc.u-tokyo.ac.jp:110619 path_alias: /assets/bbc954b3-4fdb-4cab-84b6-5d1d6fd7ba64 title: FACTS ABOUT THE OERTZ RUDDER card_catalog: FACTS ABOUT THE OERTZ RUDDER description_raw: ID: 40470101 | 文書種類: 論文冊子 | カード目録: FACTS ABOUT THE OERTZ RUDDER | カテゴリ: 軍艦構造:舵 | 所蔵: 東京大学柏図書館 | 登録年: 2007 | エンティティ（Google Cloud Vision）: product | エンティティ（Google Cloud Vision）: brand | エンティティ（Google Cloud Vision）: black and white | エンティティ（Google Cloud Vision）: rectangle | エンティティ（Google Cloud Vision）: square | エンティティ（Google Cloud Vision）: font | エンティティ（Google Cloud Vision）: text | エンティティ（Google Cloud Vision）: paper | エンティティ（Google Cloud Vision）: document | エンティティ（Google Cloud Vision）: book | エンティテ… extent_text: 英文印刷物 | 29枚 doc_type: 論文冊子 holder: 東京大学柏図書館 registered_year: 2007 vision_entities: product, brand, black and white, rectangle, square, font, text, paper, document, book, design, monochrome, structure, diagram, pattern, angle, graphic design, drawing, artwork, photograph, picture frame, photographic paper, stock photography, modern art, line, material old_manifest: https://iiif.dl.itc.u-tokyo.ac.jp/repo/iiif/110619/manifest image_url: https://iiif.dl.itc.u-tokyo.ac.jp/repo/s/hiraga/document/53ac7aa2-ce6e-49bd-a5d5-fd976a60daf7 iiif_manifest_id: 110619 iiif_service_id: https://iiif.dl.itc.u-tokyo.ac.jp/iiif/hiraga/40470101/40470101-001_001.tif canvas_count: 17 color_mode: monochrome indexed_at: 2026-04-28T13:07:26.578239+00:00 item_summary_model: gpt-5.5 item_summary_at: 2026-04-28T18:04:12.949001+00:00 item_summary: 論文冊子「FACTS ABOUT THE OERTZ RUDDER」は、OERTZ STREAM-LINE RUDDERの構造・装着法・操舵性能・速力向上・経済効果を説明し、普通板舵やbalance-rudderとの比較、実船成績を示す資料。OERTZ（Hamburg）、Prof. JUNKERS、Hamburg-Amerika Line、Woermann-Line、NORDDEUTSCHE LLOYD、BLOHM & VOSS、Vulcan Shipbuilding Stettin、艦船「STEIGERWALD」「COBRA」「KAISER」「WAHEHE」に言及。年代不明。キーワード: OERTZ RUDDER, 舵, streamline, STEIGERWALD, COBRA, Hamburg-Amerika Line, 操舵性能, 速力向上 description_raw_en: ID: 40470101 | Document type: thesis booklet | Card catalog: FACTS ABOUT THE OERTZ RUDDER | Category: Warship construction: rudders | Holding: University of Tokyo Kashiwa Library | Year registered: 2007 | Entity (Google Cloud Vision): product | Entity (Google Cloud Vision): brand | Entity (Google Cloud Vision): black and white | Entity (Google Cloud Vision): rectangle | Entity (Google Cloud Vision): square | Entity (Google Cloud Vision): font | Entity (Google Cloud Vision): text | Entity (Google… extent_text_en: Printed material in English | 29 sheets i18n_translation_model: gpt-5.5 title_en: FACTS ABOUT THE OERTZ RUDDER i18n_translated_at: 2026-04-29T03:39:06.114854+00:00 item_summary_en: The thesis booklet “FACTS ABOUT THE OERTZ RUDDER” is a document describing the structure, method of installation, steering performance, speed improvement, and economic effects of the OERTZ STREAM-LINE RUDDER, and presenting comparisons with ordinary plate rudders and balance-rudders as well as results from actual ships. It mentions OERTZ (Hamburg), Prof. JUNKERS, Hamburg-Amerika Line, Woermann-Line, NORDDEUTSCHE LLOYD, BLOHM & VOSS, Vulcan Shipbuilding Stettin, and the ships “STEIGERWALD,” “COBR… card_catalog_en: FACTS ABOUT THE OERTZ RUDDER