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Modification Plan

AI summary (β): A modification plan (draft opinion paper) concerning improvements to the stability of vessels of 2,000 tons or less and of more than 2,000 tons. Includes a draft addressed by Hiraga Yuzuru to Tokugawa Daisaku, and bears references to the Tokyo Imperial University Faculty of Engineering Department of Naval Architecture and the Navy. Discusses range of stability, center of gravity, GM, wind-pressure area, ballast keels, fixed ballast, etc., and calls for removal of upper weight, reinforcement of the lower hull, and prevention of reduction in speed. Includes the date April 10, 1934. No specific ship names are recorded. Keywords: Hiraga Yuzuru, Tokugawa Daisaku, stability, 2,000 tons or less, GM, wind-pressure area, ballast keel, Tokyo Imperial University Faculty of Engineering Department of Naval ArchitectureAuto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
Item ID: 0aaa4dc4-286c-46c9-a66a-8d86ff1d44eb
Catalogue ID: 30030301
Card catalogue: "Modification Plan [by Hiraga]"
Doc type: 意見書?
Category: 軍艦構造:復原性
Extent: 4 sheets, carbon copy on Navy ruled paper; 8 sheets, pen on Tokyo Imperial University Faculty of Engineering Department of Naval Architecture ruled paper | 12 sheets
Holder: 東京大学柏図書館
Year registered: 2007
Remarks: One bundle consisting of main text (3 sheets) + cover letter? (1 sheet) + draft modification plan? (8 sheets)
GCV entities: Document / Diagram