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“SPRING STYLES,” 1911-1925

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Photo #: S-584-068

Preliminary Design No.129 for a Scout Cruiser ... May 1915

Preliminary design plan for a large scout cruiser, prepared to support General Board discussions concerning the characteristics sought in future cruisers.
This plan provided two 14-inch guns and nine 5-inch guns and a speed of 35 knots in a ship 800 feet long on the load water line, 77 feet in beam, with a normal displacement of 20,850 tons. This design included 2,033 tons of armor protection, including 8 inch side armor over 322 feet by 17 feet 6 inches amidships, adding 10,350 tons displacement over design No.112. This design was last in a set of three requested as a group at the end of April 1915, apparently to further explore tradeoffs among armament, protection, and size in such large, heavily-armed scout cruisers. This design series took Preliminary Design No.112 (see Photo # S-584-050) as a baseline. Ultimately, however, no ships of this type were built.
Note: The original document was a blueprint (white on blue).

The original plan is in the 1911-1925 "Spring Styles Book".

U.S. Naval Historical Center Photograph.

Online Image: 211KB; 1600 x 1090 pixels


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Image posted 12 July 2007