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UNITED STATES NAVY DEPARTMENT
BUREAU OF CONSTRUCTION AND REPAIR
“SPRING STYLES,” 1911-1925

Online Library of Selected Images -- Picture Data

Photo #: S-584-165

"Cruiser Submarine Type # 3 -- Protected against Torp. & Gun Fire" ... October 23, 1920


Preliminary design plan for a "Cruiser Submarine" (Type # 3 -- Protected against Torpedoes and Gunfire). The Chief of the Bureau of Construction and Repair requested in early October 1920 that his staff develop a set of comparative studies for ships of this type, apparently reflecting his desire to anticipate a possible need for large submarine scouts for transoceanic operations. Compared to the other three designs considered, a contemporary Bureau report considered Type # 3 superior for having a better balance of capabilities, being deficient only in speed. The concept was not pursued, however.
This plan provided four 8-inch guns, diesel machinery, and a surface speed of 11.75 knots in a ship 425 feet long on the waterline, 60 feet in beam, and with a normal surface displacement of 13,500 tons.
Note: The original document was ink on linen (black on white).

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

U.S. Naval Historical Center Photograph.

Online Image: 470KB; 2475 x 1100 pixels

 

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Image posted 3 February 2008