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S-584-165 "Cruiser Submarine Type # 3 -- Protected against Torp. & Gun Fire" ... October 23, 1920 Note:

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

Description: 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. The original document was ink on linen (black on white). The original plan is in the 1911-1925 Spring Styles Book. U.S. Naval History and Heritage Command Photograph.

Catalog #: S-584-165