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Online Library of Selected Images -- Picture Data

Photo #: S-584-193

"River Gun Boat -- Tunnel Stern Type" ... September 8, 1924


Preliminary design plan for a river gunboat for operation in Chinese waters. This drawing represents the final preliminary design forwarded on 8 October 1924 to the Secretary of the Navy and approved on 16 December 1924 for ships that were planned to be built under the Fiscal Year 1924 building program. This design was based on diesel machinery and propellers aft operating inside tunnels. In the event, however, the six ships built at this time (two each of the Guam (PG-43), Panay (PG-45), and Luzon (PG-47) classes) used plans provided by the Chinese shipbuilder that differed in detail from this preliminary design.
This plan provided two 3-inch guns, diesel machinery, and a speed of 15 knots in a ship 180 feet long on the waterline, 27 feet in beam, and with a normal displacement of 385 tons in fresh water.
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 History and Heritage Command Photograph.

Online Image: 385KB; 2475 x 1105 pixels

 

NOTES:

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  • To the best of our knowledge, the picture referenced here is in the Public Domain, and can therefore be freely downloaded and used for any purpose.

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    Image posted 9 March 2008