NAVYPEDIA

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Charleston

Ships

No	Name	Yard No	Builder	Laid down	Launched	Comm	Fate
C20, 7.1920- CA18	St. Louis		Neafie & Levy, Philadelphia	31.7.1902	6.5.1905	18.8.1906	stricken 3.1930
C21	Milwaukee	80	Union Iron Wks, San Francisco	30.7.1902	10.9.1904	11.5.1906	wrecked 13.1.1917
C22, 7.1920- CA19	Charleston	41	Newport News	30.1.1902	23.1.1904	17.10.1905	sold 3.1930

Technical data

Displacement normal, t	9700
Displacement full, t	10839
Length, m	129.9
Breadth, m	20.1
Draught, m	6.86 mean
No of shafts	2
Machinery	2 VTE, 16 Babcock & Wilcox boilers
Power, h. p.	21000
Max speed, kts	22
Fuel, t	C20, 21: coal 1650 CA22: coal 1700
Endurance, nm(kts)	6200(10)
Armour, mm	Harvey steel - belt: 102, deck: 76 - 51, casemate: 102, CT: 127
Armament	C20, 22: 14 x 1 - 152/49 Mk VI, 18 x 1 - 76/50 Mk III/V/VI, 12 x 1 - 47/40-45 Driggs-Schroeder Mk I/II, 8 x 1 - 37/40 Driggs-Schroeder heavy Mk I C21: 14 x 1 - 152/49 Mk VIII, 18 x 1 - 76/50 Mk III/V/VI, 12 x 1 - 47/40-45 Driggs-Schroeder Mk I/II, 8 x 1 - 37/40 Driggs-Schroeder heavy Mk I
Complement	673 - 767

Standard scale images

Graphics

Project history

Authorized under the Act of 7.6.1900. Not considered a good design. The 152mm guns were disposed with one forward and one aft in shields, four in upper deck casemates, and eight in the main deck battery, while 12 of the 76mm were also on the main deck.

Ship protection

102mm main lower belt covered machinery only. Upper 102mm belt covered lower battery. Armoured deck over citadel was 51mm behind the belt at flat part and connected with lower belt edge by 76mm slopes. This deck was 76mm with 76mm slopes at ship ends. 4 152mm guns were protected by shields, others by 102mm upper belt and casemates.

Modernizations

1914 - 1918, all: - 2 x 1 - 152/50, 14 x 1 - 76/50; + 2 x 1 - 76/52 Mk X

Naval service

Milwaukee was stranded off California 13.1.1917 attempting to salve submarine H3. All attempts to salvage her have appeared unsuccessful and later wreck was broken in two in storm in November 1918.