USS Pennsylvania (ACR-4)

USS *Pennsylvania* (ACR-4)
	Tinted postcard of USS Pennsylvania, from around 1905–1908.
History
United States
Name	Nebraska (1900–1901); Pennsylvania (1901–1912); Pittsburgh (1912–1931);
Namesake	Commonwealth of Pennsylvania; City of Pittsburgh, Pennsylvania;
Ordered	3 March 1899
Awarded	10 January 1901
Builder	William Cramp & Sons, Philadelphia, Pennsylvania
Cost	$3,890,000 (contract price of hull and machinery)
Yard number	317
Laid down	7 August 1901
Launched	22 August 1903
Sponsored by	Miss Coral Quay
Commissioned	9 March 1905
Renamed	Pennsylvania, 7 March 1901; Pittsburgh, 27 August 1912;
Reclassified	CA-4, 17 July 1920
Decommissioned	15 October 1921
Recommissioned	2 October 1922
Decommissioned	10 July 1931
Stricken	26 October 1931
Identification	Hull symbol: ACR-4 (1905–1920)–; Hull symbol: CA-4 (1920–1931);
Fate	Sold for scrap 21 December 1931
General characteristics (as built)
Class & type	Pennsylvania-class armored cruiser
Displacement	13,680 long tons (13,900 t) (standard)
Length	504 ft (154 m) oa; 502 ft (153 m) pp;
Beam	69 ft 6 in (21.18 m)
Draft	24 ft 1 in (7.34 m) (mean)
Installed power	32 × Niclausse boilers; 23,000 ihp (17,000 kW);
Propulsion	2 × vertical triple expansion reciprocating engines; 2 × screws;
Speed	22 kn (41 km/h; 25 mph); 22.44 kn (41.56 km/h; 25.82 mph) (Speed on Trial);
Complement	80 officers 745 enlisted 64 Marines
Armament	4 × 8 in (203 mm)/40 caliber Mark 5 breech-loading rifles (BL)(2×2); 14 × 6 in (152 mm)/50 cal Mark 6 BL rifles; 18 × 3 in (76 mm)/50 cal rapid-fire guns; 12 × 3-pounder (47 mm (1.9 in)) Driggs-Schroeder guns; 2 × 1-pounder (37 mm (1.5 in)) Driggs-Schroeder saluting guns; 2 × 18 inch (450 mm) torpedo tubes;
Armor	Belt: 6 in (152 mm) (top & waterline); 5 in (127 mm) (bottom); Deck: 1+1⁄2 in (38 mm) - 6 in (amidships); 4 in (102 mm) (forward & aft); Barbettes: 6 in; Turrets: 6 - 6+1⁄2 in (165 mm); Conning Tower: 9 in (229 mm);
General characteristics (Pre-1911 Refit)
Installed power	8 × Modified Niclausse boilers, 12 × Babcock & Wilcox boilers
Armament	4 × 8 in/45 cal Mark 6 BL rifles (2×2); 14 × 6 in/50 cal Mark 6 BL rifles; 18 × 3 in/50 cal rapid-fire guns; 4 × 3-pounder (47 mm) Driggs-Schroeder saluting guns; 2 × 18 in torpedo tubes;
General characteristics (Pre-1921 Refit)
Armament	4 × 8 in/45 cal Mark 6 BL rifles (2×2); 14 × 6 in/50 cal Mark 6 BL rifles; 10 × 3 in/50 cal rapid-fire guns; 2 × 3 in/50 caliber anti-aircraft guns; 4 × 3-pounder (47 mm) Driggs-Schroeder saluting guns; 2 × 18 in torpedo tubes;

The second USS Pennsylvania (ACR/CA-4), also referred to as Armored Cruiser No. 4, and later renamed Pittsburgh, was a United States Navy armored cruiser, the lead ship of her class. She was originally assigned the name Nebraska but was renamed Pennsylvania on 7 March 1901.

History
Tinted postcard of USS Pennsylvania, from around 1905–1908.
United States
Name	Nebraska (1900–1901) Pennsylvania (1901–1912) Pittsburgh (1912–1931)
Namesake	Commonwealth of Pennsylvania City of Pittsburgh, Pennsylvania
Ordered	3 March 1899
Awarded	10 January 1901
Builder	William Cramp & Sons, Philadelphia, Pennsylvania
Cost	$3,890,000 (contract price of hull and machinery)
Yard number	317
Laid down	7 August 1901
Launched	22 August 1903
Sponsored by	Miss Coral Quay
Commissioned	9 March 1905
Renamed	Pennsylvania, 7 March 1901 Pittsburgh, 27 August 1912
Reclassified	CA-4, 17 July 1920
Decommissioned	15 October 1921
Recommissioned	2 October 1922
Decommissioned	10 July 1931
Stricken	26 October 1931
Identification	Hull symbol: ACR-4 (1905–1920)– Hull symbol: CA-4 (1920–1931)
Fate	Sold for scrap 21 December 1931
General characteristics (as built)
Class & type	Pennsylvania-class armored cruiser
Displacement	13,680 long tons (13,900 t) (standard)
Length	504 ft (154 m) oa 502 ft (153 m) pp
Beam	69 ft 6 in (21.18 m)
Draft	24 ft 1 in (7.34 m) (mean)
Installed power	32 × Niclausse boilers 23,000 ihp (17,000 kW)
Propulsion	2 × vertical triple expansion reciprocating engines 2 × screws
Speed	22 kn (41 km/h; 25 mph) 22.44 kn (41.56 km/h; 25.82 mph) (Speed on Trial)
Complement	80 officers 745 enlisted 64 Marines
Armament	4 × 8 in (203 mm)/40 caliber Mark 5 breech-loading rifles (BL)(2×2) 14 × 6 in (152 mm)/50 cal Mark 6 BL rifles 18 × 3 in (76 mm)/50 cal rapid-fire guns 12 × 3-pounder (47 mm (1.9 in)) Driggs-Schroeder guns 2 × 1-pounder (37 mm (1.5 in)) Driggs-Schroeder saluting guns 2 × 18 inch (450 mm) torpedo tubes
Armor	Belt: 6 in (152 mm) (top & waterline) 5 in (127 mm) (bottom) Deck: 1+1⁄2 in (38 mm) - 6 in (amidships) 4 in (102 mm) (forward & aft) Barbettes: 6 in Turrets: 6 - 6+1⁄2 in (165 mm) Conning Tower: 9 in (229 mm)
General characteristics (Pre-1911 Refit)
Installed power	8 × Modified Niclausse boilers, 12 × Babcock & Wilcox boilers
Armament	4 × 8 in/45 cal Mark 6 BL rifles (2×2) 14 × 6 in/50 cal Mark 6 BL rifles 18 × 3 in/50 cal rapid-fire guns 4 × 3-pounder (47 mm) Driggs-Schroeder saluting guns 2 × 18 in torpedo tubes
General characteristics (Pre-1921 Refit)
Armament	4 × 8 in/45 cal Mark 6 BL rifles (2×2) 14 × 6 in/50 cal Mark 6 BL rifles 10 × 3 in/50 cal rapid-fire guns 2 × 3 in/50 caliber anti-aircraft guns 4 × 3-pounder (47 mm) Driggs-Schroeder saluting guns 2 × 18 in torpedo tubes