USS Philadelphia (C-4)
Protected steel cruiser USS Philadelphia
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| History | |
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 United States
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| Name: | Philadelphia |
| Namesake: | Philadelphia, Pennsylvania |
| Builder: | William Cramp and Sons, Philadelphia, Pennsylvania |
| Laid down: | 22 March 1888 |
| Launched: | 7 September 1889 |
| Sponsored by: | Miss Minnie Wanamaker, daughter of merchant and philanthropist John Wanamaker |
| Commissioned: | 28 July 1890 |
| Decommissioned: | 22 September 1902 |
| Notes: | housed over as receiving ship 1904 |
| Reclassified: | Receiving ship, 12 May 1904 |
| Reclassified: | Prison ship, 4 November 1912 |
| Reclassified: | Receiving Ship, 19 January 1916 |
| Reclassified: | IX-24, 17 July 1920 |
| Struck: | 24 November 1926 |
| Identification: |
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| Fate: | Sold, 1927 |
| General characteristics (as built) | |
| Type: | Protected cruiser |
| Displacement: |
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| Length: | |
| Beam: | 48 ft 6 in (14.78 m) |
| Draft: |
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| Installed power: |
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| Propulsion: | 2 × screws |
| Speed: | |
| Range: | 6,354 nmi (11,768 km; 7,312 mi) at 10 kn (19 km/h; 12 mph) |
| Complement: | 384 officers and enlisted |
| Armament: | |
| Armor: |
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| General characteristics (1914) | |
| Installed power: | |
| Complement: | 187 enlisted men |
| Armament: | all armaments removed |
| Notes: | ship listed as "Unservicable for War Purposes" |
The fourth USS Philadelphia (C-4) (later IX-24) was the sixth protected cruiser of the United States Navy. Although designed by the Navy Department, her hull was similar to the preceding British-designed Baltimore, but Philadelphia had a uniform main armament of twelve 6-inch guns.
She was laid down 22 March 1888 by William Cramp and Sons, Philadelphia, launched 7 September 1889, sponsored by Miss Minnie Wanamaker, daughter of merchant and philanthropist John Wanamaker; and commissioned 28 July 1890, Capt. Albert S. Barker in command.
Philadelphia was built to Navy Department plans, with twelve 6 inch (152 mm)/30 caliber guns. Two guns each were on the bow and stern, with the remainder in sponsons along the sides. Secondary armament was four 6-pounder (57 mm (2.2 in)) guns, four 3-pounder (47 mm (1.85 in)) Hotchkiss revolving cannon, two 1-pounder (37 mm (1.5 in)) Hotchkiss revolving cannon, and two .45 caliber (11.4 mm) Gatling guns. Some of the weapons listed as Hotchkiss revolving cannon may actually have been rapid-firing guns. Four 14-inch (356 mm) torpedo tubes were included in the design but never mounted.
References vary as to the ship's armor. Philadelphia probably had 3 in (76 mm) gun shields and a 3 in (76 mm) conning tower. The armored deck was up to 4 in (100 mm) thick.
The engineering plant included an unusual mix of boilers: four Scotch return-tube double-ended, one single-ended, and four locomotive boilers. These produced 160 psi (1,100 kPa) steam for two horizontal triple expansion engines totaling 10,500 ihp (7,800 kW) (designed) for a designed speed of 19 knots (35 km/h; 22 mph). This speed was attained on trials but the trial horsepower was only 8,814 ihp (6,573 kW). As with other contemporary Navy Department designs, sails were fitted but soon removed. Philadelphia carried 525 tons of coal for a designed range of 6,354 nmi (11,768 km; 7,312 mi) at 10 kn (19 km/h; 12 mph).
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