USS Vesuvius (1888)

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USS Vesuvius
Career 100x35px
Name: USS Vesuvius
Namesake: Mount Vesuvius
Ordered: 3 August 1886[1]
Builder: William Cramp and Sons, Philadelphia
Laid down: September 1887
Launched: 28 April 1888
Commissioned: 2 June 1890
Decommissioned: 21 October 1921
Struck: 21 April 1922
Fate: Sold for scrapping
General characteristics
Type: Dynamite gun cruiser
Displacement: 930 long tons (945 t)
Length: 252 ft 3 in (76.89 m)
Beam: 26 ft 4 in (8.03 m)
Draft: 9 ft (2.7 m)
Propulsion: 2 × 2,183 hp (1,628 kW) 4-cylinder triple-expansion steam engines[1]
Speed: 21 knots (39 km/h; 24 mph)
Complement: 70 officers and enlisted
Armament: • 3 × 15 in (380 mm) pneumatic guns
• 3 × 3-pounder guns

USS Vesuvius, the third ship of the United States Navy named for the Italian volcano, was a unique vessel in the Navy inventory which marked a departure from more conventional forms of main battery armament. She is considered a dynamite gun cruiser.

Vesuvius was laid down in September 1887 at Philadelphia, Pennsylvania, by William Cramp and Sons Ships and Engine Building Company, subcontracted from the Pneumatic Dynamite Gun Company of New York City. She was launched on 28 April 1888 sponsored by Miss Eleanor Breckinridge and commissioned on 2 June 1890 at the Philadelphia Navy Yard with Lieutenant Seaton Schroeder in command.

Dynamite guns

Vesuvius carried three 15-inch (38-cm) cast iron pneumatic guns, mounted forward side-by-side at a fixed elevation of 16 degrees. Gun barrels were 55 feet (17 meters) long with the muzzles 15 feet (4.6 meters) above the deck 37 feet (11 meters) abaft the bow. In order to train these weapons, the ship had to be aimed, like a gun, at its target. Compressed air from a 1000 psi (70 atm) reservoir projected the shells from the "dynamite guns." Two air compressors were available to recharge the reservoir.[1]

The shells fired from the guns were steel or brass casings 7 feet (2 meters) long with the explosive contained in the conical forward part of the casing and spiral vanes on the after part to rotate the projectile. The explosive used in the shells themselves was actually a "desensitized blasting gelatin" composed of nitrocellulose and nitroglycerine. It was less sensitive to shock than regular dynamite but still sensitive enough that compressed air, rather than powder, had to be utilized as the propellant. Shells containing 550 pounds (250 kg) of explosive had a maximum range of 1 mile (1.6 km), but range could be extended to 4000 yards (3.7 km) by reducing projectile weight to 200 pounds (100 kg). Maximum muzzle velocity was 800 feet (250 meters) per second. Range could be reduced by releasing less compressed air from the reservoir. Ten shells per gun were carried on board, and 15 shells were fired in 16 minutes 50 seconds during an 1889 test. The shells employed an electronic fuze which could be set to either explode on contact or delayed to explode underwater.[1]

Service history

Shakedown cruise

Vesuvius sailed for New York shortly after commissioning and then joined the Fleet at Gardiner's Bay, New York, on 1 October 1890. She operated off the east coast with the North Atlantic Squadron into 1895. Highlights of this tour of duty included numerous port visits and participation in local observances of holidays and festivals, as well as gunnery practice and exercises. Experience showed that the ship's unique main battery had two major drawbacks: first, the range was too short; second, the method of aiming was crude and inaccurate.

Spanish-American War

Decommissioned on 25 April 1895 for major repairs, Vesuvius re-entered service on 12 January 1897 with Lieutenant Commander John E. Pillsbury in command. The ship got underway from Philadelphia Navy Yard, bound for Florida, and operated off the east coast through the spring of the following year, 1898. By this time, American relations with Spain were worsening. The American Fleet gathered in Florida waters, and Vesuvius hurried south from Newport, Rhode Island, and arrived at Key West, Florida, on 13 May. She remained there until 28 May, when she headed for blockade duty in Cuban coastal waters. Vesuvius performed special duties at the discretion of the Fleet Commander in Chief and served as a dispatch vessel between Cuba and Florida into July of 1898.

On 13 June, Vesuvius conducted the first of eight shore bombardment missions against Santiago, Cuba. The cruiser stealthily closed the shore under cover of darkness, loosed a few rounds of her 15-inch dynamite charges, and then retired to sea. Psychologically, Vesuvius's bombardment caused great anxiety among the Spanish forces ashore, for her devastating shells came in without warning, unaccompanied by the roar of gunfire usually associated with a bombardment. Admiral Sampson wrote accordingly, that Vesuvius bombardments had "great effect." Although the dynamite guns were relatively quiet, detonation of their large high explosive shells sounded different than contemporary gunpowder-filled artillery shells; and soldiers observed the explosions "made holes like the cellar of a country house."[1]

Post-war conversion

After hostilities with Spain ended later that summer, Vesuvius sailed north and called at Charleston, South Carolina, New York, and Newport, before reaching Boston, Massachusetts. Taken out of active service on 16 September 1898, Vesuvius remained at the Boston Navy Yard until 1904, when she began conversion to a torpedo-testing vessel. Vesuvius lost her unique main battery and acquired four torpedo tubes — three 18-inch and one 21-inch. Recommissioned on 21 June 1905, Vesuvius soon sailed for the Naval Torpedo Station to begin her new career.

She conducted torpedo experiments at the station for two years until decommissioned on 27 November 1907 for repairs. Recommissioned again on 14 February 1910, Vesuvius remained at Newport for the next 11 years, on occasion serving as station ship, into 1921. She was decommissioned and ordered appraised for sale on 21 April 1922 to J. Lipsitz and Company of Chelsea, Massachusetts.


  1. 1.0 1.1 1.2 1.3 1.4 University of New Mexico NROTC Sun Line Vol.II No.3 March 1964

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