Clemson-class destroyer

USS Clemson (DD-186)
Class overview
Name: Clemson class
Builders: Various
Operators:
Preceded by: Wickes class
Succeeded by: Farragut class
Built: 1918–22
In service: 1919–48
Planned: 162
Completed: 156
Cancelled: 6 (DD-200 to DD-205)
Lost: 20
General characteristics
Type: Destroyer
Displacement:
  • 1,215 tons (normal)
  • 1,308 tons (full load)
Length: 314 ft 4.5 in (95.822 m)
Beam: 30 ft 11.5 in (9.436 m)
Draft: 9 ft 4 in (2.84 m)
Propulsion:
Speed: 35.5 knots (65.7 km/h)
Range:
  • 4,900 nmi (9,100 km)
  •   @ 15 kn (28 km/h)
Crew:
  • 8 officers
  • 8 chief petty officers
  • 106 enlisted
Armament:

The Clemson class was a series of 156 destroyers which served with the United States Navy from after World War I through World War II.

The Clemson-class ships were commissioned by the United States Navy from 1919 to 1922, built by Newport News Shipbuilding & Dry Dock Company, New York Shipbuilding Corporation, William Cramp and Sons, Bethlehem Steel Corporation, Mare Island Naval Shipyard, Norfolk Naval Shipyard and Bath Iron Works, some quite rapidly. The Clemson class was a minor redesign of the Wickes class for greater fuel capacity and was the last pre-World War II class of flush-decker destroyers to be built for the United States. Until the Fletcher-class destroyer, the Clemsons were the most numerous class of destroyers commissioned in the United States Navy and were known colloquially as "flush-deckers", "four-stackers" or "four-pipers".

Design evolution

As finally built, the Clemson class would be a fairly straightforward expansion of the Wickes-class destroyers. While the Wickes class had given good service there was a desire to build a class more tailored towards the anti-submarine role, and as such several design studies were completed, mainly about increasing the ships' range. These designs included a reduction in speed to between 26–28 knots (48–52 km/h; 30–32 mph) by eliminating two boilers, freeing up displacement for depth charges and more fuel. This proposal foreshadowed the destroyer escorts of World War II.[2]

Upgrading the gun armament from 4-inch (102 mm) to 5-inch (127 mm) guns was also considered, but only five ships (DD-231 to DD-235) were armed with 5-inch guns. In addition, the tapered stern of the Wickes-class destroyers resulted in a large turning radius and a correction to this defect was also sought, although this was not corrected in the final design. In the end the General Board decided the 35 knots (65 km/h; 40 mph) speed be retained so as to allow the Clemson class to be used as a fleet escort. The pressing need for destroyers overruled any change that would slow production compared to the proceeding Wickes class. Wing tanks for fuel oil were installed on either side of the ships to increase the operational range.[3] This design choice meant the fuel oil would be stored above the waterline and create additional vulnerability, but the Navy felt a 4,900-nautical-mile (9,100 km; 5,600 mi) range was worth the risk.[3] Additional improvements included provisions for 5-inch guns to be installed at a later date, an enlarged rudder to help reduce the turn radius, and an additional 3-inch (76 mm) anti-aircraft gun on the after deck-house.[4]

The class resulted from a General Board recommendation for further destroyers to combat the submarine threat, culminating in a total of 267 Wickes- and Clemson-class destroyers completed. However, the design of the ships remained optimized for operation with the battleship fleet.[5]

Armament

Overhead view of USS Lamson.

The main armament was the same as the Wickes class: four 4-inch (102 mm)/50 caliber guns and twelve 21-inch (533 mm) torpedo tubes. The Mark 8 torpedo was initially equipped, and probably remained the standard torpedo for this class, as 600 Mark 8 torpedoes were issued to the British in 1940 as part of the Destroyers for Bases Agreement.[6]

Although the design provided for two anti-aircraft (AA) guns, most ships carried a single 3-inch (76 mm)/23 caliber AA gun, typically on the aft deckhouse. A frequent modification was replacing the aft 4-inch gun with the 3-inch gun to make more room for the depth charge tracks.[3] Anti-submarine (ASW) armament was added during or after construction. Typically, two depth charge tracks were provided aft, along with a Y-gun depth charge projector forward of the aft deckhouse.[7]

Despite the provision for 5-inch guns, only seven ships were built with an increased gun armament. USS Hovey and USS Long had twin 4-inch/50 mounts for a total of eight guns, while DD 231–235 had four 5-inch (127 mm)/51 caliber guns in place of the 4-inch guns.

In operation

As with the preceding class, the fleet found that the tapered cruiser stern, which made for a nice depth charge deployment feature, dug into the water and increased the turning radius, thus hampering anti-submarine work.[8][9] While an increased rudder size helped, the answer would be in a redesigned stern, but this was not implemented. They were reported to be prone to heavy rolling in light load conditions.[10] The flush deck gave the hull great strength but this also made the deck very wet.[8][9]

History

The Honda Point Disaster 1923
Seventy-seven "four-stackers" laid up at San Diego in 1924.

Fourteen ships of the class were involved in the Honda Point Disaster (aka Point Pedernales) in 1923, of which seven were lost.

Many never saw wartime service, as a significant number were decommissioned in 1930 and scrapped as part of the London Naval Treaty. About 40 Clemson-class destroyers with Yarrow boilers were scrapped or otherwise disposed of in 1930–31, as these boilers wore out quickly in service. Flush-deckers in reserve were commissioned as replacements.[11] In 1936 only some 169 of the flush deck destroyers would be left, four Caldwell class and the rest Wickes and Clemson class.[12] In 1937 four Clemson class were converted to destroyer minelayers (DM), joining several Wickes-class ships in this role.

Nineteen were transferred to the Royal Navy in 1940 as part of the Destroyers for Bases Agreement, where they became part of the Town class. Others were upgraded or converted to high-speed transports (APD), high-speed minesweepers (DMS), destroyer minelayers (DM), or seaplane tenders (AVD) and served through World War II. Four Wickes-class DM conversions and the four Clemson-class DM conversions survived to serve in World War II.

Clemson-class destroyer (possibly USS Pope) sinking, c.1942.

Most ships remaining in service during World War II were rearmed with dual-purpose 3-inch/50 caliber guns to provide better anti-aircraft protection.[13] The AVD seaplane tender conversions received two guns; the APD high-speed transport, DM minelayer, and DMS minesweeper conversions received three guns, and those retaining destroyer classification received six.[14] Their original low-angle 4-inch/50 caliber guns (Mark 9) were transferred to Defensively Equipped Merchant Ships for anti-submarine protection.[15] For the ships converted to minesweepers, the twelve 21-inch torpedo tubes were replaced by minesweeping gear.[16]

USS Stewart was scuttled at Soerabaja on 2 March 1942, following the surrender of the Dutch East Indies to the Japanese. She was raised, repaired and recommissioned as PB-102 by the Imperial Japanese Navy. She was surrendered to the US Navy following the end of World War II. In addition, 17 Clemson-class destroyers were lost during the war.

The wrecks of two Clemson-class destroyers remain in the San Francisco Bay area, USS Corry a few miles north of Mare Island Navy Yard on the Napa River, and USS Thompson in the southern part of the Bay, used as a bombing target in World War II.[17]

See also

Notes

  1. 1 2 Thomas, Donald I., CAPT USN "Recommissioning Destroyers, 1939 Style" United States Naval Institute Proceedings September 1979 p.71
  2. ↑ Friedman, pp. 42–44
  3. 1 2 3 Friedman, p. 44
  4. ↑ Friedman, pp. 44–45
  5. ↑ Friedman, p. 40
  6. ↑ "Torpedo History: Torpedo Mk8". Retrieved 29 Dec 2013.
  7. ↑ Friedman, p. 45
  8. 1 2 Friedman, p.46
  9. 1 2 http://www.destroyerhistory.org/flushdeck/wickesclass.html
  10. ↑ Friedman, p.45
  11. ↑ DestroyerHistory.org Flush-decker page, retrieved 16 Oct 2013
  12. ↑ Friedman, p.49
  13. ↑ Morrison 1962 p.39
  14. ↑ Silverstone 1968 pp. 112, 212, 215, 276, 303
  15. ↑ Campbell 1985 p.143
  16. ↑ Dictionary of American Naval Fighting Ships (public domain)
  17. ↑ DestroyerHistory.org Flush-deckers today page, retrieved 16 Oct 2013

References

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