Summary
The Aylwin class was a class of four destroyers in the United States Navy; all served as convoy escorts during World War I. The Aylwins were the second of five "second-generation" 1000-ton four-stack destroyer classes that were front-line ships of the Navy until the 1920s. They were known as "thousand tonners". All were scrapped in 1935 to comply with the London Naval Treaty.[1]
 USS Aylwin circa 1916–17
| |
| Class overview | |
|---|---|
| Name | Aylwin class |
| Builders | William Cramp & Sons, Philadelphia |
| Operators |  United States Navy |
| Preceded by | Cassin class |
| Succeeded by | O'Brien class |
| Built | 1912–14 |
| In commission | 1913–22 |
| Completed | 4 |
| Retired | 4 |
| General characteristics | |
| Type | Destroyer |
| Displacement |
|
| Length | 305 ft 3 in (93.04 m) |
| Beam | 30 ft 4 in (9.25 m) |
| Draft | 9 ft 5 in (2.87 m) |
| Installed power |
|
| Propulsion | 2 × shafts |
| Speed | 29.6 kn (54.8 km/h; 34.1 mph) (trials) |
| Capacity | 307 tons oil (fuel) |
| Complement |
|
| Armament |
|
All four ships were built by William Cramp & Sons in Philadelphia.[2]
These ships were built concurrently with the Cassin class and in some references are considered to be in that class. In design and armament they were essentially repeats of the Cassin class.[1]
Design edit
Unlike the other "thousand tonner" classes, the Aylwins were not a significant improvement on the previous class.[1]
Armament edit
They retained the Cassins' armament of four 4-inch (102 mm)/50 caliber Mark 9 guns and eight 18-inch (450 mm) torpedo tubes in twin broadside mounts. Compared with the previous Paulding class of the "flivver" type, the increased gun armament reflected the increasing size of foreign destroyers they might have to fight. The broadside (two twin mounts each side) torpedo armament reflected the General Board's desire to have some torpedoes remaining after firing a broadside.[3] The class was probably equipped with one or two depth charge racks each for anti-submarine convoy escort missions in World War I.[4] Benham was equipped with four twin 4-inch mounts in 1917, but these were replaced with single mounts before she deployed overseas. By 1929 all except Parker had a 3-inch (76 mm)/23 caliber anti-aircraft gun added.[2]
Engineering edit
The ships were equipped with four White-Forster boilers supplying steam to two Cramp direct-drive steam turbines driving two shafts for 16,000 shp (12,000 kW) as designed; all of the class exceeded this on trials.[5] Compound steam engines could be clutched to the shafts for economical medium-speed cruising.[1] Aylwin achieved 29.6 knots (54.8 km/h; 34.1 mph) on trials at 16,286 shp (12,144 kW); this was typical for the others of the class. Normal fuel oil capacity was 307 tons.[5]
Ships in class edit
| Name | Hull no. | Shipyard | Laid down | Launched | Commissioned | Decommissioned | Fate |
|---|---|---|---|---|---|---|---|
| Aylwin | DD-47 | William Cramp & Sons, Philadelphia | 7 March 1912 | 23 November 1912 | 17 January 1914 | 23 February 1921 | Scrapped 1935 |
| Parker | DD-48 | William Cramp & Sons | 11 March 1912 | 8 February 1913 | 30 December 1913 | 6 June 1922 | Scrapped 1935 |
| Benham | DD-49 | William Cramp & Sons | 14 March 1912 | 22 March 1913 | 20 Jan 1914 | 7 July 1922 | Scrapped 1935 |
| Balch | DD-50 | William Cramp & Sons | 7 May 1912 | 21 December 1912 | 26 March 1914 | 20 June 1922 | Scrapped 1935 |
See also edit
References edit
- This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.
Bibliography edit
- Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775–1990: Major Combatants. Westport, Connecticut: Greenwood Press. ISBN 0-313-26202-0.
- Friedman, Norman (2004). US Destroyers: An Illustrated Design History (Revised ed.). Annapolis: Naval Institute Press. ISBN 1-55750-442-3.
- Gardiner, Robert; Gray, Randal (1985). Conway's All the World's Fighting Ships 1906-1921. London: Conway Maritime Press. ISBN 0-85177-245-5.
- Jane's Fighting Ships of World War I. London: Random House Group, Ltd. 2001. ISBN 1-85170-378-0.
- Silverstone, Paul H. (1970). U.S. Warships of World War I. London: Ian Allan. ISBN 0-71100-095-6.
External links edit
- Tin Can Sailors @ Destroyers.org - Aylwin-class destroyer
- DestroyerHistory.org Aylwin class page
- DestroyerHistory.org Thousand Tonner page
- NavSource Destroyer Photo Index Page
- DiGiulian, Tony Navweaps.com 4"/50 Mks 7, 8, 9, and 10
- DiGiulian, Tony Navweaps.com Pre-WWII US Torpedoes
- US Navy Torpedo History, part 2 Archived 2014-09-15 at the Wayback Machine