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USS ARD-1

释义

Background and design
USS ARD-1 World War 2
Post War
References

{{short description|WWII American auxiliary repair dock}}{{Infobox ship image

Ship image=File:USSARD1undertowUSSBridgeAF1PanamaCanal28October1934.jpg

Ship caption=USS ARD-1 under tow by USS Bridge 28 October 1934.
}}{{Infobox ship career

Ship country=United States

1946}}

Ship name=USS ARD-1

Ship builder=Pacific Bridge Company

Ship laid down= 1933

Ship launched= September 1934

Ship commissioned= 19 December 1935

Ship decommissioned=
}}{{Infobox ship characteristics

ARD-1|auxiliary repair dock}}

Ship displacement=2,200 tons (light)

393|ft|6|in|abbr=on}}

Ship beam=

Ship draft=

Ship propulsion=none, towed

Ship speed=

Ship complement=131

Ship armament=

Ship notes= First ARD - Auxiliary Repair Dock
}}

USS ARD-1 was an auxiliary repair dock serving with the United States Navy during World War II as Auxiliary floating drydock. ARD-1 was built by the Pacific Bridge Company and completed in September 1934. ARD-1 was commissioned at Alameda, California on 19 December 1935 then towed to San Diego, California. ARD-1 was the first in her class of self-sustaining, ship hull shape ship repair docks. ARD-1 was able to repair ships in a Naval fleet in remote locations. Lieutenant commander Charles M. Johnson was the first in command of ARD-1.

Background and design

USS ARD-1 was the third steel floating drydock built for the US Navy. The first was the YFD-2 built in 1901 and the other USS Dewey built in 1905. While these two floating drydock worked very well, they proved to be not very mobile. Both proved to be difficult tow, as both had no bow to cut though waves. A new design was needed, or as it turned out an older design made new. In the past wood ships hulls with no interior were used to drydock smaller ship that could fit into the drydock ship. This design, but with a steel ship hull was needed. The repair dock would have new modern steel ballast pontoons tanks that could be flooded with water to submerge the dock or pumped dry to raise a ship in need of repair. Between 1920 and 1930, the US Navy Bureau of Yards and Docks made numerous studies of various types of mobile docks of both signal unit and sectional types. The best was a one-piece dock, ship-shaped in form, with a molded closed bow and a stern that could be opened or closed. The stern could be closed with bottom-hinged flap gate, that was operated by hydraulic rams. This stern gate could lowered for ship entrance into the submerged dock and then closed to keep out wave. ARD-1 did not need a completely calm bay to operate. The new ARD-1 would be self-sustaining and have a rudder to help in tow moving, making ARD-1 very mobile. The ARD was raised by pumping water out of the ballast compartments and the main ship basin. ARDs would be equipped with a diesel-electric power plant, a pumping plant, repair shops, and crew's accommodations. ARD-1 was the first drydock that was self-sustaining enough to join a fleet into remote waters. ARD-1 could lift ships of up to 2200 tons, thus repair small crafts, tugs, small destroyers and small submarines. The design was so good that 30 ARDs docks where built most completed between 1942 and 1944. The need to repair large ship and subs meant the following ARDs were designed somewhat larger. Other improvements also were made from what was learned from ARD-1. ARDs were deployed throughout the world during the World War 2.

^[1]^[2]^[3]

USS ARD-1 World War 2

ARD-1 was towed to the Naval Base San Diego for testing in 1936. There one of ships repaired was the USS Aylwin (DD-355) a 1,375 tons {{convert|341|ft|3|in|m|abbr=on}} long Farragut-class destroyer was repaired in 1938.^[4] The ARD-1 was next towed to Pearl Harbor, there ARD-1 demonstrating its effectiveness.

A few of the ships repaired in ARD-1:

USS Pyro (AE-24) a Nitro-class ammunition ship was repaired.
USS Monssen (DD-436) (DD-436)repaired on 31 March 1942
USS Safeguard (ARS-25) was repaired.
USS Spectacle (AM-305) was repaired after kamikaze attack on 22 May 1945. ARD-1 was taken to a forward Naval base at Kerama Retto, Okinawa Island to repair the many ships damaged by kamikaze attacks. ARD-1 made many temporarily repairs to get ships back into action. Many other ARDs joined ARD-1 in this important task. This minimized the time ships were out of action for repairs.^[5]^[6]^[7]^[8]

Post War

On 21 October 1946 ARD-1 was decommission and move back to the states. In 1950s ARD-1 was towed to the Portsmouth Naval Shipyard near the city of Portsmouth, New Hampshire and used for the repairing of small submarines.^[9]

References

1. ^Popular Science Feb 1937, page 43
2. ^[https://www.ibiblio.org/hyperwar/USN/Building_Bases/bases-9.html HyperWar: US navy, Building the Navy's Bases in World War II Chapter IX Floating Drydocks, page 209]
3. ^The Pacific War Online Encyclopedia, Floating Dry Docks
4. ^Aylwin (DD-355)
5. ^[https://www.ibiblio.org/hyperwar/USN/ships/danfs/AM/am305.html USN, USS Spectacle (AM-305)]
6. ^Bureau of Ships Journal, Volume 1, May 1953, page 4.
7. ^[https://sites.rootsweb.com/~chute/service.htm rootsweb.com, Wayne Loyd Chute]
8. ^navsource, USS ARD-1
9. ^Bureau of Ships Journal, Volume 1, May 1953, page 5.

4 : Ships built in Alameda, California|1934 ships|World War II auxiliary ships of the United States|Floating drydocks of the United States Navy

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