Английская Википедия:Auxiliary floating drydock

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Шаблон:Short description

Файл:USS Artisan ABSD-1 01.jpg
USS Artisan (ABSD-1) with Шаблон:USS and LST-120 in the dock at Espiritu Santo, New Hebrides Islands, 8 January 1945
Файл:USS Los Alamos (AFDB-7).JPEG
Шаблон:Ship, with a repaired submarine at Holy Loch, Scotland in 1985
Файл:YFD-2 arriving Pearl Harbor Oct 1940.jpg
YFD-2 The first Yard Floating Dock built in 1901, arriving Pearl Harbor 23 October 1940 from New Orleans Naval Yard
Файл:USS Pennsylvania (ACR-4) in Drydock Dewey.jpg
USS Pennsylvania in drydock USS Dewey, the second YFD, c. 1906–1907

An auxiliary floating drydock is a type of US Navy auxiliary floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repair below the water line. Water is then pumped out of the floating dry dock, raising the ship out of the water. The ship becomes blocked on the deck of the floating dry dock for repair. Most floating dry docks have no engine and are towed by tugboats to their destinations. Floating dry docks come in different sizes to accommodate varying ship sizes, while large floating dry docks come in sections and can be combined to increase their size and lift power. Ballast pontoon tanks are flooded with water to submerge or pumped dry to raise the ship.[1][2]

World War II

At the start of World War II, the US Navy had only three steel auxiliary floating dry docks: Шаблон:Ordered list To reduce travel time for repair work, over 150 auxiliary floating dry docks of different sizes were built during World War II between 1942 and 1945. These newly built floating dry docks had a lift capacity of 400 to 100,000 tons. Without these forward repair bases, ships would have had to return to the US for repairs. Between 1 October 1944 and 17 October 1945, 7,000 ships were repaired in auxiliary floating dry docks. After World War II some auxiliary floating dry docks were sold for private use and others were scrapped. In addition to auxiliary floating dry docks, timber floating dry docks were built for use in World War II. Timber floating dry docks had a lift capacity of 400 to 20,000 tons. They were not towed across the open ocean and were not given a US Navy class.[3][2]

Role

During wartime, ships in continuous use need repair both from wear and from war damage such as from naval mines, kamikaze attacks, dive bombs and torpedoes. Rudders and propellers are best serviced on dry docks. Without remote on-location dry docks, months could be lost if a ship returned to a home port for repair. Most auxiliary floating drydocks had provisions for the repair crew, including bunk beds, meals, and laundry. Most had power stations, ballast pumps, repair shops, machine shops, and mess halls to be self-sustaining. Some auxiliary floating drydocks also had provisions for the ship under repair, but when possible, the crew of the damaged ship remained on ship while repairs were done. Many had cranes able to lift tons of material and parts to remove damaged parts and to install new parts.[4][2]

Armament

Most auxiliary floating drydocks had only anti-aircraft guns for defense, as space would not allow for large guns. Typical armaments included 40 mm and 20 mm machine guns. Japanese pilots sometimes mistook empty auxiliary floating drydocks for aircraft carriers.[5][2]

Large Auxiliary Floating Dry Docks (AFDB)

Файл:USSAFDB-3 USSABSD-3.jpg
USS AFDB-3 with rail traveling 15-ton crane

Auxiliary Floating Docks, Big (AFDB), also known as Advance Base Sectional Docks (ABSD), came in sections, 93 ft long and 3,850 tons each. Each section had a 165-ft beam, a 75-ft molded depth, and 10,000 tons of lifting capacity. Sections could be put together to lift larger ships. AFDB were needed to repair battleships, aircraft carriers, cruisers, and large auxiliary ships. The AFDB-1 Artisan had 10 sections (A to J) for a total lift of 100,000 tons, and was 1,000 ft long with all 10 sections installed. AFDB-1 to 7 were built between 1943 and 1945 and towed to remote navy bases. An AFDB would have a crew of 600 to 1,000 men, a fresh-water distilling plant and was otherwise self-sustaining. They had a rail traveling 15-ton capacity crane with an 85-foot radius and two or more support barges. To pump water from the tanks, there were two 24-in discharge pumps on each section, each pump rated 15,000 gpm. For electricity, there were two 350-kw diesel AC generators on each section, producing 440 volts 3-phase 60-cycle power. AFDBs had steam plants to run the pumps. Each section could store 65,000 gallons of fuel oil to supply the ships under repair. Crew lived in barracks ships, called APL, that docked next to the AFDB.[3][6][2][7]

Post WW2

Medium Auxiliary Floating Dry Docks (AFDM)

Файл:AFDM-8 Richland.jpg
Шаблон:USS
Файл:AFDM3centersectionlaterYFD-6floatedPanamaCanal.jpg
YFD-6 center section floated through the Panama Canal on its side. Towed by USS Alarka (YTB-229) (center) and USS Umpqua (ATA-209) (left) in 1945. Navy SeaBees turned it on its side with many pontoons to fit through the canal

AFDM are from 6,800 to 8,000 tons and are from 528 to 622 feet long. An AFDM has a crew of 140 to 200 men. An AFDM had a lift capacity 18,000 tons and was armed with two 40 mm and four 20 mm guns. It also had two Шаблон:Fraction-ton cranes with 16 ballast tank compartments. AFDMs were built in three pieces, a long center section and two shorter sections, one at each end.[3][16][2][17] All AFDM also had Yard Floating Docks (YFD) class numbers.

Medium Auxiliary Repair Docks (ARDM)

Файл:OAKRIDGE CGY.jpg
Шаблон:USS

Auxiliary repair dock Mobile (ARDM) are 5,200 tons and 489 feet long. ARDs had a ship form hull and lifting capacity of 3,500 tons. ARDMs were used to repair destroyers, submarines, and small auxiliaries. ARDMs had a crew of 130 to 160 men.[3][2]

Post WW2

Small Auxiliary Floating Dry Docks (AFD - AFDL)

Файл:US Navy 061102-N-4238B-036 The crew of the auxiliary floating dry dock Dynamic (AFDL 6) prepares for an incoming craft.jpg
USS Dynamic (AFD-6) at Virginia Beach, Va. on Nov. 2, 2006

Auxiliary Floating Docks, Light (AFDL), also known as Auxiliary Floating Docks (AFD), were 288 ft long, had a beam of 64 ft (20 m), and draft of 3 ft 3 in (0.99 m) empty and 31 ft 4 in (9.55 m) flooded to load a ship. A normal crew was 60 men. AFDL displacement was 1,200 tons and could lift 1,900 tons. AFDL were built as one piece, open at both ends. AFDL were used to repair small craft, PT boats and small submarines. All AFD were reclassified AFDL after the war in 1946.[3][28][29]

Файл:USS Adept (AFD-23).jpg
Шаблон:USS
  • USS Endeavor AFD-1/AFDL-1 By Chicago Bridge
  • USS AFD-2 By Chicago Bridge[30]
  • USS AFD-3/AFDL-3 By Chicago Bridge[31]
  • USS AFD-4/AFDL-4 By Chicago Bridge[32]
  • USS AFD-5/AFDL-5 By Chicago Bridge[33]
  • USS Dynamic (AFD-6)/AFDL-6 By Chicago Bridge[34]
  • USS Ability (AFD-7)/AFDL-7 By Chicago Bridge[35]
  • USS AFD-8/AFDL-8 By Chicago Bridge[36]
  • USS AFD-9/AFDL-9 By Chicago Bridge, stationed at Naval Base Noumea[37]
  • USS AFD-10/AFDL-10 By Chicago Bridge[38]
  • USS AFD-11/AFDL-11 By Chicago Bridge[39]
  • USS AFD-12/AFDL-12[40]
  • USS AFD-13/AFDL-13 Typhoon Ida Sank off of Okinawa, Japan on 16 September 1945.[41]
  • USS AFD-14/AFDL-14 served Espiritu Santo.[42]
  • USS AFD-15/AFDL-15 served at Enewetak Atoll[43]
  • USS AFD-16/AFDL-16[44]
  • USS AFD-17/AFDL-17 served at Kwajalein Atoll[45]
  • USS AFD-18/AFDL-18
  • USS AFD-19/AFDL-19 By The Auchter Company served in Dunstaffnage a Scottish village, sold moved to Jacksonville, Florida[46]
  • USS AFD-20/AFDL-20 By Auchter Company served American Samoa[47]
  • USS AFD-21/AFDL-21 By Auchter Company[48]
  • USS AFD-22/AFDL-22 By Auchter Company[49]
  • USS Adept (AFD-23)/AFDL-23 Auchter Company[50]
  • USS AFD-24/AFDL-24 By Doullot & Ewin in Mobile, Alabama[51]
  • USS AFD-25/AFDL-25 By Doullot & Ewin[52]
  • USS AFD-26/AFDL-26 By Doullot & Ewin[53]
  • USS AFD-27/AFDL-27 By Doullot & Ewin
  • USS AFD-28/AFDL-28 By Doullot & Ewin[54]
  • USS AFD-29/AFDL – AFDL-29 By Doullot & Ewin[55]
  • USS AFD-30/AFDL-30 By Foundation Co. Scrapped in 1979.[56]
  • USS AFD-31/AFDL-31 By Foundation Co. Later YFD 83. To US Coast Guard 1947. After war moved to Singapore.[57]
  • USS AFD-32/AFDL-32 By Foundation Co.
  • USS AFD-33/AFDL-33 By Foundation Co. To Peru 1959 as AFD 106. Active.
  • For AFDL-34 to AFDL-46 see: Auxiliary Repair Dock, Concrete

Auxiliary Repair Docks (ARD)

Файл:USSARD1undertowUSSBridgeAF1PanamaCanal28October1934.jpg
USS ARD-1 under tow by USS Bridge 28 October 1934
Файл:USS Waterford.jpg
Шаблон:USS
Файл:ARD6DutchHarborAK S46.jpg
ARD-6 submerged at Dutch Harbor, Alaska with Sub USS S-46 for repair 1944

Auxiliary Repair Docks were built by Pacific Bridge Company in Alameda, California. ARD are 483 ft long, have a beam of 71 ft, a draft of 5 ft, and a displacement of 4,800 tons. The crew complement is 6 officers and 125 enlisted. ARD have an armament of two single Oerlikon 20 mm cannons, a bow and are sea worthy. They are self-sustaining with rudders to help in tow moving and have two cranes with a five-ton capacity. ARD also have a stowage barge for extra space. They were used to repair destroyers and submarines. Class 2 could repair Landing Ship, Tank (LST). The stern of the ship is open to allow a ship in need of repair to enter.[3][2][58]

Auxiliary Repair Dock, Concrete (ARDC)

Файл:ARDC13 ship.jpg
ARDC-13, An Auxiliary Repair Dock, Concrete
Файл:AuxiliaryRepairDockConcreteUnderTow.jpg
Auxiliary Repair Dock, Concrete under tow

Auxiliary Repair Dock, Concrete were mobile dry docks made of concrete, due to the shortage of steel during World War II. ARDC had a 2,800 ton lifting capacity. ARDC were 389 ft long, 84 ft wide, and 40 ft deep. ARDC has a crew of five officers and 84 enlisted men. Each had a 5-ton crane, with a 42 ft reach. Eight were built at Wilmington, North Carolina, and five at San Pedro in Los Angeles, California.[92][93][94][2]

  • ARDC 1 – Changed to AFDL-34. Sold to Taiwan in 1959 Han Jih.
  • ARDC 2 – Changed to AFDL-35. Scrapped in 1974.
  • ARDC 3 – Changed to AFDL-36. Sold to Taiwan in 1947 Hay Tan. Scuttled in 2000.[95]
  • ARDC 4 – Changed to AFDL-37. Scrapped in 1981.
  • ARDC 5 – Changed to AFDL-38. Placed out of service, date unknown. Final Disposition, transferred to San Francisco Maritime National Historical Park and leased to Bay Ship and Yacht shipyard at Alameda, CA.[96]
  • ARDC 6 – Changed to AFDL-39. Sold to Brazil in 1980 Cidade de Natal.
  • ARDC 7 – Changed to AFDL-40. Sold to the Philippines in 1990.
  • ARDC 8 – Changed to AFDL-41. Sold in 1983 to North Florida Shipyard[97]
  • ARDC 9 – Changed to AFDL-42. Sold to Hurley Marine Works in 1945. Scrapped in 1975.
  • ARDC 10 – Changed to AFDL-43. Scrapped in 1979.[98]
  • ARDC 11 – Changed to AFDL-44. Sold to the Philippines in 1969.[99]
  • ARDC 12 – Changed to AFDL-45. Sold to Todd Seattle 1945. Sold 1981 to Puglia Engineering.
  • ARDC-13 – Changed to AFDL-46. Destroyed at Bikini in 1946.[100]

Yard Floating Dock (YFD)

Файл:YFD-2 arriving Pearl Harbor Oct 1940.jpg
YFD-2 The first Yard Floating Dock built in 1901, arriving Pearl Harbor 23 Oct. 1940 from New Orleans Naval Yard

Yard Floating Dock (YFD) was used for many types of floating docks, mostly used for harbor or shipyard use. YFDs normally had little-to-no crew space and were serviced from shore. Some auxiliary Repair Docks were converted to YFDs. Types of YFDs were: 400-ton concrete docks, 1,000-ton, 3,000-ton and 5,000-ton wood docks; sectional wood docks from 7,000 to 20,000 tons lifting capacity and a three-piece self docking steel sectional docks with 14,000 to 18,000 tons lifting capacity. All Medium Auxiliary Floating Dry Docks were converted to YFDs after World War II.[101][102][2]

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Image gallery

See also

References

Шаблон:Reflist

External links

Шаблон:Commons category

Шаблон:Auxiliary repair dock (ARD) Шаблон:Advanced base section dock (ABSD) Шаблон:WWII US ships

  1. The Pacific War Online Encyclopedia, Floating Dry Docks
  2. 2,0 2,1 2,2 2,3 2,4 2,5 2,6 2,7 2,8 2,9 Building the Navy's Bases in World War II, History of the Bureau of Yards and Docks and the Civil Engineer Corps 1940-1946 Chapter IX, Floating Drydocks
  3. 3,0 3,1 3,2 3,3 3,4 3,5 Шаблон:Cite web
  4. USS ABSD-1 [1943-1946]
  5. "Sea Going Navy Yard Follows The Fleet", November 1945, Popular Science
  6. navsource, Artisan (AFDB-1)
  7. southpacificwwiimuseum.com, ABSD-1 Floating Dry Dock on Espiritu Santo, A glimpse of WWII history
  8. pacificwrecks, USS AFDB-2
  9. https://southpacificwwiimuseum.com/absd/ The USS ABSD-1
  10. navsource, USS AFDB-3
  11. Photos of USS Samuel B. Roberts on blocks in AFDB-3 in 1988
  12. Pacific Wrecks - AFDB-4 / ABSD-4 Auxiliary Floating Dry Dock 4
  13. navsource, navsource, ABSD-4
  14. USS AFDB-5
  15. navsource, USS AFDB-6
  16. navsource, AFDM Medium Auxiliary Floating Dry Dock
  17. navsource, Medium Auxiliary Floating Dry Docks (AFDM)
  18. USN Floating Dry Dock AFDM-1 in the Miraflores Locks, August 11, 2013
  19. navsource, AFDM-1
  20. navsource, USS AFDM-3
  21. navsource, USS Resourceful (AFDM-5)
  22. Global security AFDB Auxiliary Floating Dry Dock, Large
  23. navsource, USS Competent (AFDM-6)
  24. navsource, USS Sustain (AFDM-7)
  25. navsource, USS Richland (AFDM-8)
  26. navsource, USS AFDM-9
  27. navsource, USS Steadfast (AFDM-14)
  28. navsource.org, USS Ability (AFDL-7)
  29. US Navy, AFDL: SMALL AUXILIARY FLOATING DRY DOCK (N-S-P)
  30. navsource, USS AFD-2
  31. navsource, USS AFD-3
  32. navsource, USS AFD-4
  33. navsource, USS AFD-5
  34. navsource, USS Dynamic (AFD-6)
  35. navsource, USS Ability (AFD-7)
  36. navsource, USS AFD-8
  37. navsource, USS AFD-9
  38. navsource, USS AFD-10
  39. navsource, USS AFD-11
  40. USS AFD-12
  41. Шаблон:Cite web
  42. Beans, Bullets, and Black Oil, By Rear Adm. Worrall Reed Carter, page repair
  43. Beans, Bullets, and Black Oil, By Rear Adm. Worrall Reed Carter, page Enewetak Atoll July 1944
  44. navsource, USS AFD-16
  45. Beans, Bullets, and Black Oil, By Rear Adm. Worrall Reed Carter, page Kwajalein Atoll Sept. 1944
  46. Dunstaffnage, war years
  47. Fold3.com, War Diary, 1/1-31/45, Page 1
  48. navsource, USS AFD-21
  49. navsource, USS AFD-22
  50. navsource,USS Adept (AFD-23)
  51. USS AFD-24
  52. US Navy AFDL 25
  53. USS AFD-26
  54. navsource, USS AFD-28
  55. Dictionary of American Naval Fighting Ships, edited by James L. Mooney, page 709
  56. navsource, USS AFD-30
  57. HMS ST BRIDES BAY (K 600) - Bay-class Frigate
  58. NAVY DEPARTMENT, MANUAL OF ADVANCED BASE DEVELOPMENT AND MAINTENANCE, APRIL 1945
  59. navsource, USS ARD-1
  60. navsource, USS ARD-2
  61. navsource, USS ARD-3
  62. navsource, USS ARD-4
  63. navsource, USS ARD-5
  64. navsource, USS ARD-6
  65. USS ARD-7
  66. navsource, USS ARD-8
  67. navsource, ARD-9
  68. navsource, ARD-10
  69. navsource, ARD-11
  70. ARD-12
  71. ARD-13
  72. navsource, USS ARD-14
  73. USS ARD-15
  74. navsource, USS ARD-16
  75. USS ARD-17
  76. navsource, USS Endurance ARD-18 ARDM 3
  77. USS Oak Ridge (ARDM-1) ARD-19
  78. navsource, USS White Sands (ARD-20)
  79. navsource, USS ARD-21
  80. navsource, USS ARD-22 Windsor
  81. navsource, USS ARD-23
  82. USS ARD-24
  83. USS ARD-25
  84. navsource, USS Alamogordo (ARDM-2) ARD-26
  85. USS ARD-27
  86. navsource, USS ARD-28
  87. USS Arco (ARD-29)
  88. navsource, USS ARD-30, USS San Onfre
  89. navsource, USS ARD-31
  90. navsource, USS ARD-32
  91. navsource, USS ARD-33 - AFDL 47, Reliance
  92. Шаблон:Cite journal
  93. Dictionary of American Naval Fighting Ships: V. 6: R Through S, Appendices, By James L. Mooney.
  94. Global security, Auxiliary Classes
  95. navsource, ARDC 3
  96. navsource, ARDC 5
  97. navsource, ARDC 8
  98. navsource, ARDC 10
  99. navsource, ARDC 11
  100. navsource, ARDC-13
  101. navsource, Yard Floating Dock (YFD)
  102. The Navy of the Nuclear Age, 1947–2007, By Paul Silverstone
  103. Ошибка цитирования Неверный тег <ref>; для сносок Yard Floating Dock (YFD) не указан текст
  104. US Navy, YFD-2
  105. National Park Service, Civilian Casualties, YFD-2
  106. US Navy, Floating Drydock Resolute Ends 58 Years of Service to Navy, Story Number: NNS031107-31Release Date: 11/7/2003 11:40:00 PM, By Chief Journalist (SW/AW) Mark O. Piggott, Commander, Submarine Force, U.S. Atlantic Fleet Public Affairs