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词条 Type L6 class ship
释义

  1. Specifications

  2. Ships in Class

  3. Active

  4. Notable incidents

  5. See also

  6. References

{{Infobox ship image
Ship image =Ship caption =
}}{{Infobox ship class overview
Name = Type L6 shipBuilders =* American Ship Building Company and Great Lakes Engineering WorksOperators =Subclasses=Cost=Built range = 1943 (U.S. shipyards)In service range = 1943 –In commission range =Total ships building =Total ships planned=Total ships completed= 16Total ships cancelled=Total ships active = 2Total ships laid up=Total ships lost = 0Total ships retired=Total ships preserved=
}}{{Infobox ship characteristics
Hide header=Header caption=Ship class = Maritimer class - L6Ship type =Ship tonnage = 15,825 DWTShip displacement =Ship tons burthen=620|ft|0|in|m|abbr=on}} (design)60|ft|0|in|m|abbr=on}} (design)Ship height=Ship draught=Ship draft =35|ft|0|in|m|abbr=on}} (design)Ship hold depth=Ship decks=Ship deck clearance=Ship ramps=Ship ice class=Ship power= 2,500 shp triple expansion steam engineShip propulsion =Two coal-fired water tube boilersShip sail plan=Ship speed =Ship range=Ship endurance=Ship test depth=Ship boats=Ship capacity=Ship troops=Ship complement =Ship crew=Ship time to activate=Ship sensors=Ship EW=Ship armament =Ship armour=Ship armor=Ship aircraft=Ship aircraft facilities=Ship notes=
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The Type L6 ship is a United States Maritime Administration (MARAD) designation for World War II as a Great Lakes dry break bulk cargo ship. The L-Type Great Lakes Dry Bulk Cargo Ships were built in 1943 for World War II. The ships has a 15,82 deadweight tonnage. The L6 ships were built by two companies: American Ship Building Company and Great Lakes Engineering Works,Ashtabula, Ohio/ Great Lakes Engineering Works, River Rouge, Ohio that built the type L6-S-B1 and American SB that built the class L6-S-A1. Steel supply needed for World War was great. To supply iron ore from Lake Superior to steel foundries, the United States Commission had a series of L6 Lakers ship built. The Maritime Commission ordered ten Great Lakes Bulk Carriers of the L6-S-B1 type. The L6-S-B1 was design with a 3-cylinder triple expansion steam engines. The L6-S-A1 used a lentz 4-zylinder compound engines. All L6 ships were coal burning and delivered between May and November 1943. [1] L6-S-B1 was built for the US Maritime Commission under USMC contract MCc-1834 in 1943 at the River Rouge yard. Each L6 ship cost $2.265 million. The first L6-S-B1 was the SS Adirondack/Richard J. Reiss, hull 290, keel was laid on March 9, 1942 and launched on September 19, 1942. The ships are often called the Class Lake Bulk Freighter now.[2]

Specifications

  • Dimensions: 620 feet
  • Beam 60 feet
  • GRT 9057
  • NRT 6793
  • Dwt 15,800
  • Two coal-fired water tube boilers.
  • L6-S-A1 type had Lenz 4 cylinder compound steam engine
  • L6-S-B1 type had a 2,500 shp, 3 cylinder triple expansion steam engine
[3][4]

Ships in Class

  • L6-S-A1 Maritimer" class
    • Thomas Wilson Hull#826 USMC #565, Sank in Sank 1987.
    • Sewell Avery Hull#827 USMC #566 Used as a dock at Sault Ste Marie,Ont. 1987[5]
    • J. Burton Ayers/Cuyahoga Hull#828 USMC #567 Converted Diesel 3,084 bhp in 1999[6]
    • E. G. Grace/Lincolnshire Hull#829 USMC #568, Scrapped 1984 at Port Colborne Ont.[7]
    • Belle Isle/Champlain Hull#1009 USMC #569 Scrapped in Turkey October 1987 [8]
    • John T. Hutchinson Hull#1010 USMC #570 Scrapped in Taiwan Oct 2, 1988 [9]

  • L6-S-B1 Maritimer" class
    • Adirondack/Richard J. Reiss/Manistee Hull#290 USMC #579 Converted to 2,950 horsepower diesel engine in 1976[10]
  • Lake Angelina/Cadillac Hull#291 USMC #580 Scrap in 1962 at Hamilton Ont.[11]
    • Hill Annex/George A. Sloan/Mississagi Hull#292 USMC #581 Converted in 1984 to 4,500 bhp 12-cylinder diesel engine
    • Pilot Knob/Frank Armstrong Hull#522 USMC #582 Scrapped in Turkey 1988.[12]
    • Clarence B. Randall Hull#523 USMC #583 Scrapped in Taiwan Oct 2, 1988 [13]
    • McIntyre/Frank Purnell Hull#293 USMC #584 Used as barge, now laid up on the Calumet River.[14]
    • Robert C. Stanley Hull#294 USMC #585 Scrapped in Turkey May,1989.

Active

Ship still active on the lakes:

  • Cuyahoga (former: J. Burton Ayers), New diesel engine install in 2000.[15]
  • Mississagi (former Hill Annex / George A. Sloan) Mississagi since 2001 [16]

Notable incidents

  • SS Thomas Wilson After worked on the Lakes from 1943 to 1987. She was sold for scrap to Corostel Trading Co. of Montreal, Que. Canada in September 1987. Tugs were towing her to Taiwan for scrapping. On December 21, 1987 they hit a storm in the Atlantic Ocean and the towline broke. The Thomas Wilson sank 250 miles northeast of Bermuda, [17] sank near 34 08'N by 61 35'12"W.[18]
  • SS Sewell Avery was sold 1986 to A. B. McLean Ltd., she was sunk in May 1987 to be used as part of a dock at Sault Ste. Marie, Ontario. [19]
  • J. Burton Ayers grounded at Stoneport, MI resulting on September 10th, 1980, with much bottom damage, she was repaired.

See also

  • SS Edmund Fitzgerald
  • Victory ships
  • Liberty ship
  • Type C1 ship
  • Type C2 ship
  • Type C3 ship
  • United States Merchant Marine Academy
  • List of auxiliaries of the United States Navy

References

1. ^usmaritimecommission.de, Outboard Profiles of Maritime, Commission Vessels, The Laker Designs
2. ^shipmodels.info, L6-S-B1 “Maritimer” Class Lake Bulk Freighter
3. ^usmm.org, Miscellaneus U.S. Maritime Commission Ships Part 2
4. ^shipbuildinghistory.com, L-Type Great Lakes Dry Bulk Cargo Ships
5. ^shipspotting.com Sewell Avery & Robert C. Stanley
6. ^Cuyahoga
7. ^[https://www.greatlakesvesselhistory.com/histories-by-name/g/grace-e-g E. G. Grace/Lincolnshire]
8. ^Belle Isle
9. ^[https://www.greatlakesvesselhistory.com/histories-by-name/h/hutchinson-john-t ohn T. Hutchinson]
10. ^Manistee
11. ^[https://www.greatlakesvesselhistory.com/histories-by-name/a/angeline Lake Angelina]
12. ^[https://www.greatlakesvesselhistory.com/histories-by-name/a/armstrong-frank Frank Armstrong]
13. ^[https://www.greatlakesvesselhistory.com/histories-by-name/r/randall-clarence-b Clarence B. Randall ]
14. ^McIntyre/Frank Purnell
15. ^duluthshippingnews.comCuyahoga]
16. ^Mississagi
17. ^boatnerd.com, Thomas Wilson 1943 - 1987
18. ^shipspotting.com, Thomas Wilson
19. ^greatlakesvesselhistory.com, SS "Sewell Avery"
{{MARCOMships}}{{WWIIUSShips}}{{Subject bar
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7 : Merchant ships of the United States|World War II merchant ships of the United States|Ship types|1940s ships|Container ship classes|Ship classes|Great Lakes ships

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