The Paul R. Tregurtha enters the Port of Duluth MN. The Tregurtha is also know as the “Queen of the Lakes.” It holds the title as the longest vessel on the Great Lakes at 1,013’ 06” (308.91m).
The keel was laid July 12, 1979. The bow and part of the cargo section was built at American Ship Building Co., Toledo, OH and towed upon it's completion to American Ship Building Co., Lorain, OH where it was mated with the stern portion as hull # 909. It was formally launched February 4, 1981. It was christened April 25, 1981 as the William J. De Lancey for Interlake Steamship Co., Richfield, OH. It was built for Interlake's customer Republic Steel and was named in honor of its Chairman.
On May 23, 1990 it was rechristened Paul R. Tregurtha at Sturgeon Bay. The vessel was named in honor of Mr. Paul Richard Tregurtha; Vice Chairman of Interlake Steamship Co., and Chairman, C.E.O., and 50% owner of Mormac Marine Group, Inc. (owner of Interlake Steamship Co.).
It's powered by 2 Colt-Pielstick model 16PC2-3V-400 V-16 cylinder, four stroke, single acting diesel engines each rated at 8,560 b.h.p. They were built by the Fairbanks Morse Engine Div., Colt Industries, Beloit, WI.
The power from the diesel engines run through a Falk single reduction gear box to twin 17’06” (5.33m) diameter controllable pitch propellers giving the vessel a rated service speed of 15.5 m.p.h., (13.469 knots) She is equipped with a 1,500 h.p. bow thruster. It has 36 hatches servicing 5 holds; the vessel is capable of carrying 68,000 long tons (69,092 mt) of iron ore at a mid-summer draft of 30’ 01” (9.17m) or a cubic capacity for 71,250 net tons of coal (equivalent of 63,616 long tons by comparison). Her Stephens-Adamson design loop belt elevator system feeds a stern mounted 260’ (79.25m) discharge boom that can be swung 100 degrees to port or starboard and is capable of unloading at a rate of 10,000 tons (10,161 mt) of ore per hour or 6,000 net tons of coal per hour. The self-unloader displaces 14,497 tons (14,730 mt) lightweight.
Length 1,013' 06" (308.91m)
Beam 105' 00" (32.00m)
Depth 56' 00" (17.07m)
Capacity (mid-summer) 68,000 tons (69,092 mt)
At a draft of 30'01" (9.17m)
Displacement (lightweight) 14,497 tons (14,730 mt)
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