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A intimately intact medieval shipwreck has been haul from the frigid waters of a Dutch river .
The sauceboat was likely deliberately sunk by nautical engineer more than 600 years ago in an sweat to alter the flow of the Ijssel River , an outgrowth of the mighty Rhine River that flows through six European countries . The trading ship voyage at a time when the Hanseatic League , a group of order that fosteredtrade across Europe , dominate the seas .
The ship had characteristic construction found in a medieval ship called a cog.
" The fact that we were able to raise the Ijssel cog [ a type of wooden vessel ] in its entirety and in one attempt is a grand achievement by the entire team , " direct maritime archaeologist Wouter Waldus said in a statement . " The shipwreck can become a symbol of our fat maritime history , and I fully await many people , both young and erstwhile , to be amazed by and start relish this ship from the Hanseatic period ’s fascinating story . " [ See picture of the Medieval Trading Ship and Reconstruction ]
surprisal breakthrough
The boat was first name in 2012 at the river bottom during sweat to widen the flow of the Ijssel River . The massive ship was lying vertical to the river flow , along with a knightly barge and a Irish pound , a specialized ship designed for navigating river deltas .
The wooden, flat-bottomed ship was first discovered in 2012 while a national organization was carrying out investigations to preserve water safety in the Dutch river.
Over the course of the next three years , maritime archeologist put in post a conscientious , punctilious design to recoup the ancientseafaring vessel . First , the squad build a platform and crane on the river , then built a protective flesh around the ship to lift it out of the water . After suction gunk from the area inside the frame , the archaeologic team created 3D images of the boat underwater . Only then were the squad members ready to cautiously repeal the boat out of the water , using a basketlike structure made of straps , trave and labourer . Each shoulder strap had its own motorized control to allow perfectly precise maneuvering in response to the military unit live in the ship .
mediaeval cog
It turned out the 55 - net ton ( 50 tonnes ) ship was a mediaeval sprocket , a case of wooden vessel with a steep , straightship prowand deck beams that stick out from the gravy boat ’s peel . cog were typically used in the late medieval period oninternational trade ocean trip . Many of the morphological backup elements , such as nails , were made of metal , mean it was sturdier , and therefore well-heeled to take out of the water without falling apart .
The team believe the ancient seafaring watercraft was likely sunk deliberately . It was placed perpendicular in the stream of the river . By search atmedieval mapsand historical documents and recreating the diachronic path of the river , the team launch the ship was sunk at a fourth dimension when silt was make up , creating huge sandbanks along the Ijssel River . Those sandbank would have prevented ships from dock properly , so the ship , along with the flatboat and punt , were probably sent to the bottom of the river in a bidding to narrow the river flow or disport it in a room that would improve ocean traffic .
Though the ship was ransack of much of its original finery , the squad did find an intact brick oven , as well as gorgeous glass over tile , in the galley area of the ship .
Now that the ship is safely out of the water , the team will channelize it inside its custom - made frame to a preservation facility in Leylstad , the Netherlands . There , it will undergo a scrupulous operation of drying out , which could take another three eld . If all goes well , the Ijssel Cog will be placed on display in a museum . But if the ship ca n’t be dried out safely , it will be studied exhaustively before being destroyed .
