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The concrete ship before Redentin

During World War II, when steel was scarce, we first came up with the idea of producing a ship made of concrete. The entire body of this Boat was made of concrete. During World War II lived this way back on production, re-usable and seagoing concrete ships were built for freight purposes. For example, the construction company Dyckerhoff & Widmann, the operation of the series production of ships made of reinforced concrete at various places in the then German sphere.

In Swinoujscie to the company was founded shell shipbuilding, was a series of 280 GRT coasters. In addition, they built in Rügenwalde tankers of 2,700 tons, of which only one, "Ulrich Finsterwalder" was finished. It is named after the inventor of a - compared to conventional concrete vessels considerable weight saving - shell construction of Prestressed concrete, which has a convex outer skin the necessary strength and get by with only a few webs. One of those concrete ships can be visited today in Rostock as a museum ship.


The concrete ship of the type "soul Ichter Viking engine" before Redentin is one of a series of more than 50 during the Second World War for the "transportation fleet spear" at various construction sites created cargo motor vessels.
The term "transport fleet spear" is mostly related to the inland fleet of the GBI. There, a building program for tugboats and barges of concrete was placed. They should for the transportation of construction materials led the way for the City leaders are.

The hulls were upturned in a pit created in shell construction and the flooding of the pit and turned upright. The final finishing was done by another shipyard. The concrete ship before Redentin was built between 1943 and 1944.

Specifications:

Year: 1943/44
place of construction: Ostswine, District Swinoujscie
Company: Shell shipbuilding KG; Dyckerhoff & Widmann KG
Type: soul ichter Viking Motor
hull: steel-reinforced lightweight concrete shell construction
length: 40,50
m Beam: 7.00 m
Side height: 3,40 m
Draft: 2.87 m
wall thickness: 80 mm
Capacity: 337 dwt
Displacement: 627 cubic meters
Machinery: 2 diesel engines (250 - 300 hp), 2 fixed propeller
steering: mechanical twin-face helm

when exactly and was stranded in what circumstances the vessel in the Bay of Wismar is largely unknown . Attempts to salvage the wreck, because of the weight and the sand bank has so far been unsuccessful.

Interestingly this link: http://www.ostsee.de/rostock/betonschiff-capella.html

source include Wikipedia