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This file comes from the websites (mil.ru, минобороны.рф) of the Ministry of Defence of the Russian Federation and is copyrighted. This file is licenced under the Creative Commons Attribution 4.0 Licence. In short: you are free to distribute and modify the file as long as you attribute Mil.ru
A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load that they can carry. Most pontoon bridges are temporary and used in wartime and civil emergencies.
A pontoon boat is a flattish boat that relies on nautical floats for buoyancy. Common boat designs are a catamaran with two pontoons, or a trimaran with three. [2] In many parts of the world, pontoon boats are used as small vehicle ferries to cross rivers and lakes. [3] An anchored raft-like platform used for diving, often referred to as a pontoon
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Winding mechanism on the Sackville Ferry in New South Wales, Australia. Cable ferries can be typified by their size and construction, their usage (passenger, animal, vehicle) and requirements (length of crossing, amount of other shipping), their cables (wire rope, chain, or both), and their propulsion (water current, engine, manual).
As ships and their anchors grew in size, the anchor cable or chain would be too big to go around the capstan. Also, a wet cable or chain would be difficult to manage. A messenger would then be used as an intermediate device. This was a continuous loop of cable or chain which would go around the capstan.
The dimensions of each pontoon boat are: depth, 36 inches; width, 12 feet; length, 28 feet. The boats are coupled in sections, six boats to a section. There are nine sections and all may be easily moved to the edge of the river when a storm is seen approaching, or repair work is needed quickly.