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A salvage pontoon, sometimes known as a lift bag, is a pontoon used to raise a sunken watercraft, or provide additional buoyancy. Salvage pontoons can be either flexible and inflatable, or a fixed size. Usually cylindrical in shape, they can be used either in a ship's internal spaces, or externally.
Geheyan dam boat lift, also in Hubei Province, capable of lifting vessels of 300 tons displacement. The dam was completed in 1994, but technical difficulties delayed the opening of the ship lift for four more years. Longtan dam boat lift, capacity to lift vessels of 250 tons, in a basin 40×10.8×1.8 meters, and a vertical lift of 68.5 meters. [2]
In 1941, Igor Sikorsky fitted utility floats (also called pontoons) to the Vought-Sikorsky VS-300, making the first practical amphibious helicopter. [3] [5] In the 1940s and 1950s, some models of helicopter such as the Bell 47 and 48 and the Sikorsky R-4 and R-6 [6] were fitted with utility floats so that they could rest on both water and land.
ACV-R [4]: 200+ [4] 40 on order. [4]LAV-25: Canada. United States. Infantry fighting vehicle: Armored-reconnaissance (LAV-25) 488 Looking for successor to the reconnaissance variant, the Textron Cottonmouth 6×6 or a GDLS Advanced Reconnaissance Vehicle 8×8. [5]
This type of rig is commonly used in connection with oil and/or natural gas drilling. There are more jackup rigs in the worldwide offshore rig fleet than other type of mobile offshore drilling rig . Other types of offshore rigs include semi-submersibles (which float on pontoon-like structures) and drillships , which are ship-shaped vessels with ...
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.