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A davit (/ ˈ d eɪ v ɪ t /) [1] is any of various crane-like devices used on a ship for supporting, raising, and lowering equipment such as boats and anchors. [ 2 ] Davit systems are most often used to lower an emergency lifeboat to the embarkation level to be boarded.
A swimming machine, also known as a resistance swimming apparatus, is a self-contained device powered by a pump, designed to facilitate stationary swimming for athletes or recreational users. This can be achieved by either propelling water past the swimmer or providing support for the swimmer, either within a water environment or on dry land. [1]
A diving bell is a rigid chamber used to transport divers from the surface to depth and back in open water, usually for the purpose of performing underwater work. The most common types are the open-bottomed wet bell and the closed bell, which can maintain an internal pressure greater than the external ambient. [1]
A typical requirement for indoor facilities is that they must provide 5 metres (16 ft) clearance above the highest diving board or platform, so that divers do not hit a ceiling structure. [1] The competitive sport of diving has included the 10-meter dive as an Olympic event since the 1904 Summer Olympics. By 1837, six indoor pools with diving ...
The RMS Titanic was equipped with Welin davits, [1] and after the disaster the demand for his product skyrocketed. He was awarded the John Scott Medal of The Franklin Institute in 1911. He retired a wealthy man in 1932 and returned to Sweden. The Welin Davit Company continues today as Welin Lambie, based at Brierley Hill in the West Midlands, UK.
A 37 feet (11 m) steam pinnace was 6 long tons 2 cwt (13,700 lb or 6.2 t) compared with a 38 feet (12 m) launch (oar and sail) at 3 long tons 18 cwt (8,700 lb or 4 t). Special derricks had to be used to lift these boats, as the davits used for the lighter engineless ones were insufficient. [6]: 87, 89, 111
In platform diving, the diver jumps from a high stationary surface. The height of the platforms – 10 metres (33 ft), 7.5 metres (25 ft) and 5 metres (16 ft) – gives the diver enough time to perform the acrobatic movements of a particular dive. There are additional platforms set at 3 metres (9.8 ft) and 1 metre (3.3 ft).
The Sea-Based X-band radar (SBX-1) is a floating, self-propelled, mobile active electronically scanned array early-warning radar station designed to operate in high winds and heavy seas. It was developed as part of the United States Department of Defense Missile Defense Agency's (MDA) Ballistic Missile Defense System.
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