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A bilge pump is a water pump used to remove bilge water. Since fuel can be present in the bilge, electric bilge pumps are designed to not cause sparks. Electric bilge pumps are often fitted with float switches which turn on the pump when the bilge fills to a set level. Since bilge pumps can fail, use of a backup pump is often advised. The ...
The bilge pump was an improvement on the first hydraulic pumps used in antiquity: force pumps. Invented around the early 3rd century BCE, the most primitive design of a force pump consisted of a piston pushing water out of a tube, constructed by soldering individual bronze elements (Stein 246).
A modern copy of a whaleboat at Mystic Seaport.The mast is stowed with its heel under the after thwart and resting on the gunwale on the starboard quarter. The 2 tubs containing the whale rope are in the after half of the boat, and the rope is led round the loggerhead and then forward to the bow, between the chocks.
Both ships had several hand-operated bilge pumps that worked like a modern bucket dredge, the oldest example of this type of bilge pump ever found. The pumps were operated by what may have been the oldest crank handles yet discovered; [ 11 ] however, the reconstruction of the cranked pump from fragments, including a wooden disk and an eccentric ...
Bilge compartment in a steel hulled ship (looking down) Bilge compartment and pump. The bilge / b ɪ l dʒ / of a ship or boat is the part of the hull that would rest on the ground if the vessel were unsupported by water. The "turn of the bilge" is the transition from the bottom of a hull to the sides of a hull.
Renovations were begun on Jingei in November 1934 at the Sasebo Naval Arsenal to equip the vessel with new ballast tanks and bilge pumps. As the Jingei -class submarine tenders were unable to support the new Kaidai -class submarines, they were reassigned to the Training Fleet around this time, and their duties as submarine tenders were taken up ...
The infamous Eastern Han court eunuch Zhang Rang (d. A.D. 189) once ordered the engineer Bi Lan (畢嵐) to construct a series of square-pallet chain pumps outside the capital city Luoyang. [14] These chain pumps serviced the palaces and living quarters of the Luoyang; the water lifted by the chain pumps was brought in by a pipe system. [14]
Both ships were equipped with new ballast tanks and bilge pumps. On 15 November 1940, the two Jingei-class ships were returned to Submarine Division Command and replaced the Takasaki and the Tsurugizaki, both of which had been flexibly designed and were converted to aircraft carriers.
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