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In offshore applications, huge lengths of rope are often housed on drums. The anchor winches on Saipem's Semac 1 pipe laying barge, for example, each hold 2,800 metres of 76mm (3 inch) diameter wire rope in 14 layers. Saipem's Castorone, the world's largest pipe laying vessel uses a wire rope that is 3,850m long and 152mm in diameter. It weighs ...
A cable reel is a round, drum-shaped object such as a spool used to carry various types of electrical wires. [1] Cable reels, which can also be termed as drums, have been used for many years to transport electric cables, fiber optic cables [ 2 ] and wire products.
The length of a sinusoidal wave is commonly expressed as an angle, in units of degrees (with 360° in a wavelength) or radians (with 2π radians in a wavelength). So alternately the electrical length can be expressed as an angle which is the phase shift of the wave between the ends of the conductor [1] [3] [5]
Spools of wire are long — an 8 kg (18 lb) spool of 0.25 mm (9.8 mils) wire is just over 19 kilometres (12 mi) in length. Wire diameter can be as small as 20 μm (0.79 mils) and the geometry precision is not far from ± 1 μm (0.039 mils). The wire-cut process uses water as its dielectric fluid, controlling its resistivity and other electrical ...
This expression assumes that the rod is an infinitely thin (but rigid) wire. This is a special case of the thin rectangular plate with axis of rotation at the center of the plate, with w = L and h = 0. Thin rod of length L and mass m, perpendicular to the axis of rotation, rotating about one end.
Concertina wire or Dannert wire [1] is a type of barbed wire or razor wire that is formed in large coils which can be expanded like a concertina. In conjunction with plain barbed wire (and/or razor wire/tape ) and steel pickets , it is most often used to form military-style wire obstacles .
A 250 V 16 A electrical wire on a reel An irrigation reel with travelling sprinkler. A reel is a tool used to store elongated and flexible objects (e.g. yarns/cords, ribbons, cables, hoses, etc.) by wrapping the material around a cylindrical core known as a spool.
Spool may refer to: Bobbin , a cylinder or reel on which a quantity of thread, yarn or wire is wound for use in a particular machine or device Cable reel , used to carry various types of electrical wires