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The wheel shows a tendency to align its spin axis with the axis of rotation (the gimbal axis), and it is this action which rotates the entire vehicle about its roll axis. Ideally, the mechanism applying control torques to the gimbal ought to be passive (an arrangement of springs , dampers and levers ), but the fundamental nature of the problem ...
The Spinning Wheel is also the title/subject of a classic Irish folk song by John Francis Waller. [51] [52] A traditional Irish folk song, Túirne Mháire, is generally sung in praise of the spinning wheel, [53] but was regarded by Mrs Costelloe, who collected it, [54] as "much corrupted", and may have had a darker narrative. It is widely ...
A gyroscope is an instrument, consisting of a wheel mounted into two or three gimbals providing pivoted supports, for allowing the wheel to rotate about a single axis. A set of three gimbals, one mounted on the other with orthogonal pivot axes, may be used to allow a wheel mounted on the innermost gimbal to have an orientation remaining ...
A typical system consists of a flywheel supported by rolling-element bearing connected to a motor–generator. The flywheel and sometimes motor–generator may be enclosed in a vacuum chamber to reduce friction and energy loss. First-generation flywheel energy-storage systems use a large steel flywheel rotating on mechanical bearings.
Early designs of perpetual motion machines were done by Indian mathematician–astronomer Bhaskara II, who described a wheel (Bhāskara's wheel) that he claimed would run forever. [2] A drawing of a perpetual motion machine appeared in the sketchbook of Villard de Honnecourt, a 13th-century French master mason and architect.
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Spinner's weasel (left) and spinning wheel (right) Spinner's weasel or clock reel is a mechanical yarn-measuring device consisting of a spoked wheel with gears attached to a pointer on a marked face (which resembles a clock) and an internal mechanism that makes a "pop" sound after the desired length of yarn is measured (usually a skein). The ...
Queen Bertha instructing girls to spin flax on spindles using distaves, Albert Anker, 1888 A distaff and a spindle. A distaff (/ ˈ d ɪ s t ɑː f /, / ˈ d ɪ s t æ f /, also called a rock [1]) is a tool used in spinning. It is designed to hold the unspun fibers, keeping them untangled and thus easing the