A whim, also called a whim gin or a horse capstan, is a device similar to a
windlass
The windlass is an apparatus for moving heavy weights. Typically, a windlass consists of a horizontal cylinder (barrel), which is rotated by the turn of a crank or belt. A winch is affixed to one or both ends, and a cable or rope is wound arou ...
which is used in mining for hauling materials to the surface. It comprises a
capstan or a wide drum with a vertical axle. A rope is wound around the drum, with both ends traversing several pulleys and hanging down the mine shaft. As the drum is turned around, one end of the rope is lowered, carrying an empty bucket, while the other one is raised, carrying a full load.
The major benefit of a whim is that its operation can be performed at a distance from the shaft, thus resolving some of the congestion. Early whims were horse-powered, but later they were powered by
waterwheel
A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a large wheel (usually constructed from wood or metal), with numerous blade ...
s or
steam engine
A steam engine is a heat engine that performs Work (physics), mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a Cylinder (locomotive), cyl ...
s, including the most advanced
Cornish engine
A Cornish engine is a type of steam engine developed in Cornwall, England, mainly for pumping water from a mine. It is a form of beam engine that uses steam at a higher pressure than the earlier engines designed by James Watt. The engines were ...
s. Whims were used in coal mines until the end of the nineteenth century.
Horse whims were also used to power
team boat
A team boat, horse boat, or horse ferry, is a watercraft powered by horses or mules, generally using a treadmill, which serves as a horse engine. Team boats were popular as ferries in the United States from the mid-1810s to the 1850s.
Types
Th ...
s.
The gin wheel at
Nottingham Industrial Museum
The Nottingham Industrial Museum is a volunteer-run museum situated in part of the 17th-century stables block of Wollaton Hall, located in a suburb of the city of Nottingham.
The museum won the ''Nottinghamshire Heritage Site of the Year Award ...
dating from 1844, is a wooden drum, set on a vertical pole within a wooden frame, with a horizontal shaft from the drum for attaching to a horse. Before joining the other exhibits at Nottingham Industrial Museum, the whim was used at Langton and
Pinxton Collieries.
References
Citations
General and cited sources
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Underground mining
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