Description
High Salvington Windmill is a post mill with a single storey roundhouse. The mill rotates on a solid oak post which is in turn supported by a trestle of heavy pine quarter nars supported on two crosstrees, themselves resting on four brick piers. The trestle is protected by a wooden roundhouse, modelled on the pre-1907 structure. On top of the post, a Samson head is fitted and this supports the crown tree—a large, heavy oak timber to which the body of the mill is attached.
The windmill has a pair of common sails and a pair of spring sails, carried by a wooden windshaft with a cast iron poll end. The mill has two pairs of millstones, arranged head and tail. The head stones are Derbyshire Peak stones are used for rough grinding, while the tail stones are made from pieces of French Burrstone, embedded in plaster of Paris. These millstones were used for fine grinding. Each pair of stones is driven by its own wheel, called the head wheel and tail wheel. The Friends of High Salvington Mill have had to rebuild the head wheel, but the tail wheel, an original of a rare "compass arm" design, is now too fragile to be used for grinding.
Tenter gear is installed to adjust the gap between the stones, and along with the usual system of levers adjustable via a tentering screw, the mill also has a rope attached that allows the miller to lift the half-ton (500 kg) runner stone, while governors adjust to the wind speed and raise or lower the gap accordingly.
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