Description
For an explanation of the various pieces of machinery, see Mill machinery.Wimbledon Windmill was built as a hollow post mill, with the drive to the stones passing through the centre of the main post. It was a hollow post mill for its entire working life, but was rebuilt as a smock mill when it was preserved in 1893. The mill has double Patent sails and is winded by a fantail. The windmill has an octagonal brick base of two stories, above which is a conical tower formerly housing the main post. The cast-iron windshaft carries four double Patent sails, and a 6 feet (1.83 m) diameter cast iron Brake Wheel with about 60 wooden cogs, which formerly drove the cast-iron Wallower carried on a cast iron Upright Shaft. A Spur Wheel at the lower end of the upright shaft would have driven the millstones on the upper floor of the mill. The conversion from Hollow Post mill to a Smock mill was done by Sanderson's, the Louth millwrights.
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