Mill construction details

I have done some improvements on the water wheel detailing, based on discussions with Andy Selfe, who has been involved in watermill restoration.

This mostly has to do with bracing where the arms of the waterwheel intersect. (refer to the article below)


This 3D computer reconstruction shows the mill machinery. Water flowing along the Launder falls through a hole at the top of the wheel. The wheel turns an axle, which drives the toothed Pit Wheel. The Pit wheel drives the Runner (top) stone via the Lantern gear.


In this image, only the mill machinery is shown. The stones are semi - transparent to show the quant, a cross- shaped piece of steel, attached to the vertical shaft and  set into the bottom of the runner stone. The cone in the top of the runner stone fits into a hole, into which grain falls to reach the grinding serfaces between the stones. The lower stone, or bed stone, has a much smaller hole, allowing only the shaft to pass through. This is caulked with canvas to prevent grain from falling through. The only way out is between the stones, where the ground meal moves outward by centrifugal force and the action of the grooves cut into the grinding surfaces of the stones. A sweep attached to the Runner stone moves the ground meal to the outlet spout of the Tun.(not shown)..


This image is an 'explodametric' version of the one above.The relationship of the various components can be seen. Additions to the previous drawings (article below) are the bracing pieces for the clasp arms of the water wheel, the rebates wher the Clasp arms cross  and an angle at the top of the water buckets to help 'cut' the water.