Adjustable-Float Annular Dasher Churn: Floats on a Ring Set More or Less Oblique

"The plate A, has floats or buckets b, c, attached to its upper and lower surface, by bolts or screws d, which pass through their centers. These floats or buckets may be turned more or less angularly or obliquely so as to present a greater or less resisting surface to the cream, as desired, and consequently the cream may be subjected to a greater or less degree of agitation—as desired."

Print the annular plate (/uploads/blueprints/adjustable-float-annular-dasher-churn-annular-plate.stl), eight floats (/uploads/blueprints/adjustable-float-annular-dasher-churn-float.stl), the step (/uploads/blueprints/adjustable-float-annular-dasher-churn-step.stl), the crown wheel (/uploads/blueprints/adjustable-float-annular-dasher-churn-crown-wheel.stl), the pinion (/uploads/blueprints/adjustable-float-annular-dasher-churn-pinion.stl) and the standard (/uploads/blueprints/adjustable-float-annular-dasher-churn-standard.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Bolt a float above and below the plate at each of its four holes with a stainless M4 screw and nut, snug enough to hold the angle you set. Push the plate onto a 10 mm square hardwood shaft standing in the step, in a square food-grade container about 200 mm across.

Fix half the lid with a hole for the shaft, the pinion on the shaft's top and the standard with the crown wheel meshing it; screw a dowel handle into the wheel.

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres. Set the floats oblique for thin cream, more square for more agitation, and crank steadily; time until the butter comes. Pour off the buttermilk, add cold water, churn a little and pour off again until it runs clear; work in a pinch of salt and weigh the butter.

**Goodrich Lightfoot** of Elgin, Kane County, Illinois, US 16,210, 9 December 1856. The specification letters both the box and the annular plate A. He claimed the adjustable floats on the annular plate secured to the shaft. A container, printed parts and a crown wheel with a pinion stand in for his. FDM prints hold food in their layer lines, so wash well and replace when worn.