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Whirl-Frame Air Dasher Churn: Free Wheels Spun by the Milk Inside a Revolving Frame
Routzahn put free-turning wheels inside his dasher so the milk itself would spin them.
Nathaniel Routzahn of Middletown, Maryland, received US 7,199, dated 19 March 1850, for a churn-dasher of two L-shaped tubes of triangular section, running from near the cover down and in to the spindle, their horizontal arms perforated "through which air enters the milk during the revolution of the dasher." Between each upright arm and the axis, standards carry "whirls B, or wheels having inclined spokes," free to turn in planes through the axis. A bevel wheel and pinion turn the dasher fast, and "the friction thus produced by the whirls greatly facilitates the separation of the butter."
This rung estimates how the whirls spin, then prints the hollow frame and two whirls, fits them in a bucket, and makes butter.
Katamtaman
About 4 hours, plus printing
Mga Tagubilin
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How the whirls spin
How the whirls spin
Naglo-load ng Jupyter notebook…
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Beaters that turn on their own axes before it
Beaters that turn on their own axes before it
The embedded blueprint gears its rollers to a fixed wheel. Routzahn's whirls have no gearing: the milk spins them.
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Read US 7,199
Read US 7,199
"The dasher thus receives a rapid rotating motion, and the whirls in passing through the milk are rapidly turned by its pressure upon the inclined faces of their arms which reacting upon the milk through which they pass, subdivides the whole mass and puts it in violent agitation, during which air is supplied through the outer tubes."
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Print the parts
Print the parts
Print the frame flat on its side in one piece with supports (/uploads/blueprints/whirl-frame-air-dasher-churn-frame.stl): two hollow triangular L-tubes, perforated along their horizontal arms and open at the top, the top bar, and standards for the whirls. Print two whirls (/uploads/blueprints/whirl-frame-air-dasher-churn-whirl.stl) and the crank arm (/uploads/blueprints/whirl-frame-air-dasher-churn-crank-arm.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Mga materyales para sa hakbang na ito:
PETG filament1 pirasoMga kailangang kasangkapan:
Limbagang 3D na FDM5
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Hang the whirls
Hang the whirls
Set each whirl between its standards and pass a 3 mm stainless rod through the standards and the whirl's hub as its axle; it must spin freely. Blow through each tube's top to check the arm holes are clear.
Mga materyales para sa hakbang na ito:
Bilog na Bara ng Malambot na Asero1 pirasoMga kailangang kasangkapan:
Lagaring Pang-metal
Papel de Liha6
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Spindle and crank
Spindle and crank
Pass a 10 mm square hardwood spindle through the frame's hubs and glue it. Stand it in a seat drilled in the centre of a food-grade bucket's floor, through a plywood lid, and glue the crank arm and a dowel handle on top. Keep the tubes' open tops above the cream.
Mga materyales para sa hakbang na ito:
Mga tarugong matigas na kahoy1 piraso
Balde na 20 Litro1 piraso
Plantsa ng playwud1 piraso
Pandikit sa Kahoy1 pirasoMga kailangang kasangkapan:
Walang-Kableng Barena
Hanay ng Talim ng Barena
Lagaring Pangkamay7
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The build in 3D
The build in 3D
FreeCAD model of this build, not of the patent: the bucket cut away to show the frame of two triangular L-tubes on the spindle, their perforated horizontal arms, and a free whirl on its axle between standards in each half.
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Crank and make butter
Crank and make butter
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres, below the tubes' open tops. Crank steadily and watch the whirls spin; 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.
Mga materyales para sa hakbang na ito:
Makapal na krema2000 ml
Magaspang na Asin sa Dagat1 piraso
Tubig1 pirasoMga kailangang kasangkapan:
Termometro na naiiwang nakatusok
Panukat ng Oras
Digital na Timbangang Pangkusina
Malaking mangkok na panghalo na asero na hindi kinakalawang9
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Whirls that won't spin, cream in the tubes
Whirls that won't spin, cream in the tubes
Whirl-frame air dasher troubleshooting.
Flow
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History and honest limits
History and honest limits
**Nathaniel Routzahn** of Middletown, Frederick County, Maryland, received US 7,199, dated 19 March 1850. He did not limit himself to the bevel wheel and pinion: "a belt running on pulleys, or an ordinary cog wheel and pinion can be used for the same purpose." He claimed the combination of the whirls with the revolving frame dasher.
**Honest limits.** Our crank turns the spindle directly, without his bevel gearing, so the frame and whirls turn slower; printed parts and a bucket stand in for his. The notebook gives an upper bound. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
Mga Materyales
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- 2000 mlPlaceholder
- 1 pirasoPlaceholder
- 1 pirasoPlaceholder
Mga Kinakailangang Kasangkapan
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- 1 vendor sell this, none ship to you yetPlaceholder
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Mga design file
1Ang blueprint na ito ay gumagawa ng
Kaugnay na Blueprint
Ang mga blueprint na ito ay nagbabahagi ng kaalaman — mga teknik, materyales, o prinsipyo
Self-Turning Roller Churn: Fluted Rollers Spun by a Fixed Wheel as the Dasher Turns
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Spiral-Float Air-Arm Churn: A Perforated Screw Over a Breathing Wedge
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Double-Motion Dasher Churn: One Crank Spins One Dasher and Plunges the Other
ni Emma
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26
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0
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CC0 Pampublikong Domain
Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.
Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.