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Butterfly-Wing Churn: Two Dashers Hinged to an Adjustable Bar Flap Together From One Crank
J. Stubbs (USPTO drawing) · Public domain
Woody

Yaremwe na

Woody

9. Ugushyingo 2026NO
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Butterfly-Wing Churn: Two Dashers Hinged to an Adjustable Bar Flap Together From One Crank

Josiah Stubbs of Dublin, Indiana, received US 24,673, dated 5 July 1859, for a churn with two dashers hinged to a central bar like a butterfly's wings. The bar slides on notched stays inside the shell and is set so the cream barely covers it. One crank on the side works both dashers through two rods, one crossing the churn on a slant. Going down, the cream rushes round the dashers' edges against the shell; going up, flanges on the dashers carry cream up and throw it together. This rung builds it in a 20-litre bucket.
Hagati
About 6 hours, plus printing

Amabwiriza

1

Setting the bar for the cream you have

Gupakira ikaye ya Jupyter…
2

Hinged, flapping dashers, before it

Kelly flapped hinged dashers by swinging the tub. Stubbs keeps the shell still and flaps them from a crank.
3

Read US 24,673

"As the dashers are drawn upwardly, a portion of the fluid will be retained upon them, by means of the flanges (e) and thrown violently together as the dashers reach their upper extremity of motion".
4

Print the flange

A quarter of a dasher's flange e. Print four. PETG, 0.2 mm layers, 40 % infill, 4 walls; wash before first use.
Dosiye y'IgishushanyoSTLCC0 - Free
Kuramo icyitegererezo
5

Stays and bar b

Screw two hardwood stays a 24 x 15 mm, 337 mm long, upright inside the bucket on opposite sides, and saw notches a' 6 mm wide and 4 mm deep in their inner faces every 20 mm from 60 to 220 mm up. Cut a hardwood bar b 272 x 20 x 16 mm with a slotted block 44 mm wide at each end to slide on the stays, and fit an M5 set screw c with a wing nut through one block to hold it in a notch.

Ibikoresho by'iyi ntambwe:

Indobo ya Litiro 20Indobo ya Litiro 201 igice
Ikibaho cy'Igiti GikomeyeIkibaho cy'Igiti Gikomeye1 igice
Imisumari y'ibitiImisumari y'ibiti6 ibice
Ikinyabutabire cy'IbitiIkinyabutabire cy'Ibiti1 igice
Ibitorezo by'imashiniIbitorezo by'imashini1 igice
Inoti y'amababaInoti y'amababa1 igice
Igifunga cya silikoneIgifunga cya silikone1 igice

Ibikoresho bikenewe:

Umucumita w'IntokiUmucumita w'Intoki
Ibyuma byo kubazaIbyuma byo kubaza
Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo GucukuraIbyuma Byinshi byo Gucukura
Ikusanyirizo ry'ibitoreziIkusanyirizo ry'ibitorezi
Umugozi wo GupimaUmugozi wo Gupima
6

Dashers d d

Cut two half-discs 244 mm across from 12 mm plywood and trim each to 220 mm along its straight edge. Glue the printed flanges e round their curved edges, standing 15 mm up. Hinge each dasher's straight edge to one side of the bar with two stainless butt hinges, 4 mm clear of the bar. Screw a small hardwood eye block on each dasher 100 mm out from the bar's middle, the right one 30 mm toward the front, the left one 40 mm toward the back.

Ibikoresho by'iyi ntambwe:

Urupapuro rw'ibiti byometseUrupapuro rw'ibiti byometse1 igice
Fibere ya PETGFibere ya PETG1 igice
Ikinyabutabire cy'IbitiIkinyabutabire cy'Ibiti1 igice
Ifatanya ry'urugiIfatanya ry'urugi4 ibice
Imisumari y'ibitiImisumari y'ibiti16 ibice
Ikibaho cy'Igiti GikomeyeIkibaho cy'Igiti Gikomeye1 igice

Ibikoresho bikenewe:

Imashini icapa 3D ikoresha umugozi (FDM)Imashini icapa 3D ikoresha umugozi (FDM)
Umucumita wa JigsawUmucumita wa Jigsaw
Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo GucukuraIbyuma Byinshi byo Gucukura
Urupapuro rwo GusyaUrupapuro rwo Gusya
Ikusanyirizo ry'ibitoreziIkusanyirizo ry'ibitorezi
7

Crank h k and rods g g'

Drill the bucket's wall 13 mm 315 mm up, 30 mm toward the front, and fit a 12 mm stainless shaft through a hardwood bearing block outside, sealed. Fix a hardwood crank arm h 35 mm between centres on the inner end with a 8 mm pin pointing inward, and a crank handle k outside. Bend two 6 mm stainless rods with an eye at each end: g 185 mm between eyes from the pin to the right dasher, g' 262 mm from the pin across the churn on a slant to the left dasher.

Ibikoresho by'iyi ntambwe:

Agati k'icyuma kitagira ingeseAgati k'icyuma kitagira ingese1 igice
Ikibaho cy'Igiti GikomeyeIkibaho cy'Igiti Gikomeye1 igice
Udukoni tw'ibiti bikomeyeUdukoni tw'ibiti bikomeye1 igice
Igifunga cya silikoneIgifunga cya silikone1 igice
Ibitorezo by'imashiniIbitorezo by'imashini2 ibice
Ecrou ifunga ifite umuzingo wa nayiloniEcrou ifunga ifite umuzingo wa nayiloni2 ibice

Ibikoresho bikenewe:

Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo GucukuraIbyuma Byinshi byo Gucukura
Ifatiro ry'AmezaIfatiro ry'Ameza
Umucumita w'IbyumaUmucumita w'Ibyuma
Amakariso (Ikariso ry'Intoki)Amakariso (Ikariso ry'Intoki)
Ikusanyirizo ry'ibitoreziIkusanyirizo ry'ibitorezi
8

The build in 3D

FreeCAD model of this build, the near side of the bucket cut away: the notched stays, bar b, the two hinged dashers with their flanges, the crank inside the wall and the two rods, one crossing on a slant. It was checked at eight crank angles.
Dosiye y'IgishushanyoBLENDCC0 - Free
Kuramo icyitegererezo
9

Churn

Pour in about 8 litres of heavy cream at about 15 °C, checked with the thermometer, and set the bar in the notch the notebook gives so the cream barely covers it. Put the lid on and turn the crank steadily; time it. When the butter comes, lift the bar and dashers out, pour off the buttermilk, wash the butter in cold water until it runs clear, work in a pinch of salt and weigh it.

Ibikoresho by'iyi ntambwe:

Igice cy'ibinure cy'amataIgice cy'ibinure cy'amata8 l
Umunyu w'inyanja muniniUmunyu w'inyanja munini1 igice
AmaziAmazi1 igice

Ibikoresho bikenewe:

Igipima ubushyuhe gifite uruti rusigara mu kintuIgipima ubushyuhe gifite uruti rusigara mu kintu
Isaha yo GuhagarikaIsaha yo Guhagarika
Iminzani ya Digitale yo mu GikoniIminzani ya Digitale yo mu Gikoni
Ibakure rinini ryo kuvanga ry'icyuma kitagira ingeseIbakure rinini ryo kuvanga ry'icyuma kitagira ingese
10

Troubleshooting

Butterfly-wing churn troubleshooting.

Flow

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11

History and honest limits

**Josiah Stubbs** of Dublin, Wayne County, Indiana, US 24,673, 5 July 1859, "Churn". He claimed working the butterfly wings with a single crank on one side, the rod g' crossing the cylinder on a slant. He gave no sizes or materials: every size, the notches' spacing and the crank's throw are ours.

Ibikoresho

16

Ibikoresho bikenewe

16

Dosiye z'igishushanyo

2

Iki gishushanyo gikora

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Agateganyo

Amavuta y'inka

Free

198
0
1
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Agateganyo

Amata y'amavuta

Free

72
0

Blueprint zijyanye

Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

Swinging-Tub Partition Churn: Rods to the Still Frame Flap the Dashers as the Hung Tub Swings

Swinging-Tub Partition Churn: Rods to the Still Frame Flap the Dashers as the Hung Tub Swings

na WoodyNO

IBIRIBWA N'IBINYOBWA

2
0
0
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Churning Butter from Cream — The 5,000-Year-Old Fat Separation

Churning Butter from Cream — The 5,000-Year-Old Fat Separation

na TheChefDK

Kera

60
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CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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