Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Atmospheric Barrel Churn: Reversed Concave Dashers Close to the Staves, Fresh or Warmed Air Piped to the Middle
Henry Rohrer of Strasburg township, Pennsylvania, received US 26,377, dated 6 December 1859, for improvements to the common barrel churn, which he named the "Champion atmospheric churn". Four concave, tapering dashers run close to the staves with their wide and narrow ends alternating, so they rub as well as beat. Two tubes through the rear head let fresh air into the middle and steam and musty air out; in winter a funnel-mouthed pipe set near a hot stove brings warm air instead.
The patent gives no sizes; every size here is ours.
Hagati
About 2 days, plus printing
Amabwiriza
1
1
Rohrer's temperatures, and the dashers' sweep
Rohrer's temperatures, and the dashers' sweep
Gupakira ikaye ya Jupyter…
2
2
Air into the cream, three weeks before
Air into the cream, three weeks before
Clow pumped air in at the bottom. Rohrer lets it in by pipes alone, warmed from the stove when needed.
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3
Read US 26,377
Read US 26,377
"The concaved, tapering sides of the dashers with the wide end of the one followed by the narrow end of the other in its revolutions, produces side eddies as well as being beaten and partially retained by the concaved side; thus a thorough mixing is produced, while a constant supply of fresh air is admitted through the pipe G to the center of the churn"
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4
Print the step F
Print the step F
A raised open step 80 x 80 mm and 55 mm deep, open at the sides, with a 17 mm socket for the rear pivot. PETG, 0.2 mm layers, 40 % infill, 4 walls.
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5
Barrel A, base B and hatch
Barrel A, base B and hatch
Use a wooden barrel about 450 mm long inside, 320 mm across at the heads. Cut a 120 mm hatch in the bilge with a hardwood lid. Bore the front head 17 mm in its centre for the shaft. Bore the rear head 21 mm in its centre for tube K and 21 mm 120 mm above it for tube I. Make a cradle of two shaped hardwood saddles on a base board so the barrel lies level. Fill the barrel with water overnight so it swells tight, then empty it.
Ibikoresho by'iyi ntambwe:
Igitebo cy'igiti1 igice
Ikibaho cy'Igiti Gikomeye2 ibice
Ikinyabutabire cy'Ibiti1 igice
Imisumari y'ibiti12 ibiceIbikoresho bikenewe:
Umucumita wa Jigsaw
Ikirangamurongo
Icyuma Cyivumbura Kidafite Insinga
Agasanduku k'ibinyo bipfunyitse
Ikimasa cyo ku meza
Igifashe cy'inkoni
Umugozi wo Gupima
Amazi6
6
Dashers D and crosses E
Dashers D and crosses E
Shave four hardwood dashers 400 mm long, tapering from 70 to 35 mm wide, with a 20 mm deep concave face on the inner side and the outer edge left straight. Make two crosses of hardwood 15 x 24 mm, 290 mm across, and screw the dashers to their ends, outer edges 150 mm from the centre, the wide ends alternately at the front and the rear. Fix the front cross on a 16 mm stainless shaft through the front head with a crank C outside, and a 16 mm pivot on the rear cross's centre.
Ibikoresho by'iyi ntambwe:
Ikibaho cy'Igiti Gikomeye2 ibiceImisumari y'ibiti16 ibice
Agati k'icyuma kitagira ingese1 igice
Shaft Collar2 ibice
Udukoni tw'ibiti bikomeye1 igiceIkinyabutabire cy'Ibiti1 igiceIbikoresho bikenewe:
Ikirwanya gifite imifatiro ibiriIkimasa cyo ku mezaIcyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo Gucukura
Umucumita w'Ibyuma
Amakariso (Ikariso ry'Intoki)
Ikusanyirizo ry'ibitorezi
Urupapuro rwo GusyaUmugozi wo Gupima7
7
Step F, tubes I and K, pipes G and H
Step F, tubes I and K, pipes G and H
Screw the printed step over the rear head's centre hole, its socket on the axis. Seal two 20 mm stainless tubes, 70 mm long, through the rear head: K in the centre under the step, I above it. Make the atmospheric pipe G: an upright stainless tube open at its top, joined to I and K by short tubes and elbows. For winter make pipe H: a stainless funnel, mouth m, on a tube to K, with a tee on the tube from I open as the vent l; set the funnel near a warm stove, never on it, and use silicone tube for the joints.
Ibikoresho by'iyi ntambwe:
Umuyoboro w'icyuma kitagira ingese2 ibice
Umuyoboro wa Silikone1 igice
Iyunguruzo ry'icyuma kitagira ingese1 igice
Igifunga cya silikone1 igiceImisumari y'ibiti4 ibice
Fibere ya PETG1 igiceIbikoresho bikenewe:
Imashini icapa 3D ikoresha umugozi (FDM)Umucumita w'IbyumaAmakariso (Ikariso ry'Intoki)
Itara rya Propane
Ifatiro ry'Ameza
Uturindantoki twihanganira ubushyuheIkusanyirizo ry'ibitorezi8
8
The build in 3D
The build in 3D
FreeCAD model of this build, the barrel, heads and cradle cut through the middle: the four alternately reversed dashers on their two crosses, the shaft and crank, the step F on the rear head over tube K, tube I, and the atmospheric pipe G outside. The frame was turned through a quarter turn.
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9
Churn
Churn
Fill the barrel about half full with heavy cream, about 15 litres. Bring it to 15-18 °C, checked with the thermometer; in winter put pipe H on with its funnel near the warm stove, otherwise pipe G. Close the hatch and turn the crank steadily, timing it. When the butter comes, open the hatch, take out the butter, drain the buttermilk, wash the butter in cold water until it runs clear, salt and weigh it.
Ibikoresho by'iyi ntambwe:
Igice cy'ibinure cy'amata15 l
Umunyu w'inyanja munini1 igiceAmazi1 igiceIbikoresho bikenewe:
Igipima ubushyuhe gifite uruti rusigara mu kintu
Isaha yo Guhagarika
Iminzani ya Digitale yo mu Gikoni
Ibakure rinini ryo kuvanga ry'icyuma kitagira ingese10
10
Troubleshooting
Troubleshooting
Atmospheric barrel churn troubleshooting.
Flow
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11
History and honest limits
History and honest limits
**Henry Rohrer** of Strasburg township, Lancaster County, Pennsylvania, US 26,377, 6 December 1859, "Churn". He knew of other ways of bringing air to cream, and claimed the tubes I, K in the rear head with the pipes G and H, mouth m, partition l and tubes L, M, with the dashers D on an open step F. He says he "tested in my own buttery to my entire satisfaction". The patent gives no sizes; every size here is ours. His temperatures, 60 to 65 °F, are 15.6 to 18.3 °C.
Ibikoresho
15- 1 igiceUmwanya
- 2 ibiceUmwanya
- 2 ibiceUmwanya
- 32 ibiceUmwanya
- Umwanya
- 2 ibiceUmwanya
- 1 igiceUmwanya
- Umwanya
- 1 igiceUmwanya
- Umwanya
- 1 igiceUmwanya
- 1 igiceUmwanya
- Umwanya
- 1 igiceUmwanya
- 1 igiceUmwanya
Ibikoresho bikenewe
22- 1 vendor sell this, none ship to you yetUmwanya
- Umwanya
- 1 vendor sell this, none ship to you yetUmwanya
- 1 vendor sell this, none ship to you yetUmwanya
- Umwanya
- 1 vendor sell this, none ship to you yetUmwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Dosiye z'igishushanyo
2Iki gishushanyo gikora
Blueprint zijyanye
Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame
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CC0 Umurenge rusange
Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.
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