Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Sliding-Head Churn Drive: The Churn Rides on the Pulley Head and Stays in Line When the Belt Is Slacked
Joseph Forsyth of Wheeling, Virginia, received US 22,022, dated 9 November 1858, for working a churn by power from a big belt wheel. The pulley head slides along a guide block to tighten or slack the belt, which starts or stops the churn. The churn stands on a carriage fixed to the head, so its shaft stays in line with the pulley's. A platform on four screws raises or lowers different churns to the pulley's height.
This rung builds it full size with a hand-cranked wheel and a rope belt.
Hagati
About 2 days
Amabwiriza
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Speed, rope and slack
Speed, rope and slack
Gupakira ikaye ya Jupyter…
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Churns worked by power, before it
Churns worked by power, before it
Brush worked a dasher from a dog's tread-wheel. Forsyth turns a crank churn by a belt and stops it by slacking the belt.
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Read US 22,022
Read US 22,022
"The nature of my invention consists, first, in combining the carriage D with the movable pulley head H H in such a manner that the said carriage will move with the head when it is required to stop or start the motion of the churn, thereby enabling me to keep the shafts of the pulley, and churn in line."
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Wheel A and posts B
Wheel A and posts B
Cut a plywood disc 1160 mm across and two discs 1200 mm across from 18 mm plywood. Glue and screw a larger disc to each face of the smaller one: the gap between them is the rope groove C. Screw a 160 mm hub block on each side. Stand two 70 mm posts 730 mm tall on 900 mm sills, 150 mm apart, each with two braces. Bolt a flange bearing on each post's outer face, 700 mm up, and run a 30 mm shaft M through bearings, posts and wheel, cross-bolted to the hub.
Ibikoresho by'iyi ntambwe:
Urupapuro rw'ibiti byometse3 ibice
Ikinyabutabire cy'Ibiti1 igice
Uruganda rw'igiti #8 x 1"60 ibice
Ibiti byoroshye bya 70x70 mm4 ibice
Umusumari w'igiti #10 x 3"24 ibice
Beringi ifite flanje2 ibice
Umutambiko w'icyuma wa mm 301 igice
Agatsiko ka bulo z'impande esheshatu M105 ibiceIbikoresho bikenewe:
Umucumita wa Jigsaw
Umucumita w'Intoki
Icyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo Gucukura
Agasanduku k'ibinyo bipfunyitse
Ibifata
Isupana ihindurwa
Igipimo cy'urwego
Umugozi wo Gupima5
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Crank
Crank
How the wheel is turned is not given; ours has a crank. Bolt a hardwood arm 350 x 70 x 30 mm on shaft M outside one bearing and glue a 30 mm dowel 150 mm long into it 280 mm from the shaft as the handle.
Ibikoresho by'iyi ntambwe:
Ikibaho cy'Igiti Gikomeye1 igice
Udukoni tw'ibiti bikomeye1 igiceIkinyabutabire cy'Ibiti1 igiceAgatsiko ka bulo z'impande esheshatu M101 igiceIbikoresho bikenewe:
Umucumita w'IntokiIcyuma Cyivumbura Kidafite InsingaAgasanduku k'ibinyo bipfunyitse
Urupapuro rwo GusyaIsupana ihindurwa6
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Guide block and pulley head
Guide block and pulley head
Screw a 900 mm guide block U of 70 mm timber to the floor in line with the wheel, 1300 mm from shaft M. Lay a 400 mm head block on it. Cut two frames H from 50 x 8 mm flat bar, 420 mm long, and bolt them to the head block's sides so their ends run down the guide block's sides. Bolt a flange bearing on each frame's outer face 400 mm up. Make the pulley O like the wheel: a 200 mm disc between two 240 mm rings. Fit it on a 30 mm shaft through the bearings.
Ibikoresho by'iyi ntambwe:
Ibiti byoroshye bya 70x70 mm2 ibiceUmusumari w'igiti #10 x 3"8 ibice
Umurongo ugororotse w'icyuma cyoroshye2 ibiceAgatsiko ka bulo z'impande esheshatu M104 ibiceBeringi ifite flanje2 ibiceUmutambiko w'icyuma wa mm 301 igiceUrupapuro rw'ibiti byometse1 igiceIkinyabutabire cy'Ibiti1 igiceUruganda rw'igiti #8 x 1"12 ibiceIbikoresho bikenewe:
Umucumita w'Ibyuma
Amakariso (Ikariso ry'Intoki)
Ifatiro ry'AmezaIcyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo GucukuraUmucumita wa JigsawIsupana ihindurwa7
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Strap F and thumb screw E
Strap F and thumb screw E
Bend a 30 x 5 mm flat bar into a bridge over the head block, 80 mm from the frames, and screw its legs to the guide block's sides. Drill its top for an M8 rod, run a nut onto the rod under the strap, and lock a wing nut on top as the thumb screw. Turn it down to clamp the head block.
Ibikoresho by'iyi ntambwe:
Umurongo ugororotse w'icyuma cyoroshye1 igiceUruganda rw'igiti #8 x 1"4 ibice
Inkoni ifite imirongo1 igice
Umupira w'Impande Esheshatu2 ibice
Inoti y'amababa1 igiceIbikoresho bikenewe:
Ifatiro ry'AmezaUmucumita w'IbyumaIcyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo Gucukura8
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Carriage D and platform K
Carriage D and platform K
Bolt two 70 mm side bars, 865 mm long, to the head block's side, 330 mm apart, and join their far ends with a cross tie with a caster under its middle as the roller. Drill each bar twice for M12 rods (screws I), 360 mm apart; fix each rod with a nut above and below the bar. Run a nut down each rod, lay an 18 mm plywood platform 430 x 440 mm on them, and lock it with a second nut on top.
Ibikoresho by'iyi ntambwe:
Ibiti byoroshye bya 70x70 mm2 ibiceAgatsiko ka bulo z'impande esheshatu M104 ibice
Utuziga twizengurutsa1 igiceInkoni ifite imirongo4 ibiceUmupira w'Impande Esheshatu16 ibice
Uruziga Rurambuye8 ibiceUrupapuro rw'ibiti byometse1 igiceIbikoresho bikenewe:
Umucumita w'IntokiIcyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo GucukuraIsupana ihindurwaIgipimo cy'urwego9
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Arm X and the rope belt
Arm X and the rope belt
Bolt a 140 mm flat-bar arm X with a 20 mm slot to a collar on the pulley shaft's end. Stand a crank churn on the platform and raise or lower the platform's nuts until its crank shaft is level with the pulley shaft and its handle V sits in the slot. Splice 12 mm cotton rope into a loop about 5 m long round both grooves (see the notebook), with the head slid towards the wheel.
Ibikoresho by'iyi ntambwe:
Umurongo ugororotse w'icyuma cyoroshye1 igiceAgatsiko ka bulo z'impande esheshatu M101 igice
Ecrou ifunga ifite umuzingo wa nayiloni1 igice
Umugozi munini w'ipamba6 mIbikoresho bikenewe:
Umucumita w'IbyumaAmakariso (Ikariso ry'Intoki)Icyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo GucukuraIsupana ihindurwaUmugozi wo Gupima10
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The build in 3D
The build in 3D
FreeCAD model of this build: the wheel on its posts with the crank, the guide block, pulley head, strap and thumb screw, the carriage with its caster, platform K on its four screws, a stand-in churn and arm X. The rope is not drawn.
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Churn
Churn
Pour about 10 litres of heavy cream at about 15 °C into the churn. Slide the head away from the wheel until the rope is tight and clamp it with the thumb screw. Turn the wheel steadily, about 10 times a minute, and time it. To stop, loosen the thumb screw and slide the head towards the wheel: the carriage and churn move with it. When the butter comes, 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'amata10 l
Umunyu w'inyanja munini1 igice
Amazi1 igiceIbikoresho bikenewe:
Igisabo cyo gucunda amavuta
Igipima ubushyuhe gifite uruti rusigara mu kintu
Isaha yo Guhagarika
Iminzani ya Digitale yo mu Gikoni
Ibakure rinini ryo kuvanga ry'icyuma kitagira ingese12
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Troubleshooting
Troubleshooting
Churn drive troubleshooting.
Flow
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History and honest limits
History and honest limits
**Joseph Forsyth** of Wheeling, Ohio County, Virginia (now West Virginia), US 22,022, 9 November 1858, "Operating Churns". He claimed the carriage D combined with the movable platform K. He gave no sizes, named only the "metallic" frames H, and did not say what turns wheel A or what the belt is: our hand crank, plywood wheel and pulley, cotton rope, timber, bearings, rods and caster are ours.
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