UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Propeller-and-Spoon Egg Beater: Spoon Arms Break the Swirl
A turning beater soon sets the whole liquid circling with it.
William T. Nicholson of Providence, Rhode Island, received US 32,886, dated 23 July 1861, for an egg beater: a crank wheel with bevelled face teeth turns a pinion and a pair of propeller blades; under the pinion a disk with an elliptic groove rocks two arms ending "in the form of a spoon bill's beak," so "the circling currents occasioned by the blades of the propeller will be broken at regular intervals." It clamps into a socket on a table or lifts out for use by hand.
This rung works out the stroke rates, then prints the crown wheel, pinion, cam and propeller, builds the frame and arms, and times a beating.
Hejuru
About 5 hours, plus printing
Amabwiriza
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Stroke rates
Stroke rates
Gupakira ikaye ya Jupyter…
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A crank wheel and pinion before it
A crank wheel and pinion before it
The embedded blueprint drives two beaters off one wheel. Nicholson drives a propeller and lets a cam rock two spoon arms against its swirl.
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Read US 32,886
Read US 32,886
"To the under side of the pinion E is secured the disk H (Fig. 5,) its lower surface being furnished with an elliptic groove or channel I. Two arms K K pivoted to the handle at c and d extend to the bottom of the propeller blade their lower extremities being in the form of a spoon bill's beak. A projecting ear e, e on each arm is inserted in the elliptic groove I whereby as the propeller shaft F is rotated to which the disk is attached a reciprocating motion is given to each of the arms."
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Print the gears, cam and propeller
Print the gears, cam and propeller
Print the 48-tooth crown wheel, the 12-tooth pinion, the cam disk with its elliptic groove and the propeller. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.
Ibikoresho by'iyi ntambwe:
Fibere ya PETG1 igiceIbikoresho bikenewe:
Imashini icapa 3D ikoresha umugozi (FDM)5
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Print the crown wheel
Print the crown wheel
The crown wheel, printed as step 4 describes.
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6
Print the pinion
Print the pinion
The pinion, printed as step 4 describes.
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7
Print the cam
Print the cam
The cam, printed as step 4 describes.
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8
Print the propeller
Print the propeller
The propeller, printed as step 4 describes.
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Frame and wheel
Frame and wheel
Cut a plywood handle frame. Bolt the crown wheel to it on an M5 screw with a crank near its rim, and drill a bearing for the propeller shaft so the pinion meshes the wheel's face.
Ibikoresho by'iyi ntambwe:
Urupapuro rw'ibiti byometse1 igice
Ibitorezo by'imashini1 igice
Uruziga Rurambuye1 igice
Umupira w'Impande Esheshatu1 igiceIbikoresho bikenewe:
Umucumita w'Imigororwa
Icyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo Gucukura
Isupana ihindurwa10
10
Shaft, cam and propeller
Shaft, cam and propeller
Epoxy the pinion, then the cam under it, on a 5 mm rod through the bearing, and the propeller on the rod's foot.
Ibikoresho by'iyi ntambwe:
Umurongo Uzengurutse w'Icyuma Cyoroshye1 igice
Epoksi y'Ibice Bibiri1 igiceIbikoresho bikenewe:
Umucumita w'Ibyuma
Ifatiro ry'Ameza11
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Spoon arms
Spoon arms
Bend two arms of stainless wire with a spoon-shaped flat at the foot. Pivot each on a screw in the frame either side of the shaft, and bend a short ear on each into the cam's groove.
Ibikoresho by'iyi ntambwe:
Insinga z'icyuma kitagira ingese1 igice
Uruganda rw'igiti #8 x 1"1 igiceIbikoresho bikenewe:
Ikinyuranyo Gifite Impera Zizengurutse
Ipfundo Rifite Umunwa Uringaniye
Ikusanyirizo ry'ibitorezi
Ikigereranyo cya Digitale cy'Amasentimetero 612
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The patent drawing
The patent drawing
US 32,886 drawing sheet, public domain (expired patent).
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With and without the arms
With and without the arms
Beat two egg whites with the arms in the groove and time them to stiff peaks; lift the ears out and repeat with the propeller alone.
Ibikoresho by'iyi ntambwe:
Igi4 ibiceIbikoresho bikenewe:
Ibakure rinini ryo kuvanga ry'icyuma kitagira ingese
Isaha yo Guhagarika14
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Arms that jam, a cam that throws them
Arms that jam, a cam that throws them
Propeller-and-spoon egg beater troubleshooting.
Flow
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History and honest limits
History and honest limits
**William T. Nicholson** of Providence, Rhode Island, received US 32,886, dated 23 July 1861. The grooved disk is set with its longest diameter in the same plane as the propeller blades, so the arms clear the blades; the socket or chair fixes to a table by spurs and one wood screw, its inclined sides grasping the handle, which can be lifted out for use by hand. He claimed the reciprocating beaters combined with a revolving beater.
**Honest limits.** FDM prints hold food in their layer lines, so wash well and replace when worn. A crown wheel and spur pinion stand in for his bevelled wheel, and a plywood frame for his handle and socket. Your times are the result.
Ibikoresho
10- 1 igiceUmwanya
- 1 igiceUmwanya
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- 4 ibiceUmwanya
Ibikoresho bikenewe
13- Umwanya
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Dosiye z'igishushanyo
4Iki gishushanyo gikora
Blueprint zijyanye
Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame
CC0 Umurenge rusange
Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.
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