Outboard motor

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OBJECT TYPE
2 CYL/2.5 HP
DATE
1925
ARTIFACT NUMBER
1968.0091.001
MANUFACTURER
JOHNSON MOTOR CO.
MODEL
A-25
LOCATION
South Bend, Indiana, United States of America

More Information


General Information

Serial #
30387
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
METAL/ BRASS/ RUBBER GRIP & SPARK PLUG CONNECTOR HOODS/ PLASTIC FUEL LINES/ CERAMIC SPARK PLUGS/ SYNTHETIC KILL BUTTON

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
48.2 cm
Width
30.3 cm
Height
89.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Marine Transportation
Category
Motive power
Sub-Category
N/A

Manufacturer

AKA
JOHNSON MOTOR
Country
United States of America
State/Province
Indiana
City
South Bend

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
The Johnson brothers crafted their first marine engine in a barn in Terre Haute, IN, in 1908. The company’s first outboard motor, a 2-hp twin-engine made of lightweight aluminum alloys, was produced on December 19, 1921. On May 8th, 1928, Canadian Johnson Motor Company Limited established its first location in Peterborough, Ontario. The manufacturing and assembly operations were initially located on the site of the present-day Canadian Canoe Museum. In 1935 Outboard Marine Corporation (OMC) bought the company. OMC was already an amalgamation of three merged companies (ELTO, Evinrude and another competitor) by the time it had bought the Johnson Motor Company. By 1959, the company had expanded to over 400, 000 square feet and was providing employment to over 1600 people. En 1908 Les frères Johnson ont fabriqué leur premier moteur marin en Terre Haute, IN. En décembre 1921 ils ont fabriqué un moteur à combustion à deux cylindres avec une puissance de deux qui étaient construits avec de l'alliage d'aluminium légère. Le 8 Mai, 1928 la compagnie nommée Canadian Johnson Motor Company Limited a établi une usine à Peterborough. L'usine était située ou le Musée des Canoës du Canada est installé aujourd'hui. En 1935 Outboard marine Corporation (OMC) a acheté la compagnie. OMC faisait déjà parti d’une fusion de trois compagnies (Elto, Evinrude et un autre compétiteur) quand ils ont acheté la compagnie Johnson Motor. Rendu en 1959 la compagnie avait eu tellement de succès qu'il avait plus de 1600 employées et a augmenté son usine a 400,000 pieds carrés.
Function
This artifact functions as a small internal combustion 2-cylinder 14 Horsepower engine. This artifact can be attached to the stern of a small boat. Cet artefact est conçu pour être attaché à la poupe d'un petit bateau. L'objet est un moteur à combustible qui a deux cylindres et un moteur avec une Puissance de 14.
Technical
In outboard engines, fuel and air are burned in a closed space, known as the cylinder; this burning process generates hot gasses that try to expand. The only way for the hot gasses to expand is by pushing the piston downward; the piston is connected to a rod, which is linked to the crankshaft. The crankshaft converts the piston’s downward motion into a rotating motion of the shaft. Two-stroke engines are known for their simplicity and affordability. They are lightweight and compact, but oil is mixed with the fuel to lubricate the internal parts and during the combustion process. Some of the fuel mixture from that process escapes with the exhaust, resulting in wasted fuel making them less fuel-efficient and also noisier as well as posing risks in the form of water pollution. Evinrude’s prototype motor had some key features that have been replicated in almost every outboard motor since; the engine was mounted on a bracket that could be clamped to the back of a boat, allowing it to swivel and provide steering. Des moteurs hors-bord brule du carburant avec de l'air dans un cylindre. Ce processus va générer des gazes réchauffées qui essayent d'agrandir. La seule façon pour l'expansion des gazes dans un environnement restreinte est de pousser le piston vers le bas. Ce piston est connecté à une tige qui est liée à un arbre moteur. L'arbre moteur converti la mobilité descendante du piston a une motion de rotation. Les moteurs à deux temps sont connus pour leur simplicité et leur faible prix. Y sont légers et compactes mais l'huile est mélangée avec le carburant pour lubrifier les composantes à l'interne du moteur. Ceci fait en sorte que le mélange va s'échapper pendant le processus de combustion et les rendre moins efficace et plus bruyant en plus de polluer nos eaux. Le moteur prototype créé par Evinrude avait des fonctions essentielles qui ont été imitées dans quasiment chaque moteur hors-bord depuis sa conception. Le plus notable de ces caractéristiques était l'idée de monter le moteur sur le dos d'un bateau avec un support pour permettre au moteur de pivoter et améliorer la navigation du bateau.
Area Notes
Unknown

Details

Markings
RAISED CAST ON TOP OF FLYWHEEL READS: 'MODEL A-25/ SOUTH BEND/ IND. U.S.A./ JOHNSON/ 30387/ SERIAL NO./ MOTOR CO', ALL NUMBERS INCISED/ RAISED CAST ON CARBURETOR? READS: 'JOHNSON/ MOTOR CO/ SOUTH BEND/ IND./ MODEL-O'
Missing
N/A
Finish
POLISHED OR SILVER PAINTED METAL/ BRASS REVEALED BENEATH WORN PLATE ON BRACKET HANDLE CONNECTS TO/ WHITE HANDLE
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

JOHNSON MOTOR CO., Outboard motor, circa 1925, Artifact no. 1968.0091, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0091.001/

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