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The Argus As I was a four-cylinder, water-cooled, aircraft engine produced in
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Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
by Argus Motoren
''Argus Motoren'' was a German manufacturing firm known for their series of small inverted-V engines and the Argus As 014 pulsejet for the V-1 flying bomb.
History
Started in Berlin in 1906 as a subsidiary of Henri Jeannin's automobile busines ...
from 1911 until about 1913.
The engine saw widespread use in aircraft in pre-war Germany and initially was also sold under the brand name 'Aviatik' of the Automobil und Aviatik AG.''Aviatik-Flugzeuge'', 1911, pp. 18-20 (see also Krzyzan; Steinle. 1989, pp. 86-88)
It also was license produced in France by Automobiles Rossel and sold in France under the brand names 'Aviatik' and 'Aviatic-Rossel' by Louis Clément, the local sales representative of the Automobil und Aviatik AG.
Design and development
The 100 hp Argus As I first can be found in a 1911 brochure of the Automobil und Aviatik AG. It had a bore and stroke of and was rated at 1,250 rpm.Angle. 1921, p. 49, listed as 'Type II' The general design of the engine was the same as the smallerArgus 70 hp
The Argus 70 hp aircraft engine, aka Argus Type I (in common with the Argus 50 hp and not As I) from 1911 was a four-cylinder, water cooled inline engine built by the German Argus Motoren company.
The engine also was license produced in Fran ...
four-cylinder engine.
The engine cylinders were of cast iron, cast in pairs of two cylinders, with the cooling jackets integral in the casting.
There were two overhead valves per cylinder, which were operated via pushrods
A valvetrain or valve train is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture (or air alone for direct-injected engines) ...
and rocker arm
In the context of an internal combustion engine, a rocker arm is a valvetrain component that typically transfers the motion of a pushrod to the corresponding intake/exhaust valve.
Rocker arms in automobiles are typically made from stamped steel ...
s from the camshaft
A camshaft is a shaft that contains a row of pointed cams, in order to convert rotational motion to reciprocating motion. Camshafts are used in piston engines (to operate the intake and exhaust valves), mechanically controlled ignition systems ...
on the left side of the engine.
The intake valves were oriented to the center of each cylinder pair, and their intake ducts were conjoined within the casting into a single external port facing to the left side of the engine.
The intake manifold was made of cast aluminum and a single Cudell-G.A.-carburettor was installed.
The crankcase was made of aluminum and cast in separate upper and lower half parts, with the lower half having four mounting arms cast into it.
Each cylinder pair was fixated to the crankcase by six bolts.
The crankshaft was supported by two outer ball bearings and one intermediate plain bearing.
The camshaft was driven from the crankshaft by spur gears at the control end.
The engine had one or two spark plug
A spark plug (sometimes, in British English, a sparking plug, and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air ...
s per cylinder and a single Bosch-magneto located at the control side of the engine, driven from the crankshaft via an intermediate spur gear.
The coolant was circulated by a centrifugal water pump which was installed on the carburettor side and driven from the camshaft gear.
Applications
* Aviatik P 13 * Euler Taube * Jeannin Stahltaube 1912/13Krzyzan; Steinle. 1989, pp. 34–35, 40–41 *LVG B.I
The LVG B.I was a 1910s German two-seat reconnaissance biplane designed by Luft-Verkehrs-Gesellschaft for the ''Luftstreitkräfte''.
Development
LVG had been involved in the operation of dirigibles before it started design, in 1912, of the comp ...
*Rumpler Taube
The Etrich ''Taube'', also known by the names of the various later manufacturers who built versions of the type, such as the Rumpler ''Taube'', was a pre-World War I monoplane aircraft. It was the first military aeroplane to be mass-produced in ...
*Sikorsky Russky Vityaz
The Sikorsky Russky Vityaz (russian: link=no, Русский витязь), or Russian Knight (S-21), previously known as the Bolshoi Baltisky (russian: link=no, Большой Балтийский) ''(The Great Baltic)'' in its first four-eng ...
*Sikorsky Ilya Muromets
The Sikorsky ''Ilya Muromets'' (russian: Сикорский Илья Муромец) (Sikorsky S-22, S-23, S-24, S-25, S-26 and S-27) were a class of Russian pre-World War I large four-engine commercial airliners and military heavy bombers used ...
Smithsonian Institution NASM, ''Milestones of Aviation'', 1995, Chapter: FARTHER: The Quest for Distance, by Terry Gwynn-Johns, pp. 25–27Military Factory: ''Sikorsky II'ya Murometz''/ref>
Specifications
See also
References
Bibliography
* * * * * * * * * * {{aeroengine-specs Argus aircraft engines 1910s aircraft piston engines