Mercedes D.IV
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The Mercedes D.IV was an eight-cylinder, liquid-cooled inline
aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...
built by ''
Daimler Motoren Gesellschaft Daimler-Motoren-Gesellschaft (abbreviated as DMG, also known as ''Daimler Motors Corporation'') was a German engineering company and later automobile manufacturer, in operation from 1890 until 1926. Founded by Gottlieb Daimler (1834–1900) and ...
'' (DMG) and used on a small number of German aircraft during
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
.


Design and development

The design was based around the pistons of the ubiquitous D.III 6-cylinder design and developed 162 kW (217 hp), making it a Class IV motor under the '' IdFlieg'' classification system then in use in Imperial Germany. It also employed reduction gearing. When the reliability of the engine proved disappointing, it was supplanted in production by the unrelated six-cylinder
Mercedes D.IVa The Mercedes D.IVa was a German six-cylinder, water-cooled, inline engine developed in 1917 for use in aircraft and built by ''Daimler Motoren Gesellschaft'' (DMG).Gunston 1989, p.101. Design and development The D.IVa replaced the failed Merc ...
. Specifically, the long crankshaft used in extending the original straight-six design to a straight-eight proved susceptible to breakage.


Applications

* AEG C.V * AEG G.III * AEG R.I * AGO C.II *
AGO C.VIII The AGO C.VIII was a German reconnaissance aircraft built by AGO Flugzeugwerke during World War I. Design The C.VIII was a derivative of the AGO C.IV The AGO C.IV was a First World War German biplane reconnaissance aircraft. Development A ...
* Albatros C.V * DFW R.I *
Gotha G.II The Gotha G.II series was a heavy bomber used by the ''Luftstreitkräfte'' (Imperial German Air Service) during World War I. Design and development The Gotha G.II was an entirely new biplane designed by Hans Burkhard, who had previously reworke ...
*
LVG C.IV The LVG C.II was a 1910s Germany, German two-seat reconnaissance biplane designed at the LVG (aircraft manufacturer), Luft-Verkehrs-Gesellschaft for the ''Luftstreitkräfte''. Development The C.II was developed from the LVG B.I, with the pilot a ...


Specifications


See also


References

* Kroschel, Gunter and Helmust Stützer. (1977) ''Die deutschen Militarflugzeuge 1910-1918'' Wilhelmshaven: Lohse-Eissing Mittler.


Further reading

*


External links


wwiaviation.com
{{Mercedes aeroengines Mercedes aircraft engines 1910s aircraft piston engines