BMW IV
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The BMW IV was a six-cylinder, water-cooled inline aircraft engine built in Germany in the 1920s. Power was in the 180 kW range.
Preserved BMW IVa
DFW C.V
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The DFW C.IV, DFW C.V, DFW C.VI, and DFW F37 were a family of German reconnaissance aircraft first used in 1916 in World War I. They were conventionally configured biplanes with unequal-span unstagger
BMW IV
…water-cooled inline aircraft engine built in Germany in the 1920s. Power was in the 180 kW (250 hp) range. On 17 June 1919 Franz Zeno Diemer flew a DFW F37, powered by a BMW IV engine to an unofficial world record height of 9,760 m (32,021 ft) from Oberwiesenfeld, reaching that altitude in 89 minutes…
A DFW C.V and its crew, probably of Bayrische Flieger Abteilung 287 (Bavarian Flying Section 287), 1918
DFW C.V (s/n 5845/16) banking in early morning sunlight. Note the Aviatik trademark on strut, and flares in holder behind observer's cockpit
DFW CV.7888/17. Shot down by French anti-aircraft fire near La Chapelle
The aircraft at the Polish Aviation Museum, Kraków (2013)