Hansa-Brandenburg KDW
The Hansa -Brandenburg KDW ( "fight- double-decker water") was a German Navy aircraft in World War I was the designer of the Hansa and Brandenburg aircraft works Ernst Heinkel the KDW -. Should not be confused with the flying boat Hansa -Brandenburg CC, the was also referred to by the Imperial and Royal Navy as KDW -. , 1916 from Hansa -Brandenburg DI fighter aircraft developed with the typical Sternverstrebung to which he attached float and a tail fin and its wingspan he enlarged order to improve the visibility of the pilot, was the distance between the upper wing and fuselage was increased, and small sections were embedded in the lower wing roots. at this time, the Imperial Navy was looking for a seaworthy Jagdeinsitzer to secure their facilities against enemy air attacks.
Total to February 1918 about 60 machines were built in five different production batches, each slightly differed from each other: The first machines were the Benz Bz III engine, the following series, Daimler-Motoren Mercedes D IIIa, the Bz III was reused. In the last series of the Maybach Mb III was fitted with 160 hp. Also a variant W.11 with 200 hp Benz Bz IV engine was built with three copies. In addition, a W.16 with 160 hp U.III rotary motor and a w.25 was tested with conventional braced wing
The KDW operated from mid- 1916, especially on the North Sea and in the Adriatic, where they remained until the war ended in use. However, the machine was already outdated in 1917 and the Albatros W.4 and the Hansa -Brandenburg W.12 inferior.