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Hansa-Brandenburg W.25

Страна: Германия

Год: 1917

Fighter

Hansa-Brandenburg - W.18 / W.23 - 1917 - Германия<– –>Hansa-Brandenburg - W.19 - 1918 - Германия


O.Thetford, P.Gray German Aircraft of the First World War (Putnam)


Brandenburg W 25
  Further development of K.D.W. single-seat seaplane with normal interplane bracing. Only one example was constructed, No. 2258, first with ailerons on top wing only, later (as illustrated) with ailerons at all wingtips connected by a link strut. Engine, 150 h.p. Benz Bz III. Span, 10.4 m. (34 ft. 1 1/2 in.). Length, 8.8 m. (28 ft. 10 1/2 in.). Height, 3.45 m. (11 ft. 3 7/8 in.). Area, 36.53 sq.m. (395 sq.ft.). Weights: Empty, 918 kg. (2,221 lb.). Loaded, 1,182 kg. (2,600 lb.). Speed, 160 km.hr (100 m.p.h.). Climb, 1,000 m. (3,280 ft.) in 6 1/2 min. Duration, 2 1/2 hr. Armament, two Spandau machine-guns.


W.Green, G.Swanborough The Complete Book of Fighters


BRANDENBURG W 25 Germany

  The last of the Heinkel-designed single-seat fighter float seaplanes built by the Hansa- und Brandenburgische Flugzeug-Werke, the W 25, produced as a single prototype late in 1917, was the final development of the KDW. Reverting to the 150 hp Benz Bz III engine used by the prototype and pre-production KDWs, the W 25 possessed an essentially similar fuselage, but discarded the "star" interplane strut arrangement in favour of normal strut bracing. Initially the prototype flew with ailerons on the upper wing only, but these were subsequently added to the lower wing, each pair being joined at the wingtip by link struts. Armament comprised two synchronised 7,92-mm LMG 08/15 machine guns. Having by this time lost interest in single-seat fighter floatplanes, the German Navy did not foster further development of the W 25.

Max speed, 99 mph (160 km/h).
Time to 3,280 ft (1 000 m), 6.5 min.
Empty weight, 2,024 lb (918 kg).
Loaded weight, 2,606 lb (1182 kg).
Span, 34 ft 1 1/2 in (10,40 m).
Length, 28 ft 10 1/2 in (8,80 m).
Height, 11 ft 3 7/8 in (3,45 m).
Wing area, 393.22 sq ft (36,53 m2).

O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Brandenburg W 25
W.Green, G.Swanborough - The Complete Book of Fighters
Conventional strut bracing was used for the W 25 in place of the previously-favoured "star" strutting.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/