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Hansa-Brandenburg L 14

Страна: Германия

Год: 1917

Fighter

Hansa-Brandenburg - C.II / K - 1917 - Германия<– –>Hansa-Brandenburg - L 15 - 1917 - Германия


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


Brandenburg L 14
  Built in 1917 for assessment by the German Air Force, this single-seater was obviously a development of the Austrian Brandenburg D I. Only a single prototype was produced. Engine, 200 h.p. Hiero. Span, 10.2 m. (33 ft. 5 5/8 in.). Length, 7.05 m. (23 ft. 1 3/4 in.). Area, 25.58 sq.m. (276 sq.ft.). Weights: Empty, 740 kg. (1,628 lb.). Loaded, 940 kg. (2,068 lb.).


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


BRANDENBURG L 14 Germany

  A derivative of the KD (D I) with larger overall dimensions, simplified interplane bracing and a 200 hp Hiero six-cylinder water-cooled engine, the L 14 single-seat fighter was evaluated by the Austro-Hungarian air arm in 1917, but was not accepted for series production. Two prototypes were built and flown, these differing primarily in the arrangement of the interplane bracing struts employed, and intended armament was twin 8-mm Schwarzlose synchronised machine guns.

Max speed, 112 mph (180 km/h).
Time to 3,280 ft (1 000 m), 4.0 min.
Empty weight, 1,631 lb (740 kg).
Loaded weight, 2,072 lb (940 kg).
Span, 33 ft 5 1/2 in (10,20 m).
Length, 23 ft 1 1/2in (7,05m).
Wing area, 272.12 sqft (25,28 m2).


C.Owers Hansa-Brandenburg Aircraft of WWI Vol.1: Landplanes (A Centennial Perspective on Great War Airplanes 17)


Type L 14
  
  The L 14(21) was developed in 1917 for the Austro-Hungarian Army in response to a request to reduce the weight of the D.I fighter.(22) Its D.I ancestry was evident in the fuselage. It was of sesquiplane layout, apparently due to Nieuport influence, with conventional interplane struts of the vee variety rather than the star struts of the D.I. The wings and fuselage followed normal Brandenburg construction methods with a ply-covered fuselage and fabric-covered wooden wings. The single prototype, 60.58, underwent testing in February 1917 and required extensive modification. Transferred to Phonix, it was placed in storage until the end of the war whereupon it is presumed to have been destroyed.(23)
(21) Initially called the Type LKD.
(22) Gray & Thetford state that the L 14 was built for assessment by the German Army; however, P.M. Grosz notes that it was built to an Austro-Hungarian requirement.
(23) Green and Swanborough state that two machines were built, these differing in the interplane bracing.


Brandenburg Type L 14 Specifications
Source Typenschau Gray & Thetford Brandenburg 3-View PMG Data 60.58 (2nd Version)
Span, m 10.20/8.35 10.2 10.200/8.350 10.20/8.35
Length, m - 7.05 7.055 7.06
Chord, Upper, m - - 1.700 1.70
Chord, Lower, m - - 1.400 1.40
Wing Area, m2 - 25.58 25.58 25.58
Empty Wt., kg - 740 - 740
Loaded Wt., kg - 940 - 940
Speed, km/h - - - 203
Time to 2000 m 3 min - 4 min 8 sec 3 min 30 sec
Motor 200-hp Hiero 200-hp Hiero 200-hp Hiero 200-hp Hiero


E.Hauke, W.Schroeder, B.Totschinger Die Flugzeuge der k.u.k. Luftfahrtruppe und Seeflieger 1914-1918


60. Flugzeuge der Ungarischen Flugzeugfabrik A.G. (Ufag) Budapest und Hansa Brandenburgische Flugzeugfabrik Brandenburg/Briest
60.58 Brandenburg DD (Type L 14) H 200

C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
The L 14 as first built and flown at Briest in February 1917. Performance testing occupied the following March, but results were generally unimpressive despite the pleasing lines of the prototype fighter.
C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
The L 14 as first built and flown at Briest in February 1917.
Форум - Breguet's Aircraft Challenge /WWW/
Brandenburg L14 (Type LKD) during evaluation at Aspern in 1917 marked as 60.58.
C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
The modified L14. The outer wing structure had to be strengthened as wing tip vibration on the prototype was severe. The machine was reconstructed following a landing where the tail skid collapsed, badly damaging the fuselage and tailplane.The outer wing structure was strengthened to eliminate the severe wing tip vibration and the position of the struts was changed along with a new tail assembly and strengthened engine bearers. The modified L 14 was given the serial 60.58. Intended armament was twin 8-mm Schwarzlose synchronised machine guns.
C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
Brandenburg C.II 66.51 on the Phonix airfield with Phonix fighter prototype 60.58, the L 14.
E.Hauke, W.Schroeder, B.Totschinger - Die Flugzeuge der k.u.k. Luftfahrtruppe und Seeflieger 1914-1918
Brandenburg L 14 60.58
C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
Brandenburg Type L 14 Factory Drawing
C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
Brandenburg L 14