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NFW E.I/E.II

Страна: Германия

Год: 1916

Fighter

NFW - B.I - 1915 - Германия<– –>Naglo - D.II - 1918 - Германия


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


N.F.W. E I
  This small experimental monoplane was built in the spring of 1916 to the plans of Dipl. Ing. Hergt. The twin spars of the ply-covered cantilever wings passed right through the fuselage, the pilot sitting between them. The type was not proceeded with, as the firm found their repair and training school work to be more profitable than aircraft manufacture. Engine, 80 h.p. Oberursel U O. Span, 10.0 m. (32 ft. 9 3/4 in.). Length, 6.5 m. (21 ft. 3 3/4 in.). Area, 15.72 sq.m. (170 sq.ft.). Weights: Empty, 428 kg. (641 lb.). Loaded, 620 kg. (1,364 lb.). Speed, 156 km.hr. (97.5 m.p.h.). Climb, 1,300 m. (4,264 ft.) in 6 min.

N.F.W. E II
  Built during 1917, again to the designs of Hergt, this all wooden monoplane was identical in construction to the E. I, very similar in appearance and fitted with the 160 h.p. Mercedes engine. Again it remained no more than a prototype. Engine, 160 h.p. Mercedes D III. Span. 120 m. (39 ft. 4 1/2 in.). Area, 170 sq, m. (184 sq.ft.). Weights: Empty, 558 kg (1,228 lb.). Loaded, 768 kg. (1,690 lb.). Speed. 180 km.hr. (112.5 m.p.h.) Climb, 2,900 m. (9,512 ft.) in 6.3 min. No photograph available.

N.F.W. Experimental Monoplane
  This machine was virtually the E I with revised tail surfaces.


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


NFW E I Germany

  In the spring of 1916, the National-Flugzeug-Werke built at Johannisthal a single-seat monoplane to the designs of Dipl Ing Hergt. Referred to as the EI (although this is unlikely to have been an official designation) and apparently intended for the fighting role, it was a shoulder wing monoplane of wooden construction. It had a plywood-covered, single-piece, two-spar wing, and the pilot’s cockpit was situated between the spars. The E I was powered by an 80 hp Oberursel U 0 (Gnome) seven-cylinder rotary engine, but no details of its flight testing have survived, development apparently being discontinued in favour of a larger and more powerful monoplane (E II).

Max speed, 97 mph (156 km/h).
Time to 4,265 ft (1300 m), 6.0 min.
Empty weight, 944 lb (428 kg).
Loaded weight, 1,367 lb (620 kg).
Span, 32 ft 9 7/10 in (10,00 m).
Length, 21ft 3 9/10 in (6,50 m).
Wing area, 169.21 sq ft (15,72 m2).


NFW E II Germany

  Although the National-Flugzeug-Werke was largely preoccupied with aircraft repair and flying school operation, in 1917 this concern again built an original single-seat monoplane. To the designs of Dipl Ing Heinrich and completed at Leipzig, this aircraft was of wooden construction and was powered by a 160 hp Daimler D IIIa six-cylinder water-cooled engine. Referred to as the E II, although, again, this is unlikely to have been an official designation, this aircraft progressed no further than a single prototype.

Max speed, 116 mph (186 km/h).
Time to 9,515 ft (2 900 m), 6.3 min.
Empty weight, 1,230 lb (558 kg).
Loaded weight, 1,693 lb (768 kg).
Span, 39 ft 4 1/2 in (12,00 m).
Wing area, 182.99 sq ft (17,00 m2).

W.Green, G.Swanborough - The Complete Book of Fighters
The NFW E I was apparently discontinued in favour of the larger and more powerful E II of 1917.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
N.F.W. Experimental Monoplane
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
N.F.W. E I
W.Green, G.Swanborough - The Complete Book of Fighters
The last original fighter built by the NFW, the E II progressed no further than a prototype.