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Gotha WD.7

Страна: Германия

Год: 1916

Twin-engined torpedo aircraft

Gotha - WD.4 / U.W.D. - 1916 - Германия<– –>Gotha - WD.8/WD.28 - 1916 - Германия


В.Обухович, А.Никифоров Самолеты Первой Мировой войны


Компания "Готаэр" по заданию флота сконструировала ряд двухмоторных гидросамолетов. При этом был использован опыт создания бомбардировщиков класса "G", хотя внешне гидросамолеты и значительно отличались от сухопутных машин. Двухмоторный поплавковый биплан W.D. 7 разрабатывался как разведчик и патрульный самолет. Оснащался двигателями Мерседес D.II с тянущими винтами. Отличительной чертой машины было довольно редкое, на то время, разнесенное по концам стабилизатора вертикальное оперение. Стрелок размещался в передней кабине, оснащенной подвижным пулеметом. Всего было произведено 8 самолетов W.D. 7.
  Из-за низких летных характеристик они в основном применялись в учебных отрядах. Известен случай, когда один из гидросамолетов, выполняя патрульный полет, совершил вынужденную посадку на воду вблизи французских кораблей. Экипаж попытался сжечь машину, но не успел.
  

Технические данные Гота W.D. 7
  
Двигатель 2 х Мерседес D.II (120 л. С.)
Размеры:
  размах х длина 16,8 х 11,3 м
Площадь крыльев 55,5 м2
Вес:
  пустого 1275 кг
  взлетный 1785 кг
Максимальная скорость 128 км/ч
Потолок 3500 м
Дальность полета 475 км
Вооружение:
  стрелковое 1 подвижный пулемет
Экипаж 2 чел.


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


Gotha WD 7
  During 1916, eight twin-engined WD 7s were built and used as school machines on which crews practised torpedo-dropping tactics prior to going on to the larger operational aircraft. Engines, two 120 h.p. Mercedes D II. Span, 160 m. (52 ft. 6 in.). Length, 11.3 m. (37 ft. 1 in.). Height, 3.585 m. (11 ft. 9 1/8 in.). Area, 55.5 sq.m. (599 sq.ft.). Weights: Empty, 1,440 kg. (3,168 lb.). Loaded, 1,970 kg. (4,334 lb.). Speed, 136 km.hr. (85 m.p.h.) Ceiling, 4,000 m. (13,120 ft.).


J.Herris Gotha Aircraft of WWI (A Centennial Perspective on Great War Airplanes 6)


Gotha WD7

  The Gotha WD7, Marine Number 119, was ordered on 10 May 1915. Designed by Karl Rosner and A. Klaube and originally intended as a three-seat Kampfflugzeug to attack enemy aircraft, it was powered by two 120 hp Mercedes D.II engines. Assigned to Flandern I at Zeebrugge, the WD7 prototype caught fire in flight on its first combat mission on 5 April 1916 and was forced to ditch. The crew and partly-burned airframe were captured by the French.
  Seven additional WD7 floatplanes were ordered on 24 February 1916. Six, Marine Numbers 670-675, were powered by two 100 hp Mercedes D.I engines and one, Marine Number 676, was powered by two 120 hp Argus As.II engines. Armament was a single Parabellum LMG 14 machine gun in the front turret. These provided training at Apenrade for twin-engine torpedo airplanes. WD7 #671 was at Warnemunde, then went to Flensburg. WD7 #674 eventually was at Norderney, where among its pilots was Flgobmt. Hubrich, a future ace. Two WD7 seaplanes, #675 and #676, were used in weapons trials with 37mm DWN and 20mm Becker aircraft cannons mounted in a modified nose turret.

Gotha WD7 Specifications
Engines: 2 x 120 hp Mercedes D.II (119) 2 x 100 hp Mercedes D.I (670-675) 2 x 120 hp Argus As.II (676)
Wing: Span Upper 16.80 m
Span Lower 14.80 m
Area 55.5 m2
General: Length 11.30 m
Height 3.90 m
Empty Weight 1275 kg
Loaded Weight 1785 kg
Maximum Speed: 128 km/h
Climb: 1000m 9.5 min
2000m 40 min
Service Ceiling: 3500 m
Range: 475 km
Note: Performance specs for #119


Gotha Seaplane Production Summary
Type Ordered Marine Numbers Remarks
WD7 8 119, 670-676 Torpedo trainers

В.Обухович, А.Никифоров - Самолеты Первой Мировой войны
Гота W.D.14
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
The prototype Gotha WD7, Marine #119, in the Gotha factory pond. The WD7 had distinctive tail surfaces with three fins and two rudders with aerodynamic balances at the bottom. The WD7 was designed as a 3-seat Kampfflugzeug meant to destroy enemy aircraft, but by the time the production batch was available that concept was out-moded.
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
Gotha WD7 Marine Number 671 afloat in the Gotha factory pond.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Gotha WD 7
H.Cowin - Aviation Pioneers /Osprey/
Seven of these three seat Gotha WD-7s, 670 to 676, were built as torpedo-dropping trainers during 1916. Powered by two 120hp Mercedes DIIs, the machines had a top level speed of 85mph, while their normal operating range was 295 miles. The aircraft seen here was operated from the Norderney naval seaplane base.
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
Side view of Gotha WD7 Marine Number 674 on a dolley. Power for these aircraft was two 100 hp Mercedes D.Is.
C.Owers - Hansa-Brandenburg Aircraft of WWI. Volume 1 - Landplanes /Centennial Perspective/ (1)
A typical Norderney winter scene with a Brandenburg FB hiding at the waterline with Gotha WD7 MN 674 at left and Brandenburg NW (Gotha WD12 ???) floatplanes
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
The Gotha WD7 prototype afloat.
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
On its first combat mission on 5 April 1916, WD7 Marine Number 119 caught fire in flight and was forced to make an emergency landing. Here it is photographed from a French vessel that captured the crew and partly-burnt airframe.
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
Gotha WD7 #119 after capture. The WD7 was indeed "brought down in flames off the coast of Dunkirk" as written on the photograph but that was due to mechanical failure, not Allied action. WD7 #119 was the subject of a French report in L'Aerophile from where we learn it was doped a very light blue.
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
Gotha WD7
J.Herris - Gotha Aircraft of WWI /Centennial Perspective/
Gotha WD7