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Rumpler 4B

Страна: Германия

Год: 1914

Rumpler - Taube limousine - 1912 - Германия<– –>Rumpler - 4C Taube - 1914 - Германия


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


Rumpler 4B 11
  Virtually a 4A 13 type land machine mounted on a float chassis and used during 1914 for reconnaissance work. The ungainly size and pontoon shape of the floats may be noted. Aircraft of this type were allocated Navy Numbers 49-51 and 86-90. Engine, 100 h.p. Benz Bz I. Span, 13.0 m. (42 ft. 7 7/8 in.). Length, 9.8 m. (32 ft. 1 7/8 in.). Height, 3.52 m. (11 ft. 6 5/8 in.) Weights: Empty, 810 kg. (1,782 lb.). Loaded, 1,030 kg. (2,266 lb.). Sped, 130 km.hr. (81.25 m.p.h.).

Rumpler 4B 12
  A development of the 4B 11 and a seaplane version of the 4A 14. Some eighteen of these aircraft were built and in use in 1915, mainly on reconnaissance and coastal patrol. Navy Numbers: 101-110, 241-243 and 436-440. Engine, 150 h.p. Benz Bz III. Span, 14.5 m. (47 ft. 7 in.). Length, 9.6 m. (31 ft. 6 in.). Height, 3.6 m. (11 ft. 9 3/4 in.). Weights: Empty, 960 kg. (2,112 lb.). Loaded, 1,280 kg. (2,816 lb.).
  Rumpler 4B 13 was the same aircraft but powered with 160 h.p. Gnome rotary.


J.Herris Rumpler Aircraft of WWI (A Centennial Perspective on Great War Airplanes 11)


Early Rumpler Seaplanes
  
  Starting in 1914 Rumpler developed a flying boat that remained a single prototype and a small series of floatplanes developed from the Rumpler 4A13, itself a more powerful development of the Rumpler B.I unarmed two-seat trainer and reconnaissance airplane.
  As was typical of German naval aircraft, there were a number of variations on the basic design with limited production. As the war progressed Rumpler focused on two-seat reconnaissance airplanes for the Army, which purchased almost 20 times more airplanes than the Navy.

Rumpler 4B11, 4B12, & 4B13

  The Rumpler 4B11 and 4B12 were two-seat reconnaissance and training floatplanes based on the Rumpler 4A13 landplane. Both were built in very small numbers for the Navy. The 4B11 was powered by a 100 hp Mercedes D.I. The 4B12 had the more powerful 150 hp Benz Bz.III. The 4B13 was similar except powered by a 160 hp Gnome rotary engine. All three types were conventional wood, wire, and fabric designs typical of their era.


Rumpler 4B Production
Type Qty Marine Numbers
4B11 7 49, 64, 86-90
4B12 31 51, 101-110, 241-253, 436-442
4B13 1 50

J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B11 Marine Number 49.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Rumpler 4B 11
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
The Rumpler 4B12 was powered by a 150 hp Benz Bz.III. The Rumpler 4B series were developments of the 4A13 landplane. This unmarked aircraft may have been the prototype seaplane; it still uses the small rudder of its landplane ancestors while later seaplanes had a larger rudder due to the destabilizing effect of the floats.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12; no Marine Number is visible and the rudder is smaller than production machines, indicating this is the 4B12 prototype.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 Marine Number 252 has yet another fin and rudder design.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 Marine Number 108.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 Marine Number 436.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 Marine Number 250. (The Peter M. Bowers Collection/The Museum of Flight)
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12, Marine Number not known.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 serves as a background for a crew portrait.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12, Marine Number 105, and an FF29 at either Flying Station List or Sylt.
A.Imrie - German Naval Air Service /Arms & Armour/
Mobilization seaplanes on the ramp at Kiel-Holtenau in August 1914. Aircraft identified in this early wartime photograph include: Rumpler 4B11 (150hp Benz) from Warnemunde, Sopwith Bat-Boat 44 (which was never used operationally but merely for short local flights), Friedrichshafen FF19 23 and Albatros B I on floats, which was another machine taken over on the outbreak of war at Warnemunde. All aircraft are carrying red streamers from the bottom wings near the tips for identification purposes and are marked with the Iron Cross type of national insignia.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 in flight.
J.Herris - Rumpler Aircraft of WWI /Centennial Perspective/
Rumpler 4B12 apparently damaged in a landing accident.