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Rumpler C.VII

Страна: Германия

Год: 1917

Long-range reconnaissance and photo-reconnaissance in Rubild model

Rumpler - C.IX - 1917 - Германия<– –>Rumpler - C.VIII - 1917 - Германия

В.Кондратьев Самолеты первой мировой войны


  Для выполнения задач стратегической фоторазведки Эдмунд Румплер установил на C-IV наиболее высотный немецкий мотор "Майбах" с повышенной степенью сжатия. Благодаря этому практический потолок достиг рекордной величины 7300 метров. Для работы на такой высоте пилот и летнаб получили кислородные приборы и комбинезоны с электрообогревом. Фотосъемка осуществлялась автоматическим фотоаппаратом "Герц" с электроприводом. Самолет получил обозначение C-VII и название "Рубильд" (сокращение от "Румплер-фотограф").
  В последние недели войны "Рубильды", недоступные для вражеских зениток и истребителей, доставили в немецкие штабы немало ценной развединформации. Но на фоне катастрофически ухудшающегося положения Германии это уже не имело никакого значения.
  "Майбах", 240 л.с. (C-VII).
  1 турельный "Парабелум", а также - до 100 кг бомб.
  Размах, м 12,7
  Длина, м 8,4
  Сухой вес, кг 1050
  Взлетный вес, кг 1630
  Скорость максимальная, км/ч 175
  Время набора высоты, м/мин 2000/5
  Потолок, м 7300

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

Rumpler C VII and Rubild

  Development of the highly successful Rumpler C IV resulted eventually in the appearance, in late 1917, of the C VII, with still further improved altitude performance. This aircraft was fitted with the "super compressed" (high-compression) 240 h.p. Maybach engine. Although the actual horsepower rating was lower than that of the 260 h.p. Mercedes, the power fall-off at extreme altitudes was much lower, and it was at such heights that the power ratio was seen to advantage. The intermediate C V was actually a development of the C III, and there appears to be no record of a C VI.
  Two versions of the Rumpler C VII existed; the standard machine was used for long-distance reconnaissance and fitted with radio and normal armament of one fixed and one manually operated machine-gun. A special photo-reconnaissance version was known as the C VII (Rubild) and was fitted with specialised camera equipment for most advantageous use at peak altitudes. This model dispensed with the forward gun and ammunition, and all extraneous equipment was kept to a minimum. It was the Rumpler C VII (Rubild) that was the really high-flying Rumpler which often featured in Allied combat reports, and which proved almost impossible to intercept. Its ceiling was in the region of 24,000 ft., and even at 20,000 ft. a speed of 100 m.p.h. could be maintained a superb performance for the period.
  In construction the C VII was almost identical to the C IV and differed only in detail. It was marginally smaller in overall dimensions than the CIV, but the only certain visual identification was by the exhaust manifold, which exhausted sideways to starboard and not upwards as on the earlier machine. The fuselage, as in the C IV, had a basic structure of timber with steel-tube spacers in the forward half of the fuselage. Nose-entry was not so sleek, as spinners were not fitted to C VIIs, simply a bulbous metal panel immediately behind the airscrew. Tail surfaces were of steel-tube framing and retained the earlier profile with the distinctive "wing-nut" profile horizontal surfaces. The reverse camber was still featured, and plain elevators were fitted instead of balanced as formerly.
  Again the wings were as the C IV, but with a reduction of just over 4 1/4 in. in span, a slight increase in chord, however, gave a net increase in area of 1 sq.ft.! Unbalanced ailerons of steel-tube framing were fitted, and all interplane struts and centre-section cabane were interchangeable with those of the C IV. A slightly longer undercarriage chassis gave an increase in height of about 5 1/4 in., which permitted the fitting of airscrews of increased diameter.
  Instances of the efficient performance of these Rumpler machines are cited in reports by Major J. B. McCudden, V.C., 15th December 1917:
  "I dived on him from 19,800 feet for the Hun was at 19,000 feet. I closed on him and opened fire, but as I had mis-judged my speed and was overshooting, I had to turn to avoid running into him. I caught up with him again, but could not defeat him for the pilot was good and gave his gunner every opportunity, and I had to leave him very soon."
  Again on 23rd December 1917:
  "After 15 minutes I got up to his level at 18,200 feet over Peronne. He now saw me and climbed for a little while trying to outclimb me, but he could not for my machine was still going up well; but had we both been at 19,000 feet he could have done so for the Rumplers at 20,000 feet are extremely efficient with their heavily cambered wing, whereas the S.E. 5 at that height, although it is fast, has not much climb on account of its flat wing section. However I was now up at the Rumpler's height and he tried to run for it.
  "I soon got into position but found he was every bit as fast as I was although I was able to keep up with him because he swerved to allow his gunner to fire at me and lost a certain amount of speed. I fought him down from 18,000 feet to 8,000 feet and he tried hard to save his life but after a final burst from both my machine-guns his right hand wings fell off and I very nearly flew into them."
  As may be seen from the first combat, success did not always attend McCudden, and he again failed to get a Rumpler at 19,500 ft. on 3rd January 1918, reporting:
  "I encountered a Rumpler over Bullecourt and fought him a long way east of his lines, but he was an old hand and saved his height instead of losing it and at last I had to leave him for we were now over Douai at 18,000 feet. Here I turned back, for a lucky shot from him might have disabled my engine and have caused me to come down."
  The general immunity of the Rumplers to attack above 18,000 ft. is reflected in the comment by Major McCudden:
  "I expect some of those Huns got a shock when they came over at 18,000 feet a n d were dived upon by an S.E. from above, for in winter it was an exception to the rule to see an S.E. above 17,000 feet, which was the ceiling of the average 200 h.p. S.E. with its war load. My machine had so many little things done to it that I could always go up t o 20,000 feet whenever I liked, and it was mainly the interest I took in my machine which enabled me to get up so high."

  Description: Long-range reconnaissance and photo-reconnaissance in Rubild model.
  Manufacturer: Rumpler Flugzeug-Werke G.m.b.H. Johannisthal (Ru.).
  Power Plant: One 240 h.p. Maybach Mb IV 6 cylinder in-line water-cooled engine.
  Dimensions: Span, 12 55 m. (41 ft. 2 1/8 in.). Length, 8.2 m. (26 ft. 10 7/8 in.). Height, 3.39 m. (11 ft. 1 3/8 in.). Area, 33.6 sq.m. (363 sq.ft.).
  Weights: Empty, 1,050 kg. (2,310 lb.). Loaded, 1,485 kg. (3,267 lb.).
  Performance: Climb, 1,000 m. (3,280 ft.) in 2.3 min., speed 175 km.hr. (109.375 m.p.h.); 2,000 m. (6,560 ft.) in 4.3 min.; 3,000 m. (9,840 ft.) in. 8.0 min.; 4,000 m. (13,120 ft.) in 130 min.; 5,000 m. (16,400 ft.) in 21.5 min.; 6,000 m. (19,680 ft.) in 33.0 min, speed 160km.hr. (100 m.p.h.); 7,000 m. (22,960 ft.) in 50.0 min.; Service ceiling 23,944 ft. Duration, ca. 3 1/2 hr.
  Armament: One fixed Spandau machine-gun forward and one manually operated Parabellum machine-gun in rear cockpit. C VII (Rubild) had no forward armament fitted.

  Latest information (Feb. 1970) researched by Peter Grosz from Rumpler documents obtained from the late A. R. Weyl collection would indicate that the Rubild was, in fact, the C VI. There was no outward means of identification.

O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Rumpler C VII.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
Rumpler C VII.
Журнал - Flight за 1918 г.
The C. IV-type Rumpler biplane fitted with a 250 h.p. Maybach engine.
A.Imrie - German Naval Air Service /Arms & Armour/
This Rumpler C VII, C8179/17, was on the strength of the Seefrontstaffel (Seefrosta). Flown by Leutnants Voigt and Rowehl, it carried out many long-range reconnaissance flights, some of over three hours' duration, extending to the English coast, into the Thames Estuary and the Channel. Undertaken in conditions of good visibility, such forays gathered much information concerning shipping movements, especially activities on the coastal explosive mine net barrages that protected the safe lanes used by Allied shipping.
Журнал - Flight за 1918 г.
The 300 h.p.Maybach engine, installed in the Rumpler C.4 biplane.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/
An interesting collection of two-seaters, typifying the equipment of 1917-18. In the foreground is a Rumpler C IV, the other aircraft being a Rumpler C VII, a Hannover CL IIIa and a D.F.W. C V.
O.Thetford, P.Gray - German Aircraft of the First World War /Putnam/