Hansa-Brandenburg C.I

The Hansa-Brandenburg C.I, also known as Type LDD, was a 2-seater armed single-engine reconnaissance biplane designed by Ernst Heinkel, who worked at that time for the parent company in Germany. The C.I had similarities with the earlier B.I (Type FD, also designed by Heinkel), including inward-sloping interplane bracing struts. Like other early-war Austro-Hungarian reconnaissance aircraft, such as C-types of Lloyd or Lohner, the Type LDD had a communal cockpit for its crew.

Hansa-Brandenburg C.I
Role Reconnaissance aircraft
Manufacturer Hansa-Brandenburg
Designer Ernst Heinkel
Introduction 1916
Primary users Austro-Hungarian Imperial and Royal Aviation Troops
Polish Air Force
Number built 1318

The C.I served in the Imperial and Royal Aviation Troops in visual- and photographic reconnaissance, artillery observation and light bombing duties from early spring 1916 to the end of World War I. The aircraft had good handling characteristics, and steady introduction of more powerful engines in successive production batches (see below) enabled the improvement of performance and thus the continuing front-line service.

Armament of the type consisted of a free-firing 8 mm (0.315 in) Schwarzlose machine gun at the rear for the observer, and at least in some aircraft for the pilot there was also a similar fixed, non-synchronised forward-firing gun in a pod above the top wing. This latter weapon was replaced in later production examples by a synchronised 8 mm (0.315 in) Schwarzlose gun on the port side of the fuselage. The normal bomb load for the C.I was 60 kg (130 lb), but some aircraft could carry one 80 kg (180 lb) and two 10 kg (22 lb) bombs.

Production

Data from Austro-Hungarian Army Aircraft of World War One[1] In addition to 84 aircraft built by Hansa-Brandenburg, Phönix Flugzeugwerke (400 C.I(Ph)), Ungarische Flugzeugfabrik A.G. (834 C.I(U)) and Aero (A-14, A-15, A-26) also made the type under licence in the following batches:

Phönix
(Brandenburg C.I(Ph))
  • Series 23 and 26 with 120 kW (160 hp) Austro-Daimler
  • Series 27 with 140 kW (190 hp) Austro-Daimler
  • Series 29 with 160 kW (210 hp) Austro-Daimler
  • Series 29.5, 129, 229 and 329 with 150 kW (200 hp) Hiero 6
  • Series 429 with 170 kW (230 hp) Hiero 6
Ufag
(Brandenburg C.I(U))
  • Series 61, 64, 67 and 68 with 120 kW (160 hp) Austro-Daimler
  • Series 63 with 120 kW (160 hp) Mercedes D.III
  • Series 269 with 150 kW (200 hp) Austro-Daimler
  • Series 69 with 150 kW (200 hp) Hiero
  • Series 169 with 160 kW (210 hp) Benz Bz.IVa
  • Series 369 with 170 kW (230 hp) Hiero
Aero (Czechoslovakia) post-war
Poland (post war)
  • In 1919-1920, fifteen aircraft, differing in construction and engines, were assembled by the Poles in Lviv RPL-III workshops, and then in 1920-1924 some fifteen were made in Kraków workshops (known locally as Brandenburg K).[2]

Operational history

After World War I, in 1918, 22 original Hansa-Brandenburg C.I seized by the Poles were among the first aircraft of Polish Air Force. According to some publications, it was the first Polish aircraft to perform a combat flight on 5 November 1918, flown by Stefan Bastyr[3] (others claim he flew Oeffag C.II[4]). They were used in Battle of Lemberg and then Polish–Ukrainian War and Polish–Soviet War.[5] Approximately 30 more aircraft were assembled or built by the Poles afterwards in Lviv and Kraków.[2]

Operators
 Austria-Hungary
 Poland
 Czechoslovakia
 Kingdom of Yugoslavia

Specifications (Brandenburg C.I(Ph) Series 23)

Data from Austro-Hungarian Army Aircraft of World War One[1]

General characteristics

  • Crew: 2
  • Length: 8.35 m (27 ft 5 in)
  • Upper wingspan: 13.2 m (43 ft 4 in)
  • Lower wingspan: 11.37 m (37 ft 4 in)
  • Height: 32.33 m (106 ft 1 in)
  • Wing area: 40.9 m2 (440 sq ft)
  • Empty weight: 860 kg (1,896 lb)
  • Gross weight: 1,235 kg (2,723 lb)
  • Powerplant: 1 × Hiero 6 water-cooled in-line piston engines, 108 kW (145 hp)
  • Propellers: 2-bladed fixed pitch wooden propeller

Performance

  • Maximum speed: 110 km/h (68 mph, 59 kn)
  • Service ceiling: 5,800 m (19,000 ft)
  • Time to altitude: 1,000 m (3,300 ft) in 10 minutes 40 seconds

Armament

  • Guns: 1 or 2 × 8 mm (0.315 in) Schwarzlose MG M.07/12 machine gun(s)
  • Bombs: up to 100 kg (220 lb) of bombs

See also

Aircraft of comparable role, configuration, and era

References
  1. Grosz, Peter M.; Haddow, George; Scheiner, Peter (2002) [1993]. Austro-Hungarian Army Aircraft of World War One. Boulder: Flying Machine Press. pp. 86–93, 95–108. ISBN 1 891268 05 8.
  2. Morgała (1997), p. 44-50, 242
  3. Kopański, Tomasz (2001) (in Polish). Lotnictwo w obronie Lwowa w listopadzie 1918 roku, "Militaria i Fakty" Nr. 6/2001, p. 40-45
  4. Morgała (1997), p. 52
  5. Morgała (1997), p. 40-41

Bibliography
  • Munson, Kenneth - Bombers, Patrol and Reconnaissance Aircraft 1914 - 1919 ISBN 0 7537 0918 X
  • Morgała, Andrzej (1997). Samoloty wojskowe w Polsce 1918-1924 [Military aircraft in Poland 1918-1924] (in Polish). Warsaw: Lampart. ISBN 83-86776-34-X.
  • Sankowski, Wojeich (July 1996). "Les Hansa Brandenburg C.I en Pologne" [The Hansa Brandenburg C.I in Poland]. Avions: Toute l'aéronautique et son histoire (in French) (40): 2–7. ISSN 1243-8650.
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