Lohner B.VII

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Lohner B.VII, C.I
Role Reconnaissance aircraft
National origin Austria-Hungary
Manufacturer Lohner
Primary user KuKLFT

The unarmed Lohner B.VII and its armed derivative the C.I were military reconnaissance aircraft produced in Austria-Hungary during World War I.[1]

Design and development[edit]

The Lohner B.VII/C.1 were the ultimate developments in a family of aircraft that had begun with the B.I prior to the outbreak of war, and were the first members of that family that proved suitable for front line service during the conflict.Like their predecessors, the B.VII and C.I were conventional biplanes with characteristic swept-back wings. [2]

Operational history[edit]

The B.VII appeared in August 1915 and finally provided a machine suitable for service use.[2] These were used to conduct long-range reconnaissance missions over the Italian Front, as well as occasional bombing raids, carrying 80 kg (180 lb) of bombs internally. Many B.VIIs in operational service were equipped with machine guns on flexible mounts for the observer,[2] and this led to the armed C.I version being produced at both the Lohner and Ufag factories. Aside from its factory-installed armament, the C.I also sported a streamlined cowling around the engine, whereas the B-types had their cylinders exposed to the airstream. Notable missions carried out by these aircraft included the raid on the Porta Volta power station in Milan on 14 February 1916 (a 378 km/276 mi round trip for 12 B.VIIs)[3] and Julius Arigi sinking an Italian steamer at Valona in a B.VII in 1916.[4]

Production of all versions ceased in 1917,[1][5] and all were withdrawn from service soon afterwards.

Variants[edit]

  • B.VII - unarmed version with 110 kW (150 hp) or 120 kW (160 hp) Austro Daimler engine (73 built)
  • C.I - version with 120 kW (160 hp) Austro Daimler engine and armed with single machine gun on trainable mount for observer (40 built)

Operators[edit]

 Austria-Hungary

Specifications (B.VII)[edit]

Data from Grosz 2002

General characteristics

  • Crew: Two, pilot and observer
  • Length: 9.50 m (31 ft 2 in)
  • Wingspan: 15.40 m (50 ft 6 in)
  • Height: 3.75 m (12 ft 4 in)
  • Wing area: 44.0 m2 (473 ft2)
  • Empty weight: 913 kg (2,000 lb)
  • Powerplant: 1 × Austro-Daimler, 110 kW (150 hp)

Performance

  • Endurance: 6 hours
  • Service ceiling: 3,500[6] m (11,482 ft)
  • Rate of climb: 1.8 m/s (350 ft/min)


References[edit]

Notes
  1. ^ a b Taylor 1989, pp. 610–611.
  2. ^ a b c Murphy 2005, p. 105.
  3. ^ Murphy 2005, p. 106.
  4. ^ Chant 2002, p. 56.
  5. ^ Gunston 1993, p. 188.
  6. ^ Angelucci 1983, p. 87.
Bibliography
  • Angelucci, Enzo. The Rand McNally Encyclopedia of Military Aircraft, 1914-1980. San Diego, California: The Military Press, 1983. ISBN 0-517-41021-4.
  • Chant, Christopher. Austro-Hungarian Aces of World War 1 (Osprey Aircraft of the Aces No. 46). Oxford, UK: Osprey, 2002. ISBN 978-1841763767.
  • Grosz, Peter M. Austro-Hungarian Army Aircraft of World War One. Boulder, Colorado: Flying Machine Press, 2002. ISBN 978-1891268052.
  • Gunston, Bill. World Encyclopedia of Aircraft Manufacturers. Annapolis: Naval Institute Press, 1993. 1-55750-939-5.
  • Murphy, Justin D. Military Aircraft: Origins to 1918, An Illustrated History of Their Impact. Santa Barbara: ABC-Clio, 2005. 1-85109-488-1.
  • Taylor, Michael J. H. Jane's Encyclopedia of Aviation. London: Studio Editions, 1989. ISBN 0-517-69186-8.

Further reading[edit]