Hansa-Brandenburg W.25

The Hansa-Brandenburg W.25 was a German floatplane fighter of the World War I era, designed and built by Hansa-Brandenburg.[1]

W.25
Role Floatplane fighter
National origin Germany
Manufacturer Hansa-Brandenburg
First flight 1917
Number built 1

Design and development

The W.25 was an improved version of the KDW with a modified biplane cellule with conventional inter-plane struts. One prototype was built (s/n 2258), and the aircraft competed with the Albatros W.4, but the W.4 demonstrated a better flight performance. Therefore, Hansa-Brandenburg returned the W.25 to its factory for modification with a second pair of ailerons on the lower wing. However, the W.25 was not ordered into production because the Imperial German Navy lost interest in single-seat fighters.

Specifications (W.25)

Data from ,[2] German Aircraft of the First World War[3]

General characteristics

  • Crew: 1
  • Length: 8.8 m (28 ft 10 in)
  • Wingspan: 10.4 m (34 ft 1 in)
  • Height: 3.45 m (11 ft 4 in)
  • Wing area: 36.53 m2 (393.2 sq ft)
  • Empty weight: 918 kg (2,024 lb)
  • Gross weight: 1,182 kg (2,606 lb)
  • Powerplant: 1 × Benz Bz.III 6-cylinder water-cooled in-line piston engine, 110 kW (150 hp)
  • Propellers: 2-bladed fixed-pitch propeller

Performance

  • Maximum speed: 160 km/h (99 mph, 86 kn)
  • Endurance: 2 hours 30 minutes
  • Time to altitude: 1,000 m (3,300 ft) 6 minutes 30 seconds

Armament

  • Guns: 2 x fixed forward-firing synchronised 7.92 mm (0.312 in) LMG 08/15 Spandau machine guns

See also

Related lists

References
  1. The Illustrated Encyclopaedia of Aircraft. London: Orbis Publications. 1985. pp. 2098–2099.
  2. "Hansa-Brandenburg W.25". www.airwar.ru. Retrieved 9 February 2019.
  3. Gray, Peter; Thetford, Owen (1970). German Aircraft of the First World War (2nd ed.). London: Putnam. p. 297. ISBN 0-370-00103-6.

Bibliography
  • Herris, Jack (2012). German Seaplane Fighters of WWI: A Centennial Perspective on Great War Seaplanes. Great War Aviation Centennial Series. Vol. 2. Charleston (S.C.): Aeronaut Books. ISBN 978-1-935881-09-4.
  • Owers, Colin A. (2015). Hansa-Brandenburg Aircraft of WWI: Volume 2–Biplane Seaplanes. Great War Aviation Centennial Series. Vol. 18. n.p.: Aeronaut Books. ISBN 978-1-935881-32-2.
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