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The Albatros L 73 was a German twin-engined biplane airliner of the 1920s. Of conventional configuration, it featured a streamlined, boat-like fuselage and engine nacelles. All four manufactured aircraft of that type were operated by Deutsche Luft Hansa, one of which (Brandenburg, D-961) crashed near Babekuhl on 28 May 1928.

Variants

L 73a
powered by two 310 kW (420 hp) Siemens-built Bristol Jupiter.[1]
L 73b
version with Junkers L5 engines
L 73c
engines upgraded to BMW V

Operators

 Bulgaria
 Germany

Specifications (L 73b)

Albatros L 73 3 view drawing from NACA Aircraft Circular No.16

Data from The Albatros L.73 [2]

General characteristics

  • Crew: Two (pilot and engineer)
  • Capacity: Eight passengers
  • Length: 14.6 m (47 ft 11 in)
  • Wingspan: 19.7 m (64 ft 8 in)
  • Height: 4.7 m (15 ft 5 in)
  • Wing area: 92 m2 (990 sq ft)
  • Empty weight: 2,914 kg (6,424 lb)
  • Gross weight: 4,610 kg (10,163 lb)
  • Powerplant: 2 × BMW IV six-cylinder, water-cooled Inline engine, 180 kW (240 hp) each

Performance

  • Maximum speed: 145 km/h (90 mph, 78 kn)
  • Range: 540 km (340 mi, 290 nmi) [3]
  • Service ceiling: 3,000 m (9,800 ft)
  • Time to altitude: 14 minutes to 1,000 m (3,300 ft)

References

  1. ^ Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 128c.
  2. ^ "The Albatros L.73: A German Biplane with Two 240 h.p. B.M.W. IV Engines". Flight. XVIII (924): 562–564. 9 September 1926.
  3. ^ Stroud 1966, p. 225.

Further reading

  • Stroud, John (1966). European Transport Aircraft since 1910. London: Putnam.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 55–56.
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