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Lohner Type M

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Lohner M
Lohner M M.39 in flight on 23 February 1916, off Bavsic.
Role Reconnaissance flying boat
National origin Austro-Hungarian Empire
Manufacturer Lohner
First flight 1914
Introduction February 1914
Number built 15

The Lohner M was a reconnaissance flying boat produced in Austria-Hungary during World War I.

Design

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The Lohner M was a biplane flying boat with slightly backswept wings and the pilot and observer sat side-by-side in the cockpit. One version of the Type M, the "MkN", was designed as a mine-spotting plane.[1]

Variants

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M
(M1) Initial production aircraft powered by 85 hp (63 kW) Hiero 4-cylinder water-cooled in-line piston engine; 4 delivered to KuK Kriegsmarine (E.17 to E.21).
Mn
(M2) Second production batch; 5 delivered to KuK Kriegsmarine (E.33 to E.38).
Mk
A single M powered by 100 hp (75 kW) Mercedes D.I (M.31)
Mkn

Operational history

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The Type Ms patrolled the Adriatic Sea from 1914 until spring 1915, but they were supplanted by the Lohner Type L. After 1915, the Type Ms were consigned to second-line duties, but remained in service until 1917.[2]

Operators

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 Austria-Hungary

Specifications (M E.17 to E.21)

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Data from Windsock Datafile 127: Lohner Type M [2]

General characteristics

  • Crew: 2 (pilot and observer)
  • Length: 9.2 m (30 ft 2 in) overall
8.3 m (27 ft) hull only
  • Upper wingspan: 13 m (42 ft 8 in)
  • Lower wingspan: 8.4 m (27 ft 7 in)
  • Height: 3.1 m (10 ft 2 in)
  • Wing area: 31 m2 (330 sq ft)
  • Empty weight: 580 kg (1,279 lb)
  • Gross weight: 900 kg (1,984 lb)
  • Powerplant: 1 × Hiero 4-cylinder water-cooled in-line piston engine, 63 kW (85 hp)

Performance

  • Maximum speed: 90 km/h (56 mph, 49 kn)
  • Range: 500 km (310 mi, 270 nmi)
  • Endurance: ca. 5 hours
  • Service ceiling: 2,500 m (8,200 ft)
  • Time to altitude:
500 m (1,600 ft) in 7.5 minutes
1,000 m (3,300 ft) in 25 minutes

Armament

  • Guns: 1 × trainable machine gun for observer
  • Bombs: 50 kg (110 lb) of bombs

See also

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Related development

Related lists

References

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  1. ^ Heinz J. Nowarra, Bruce Robertson, and Peter G. Cooksley. Marine Aircraft of the 1914–1918 War. Letchworth, Herts, England: Harleyford Publications Limited, 1966. ISBN 0900435070
  2. ^ a b Haddow, George (2008). Windsock Datafile 127: Lohner Type M. Great Britain: Albatros Productions. ISBN 978-1-902207-97-1.