Zeppelin-Lindau Rs.IV

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Role Patrol flying boat
National origin Germany
Manufacturer Zeppelin-Lindau
Designer Claudius Dornier
First flight 12 October 1918
Status scrapped
Primary user Kaiserliche Marine
Number built 1
Developed from Zeppelin-Lindau Rs.III

The Zeppelin-Lindau Rs.IV (known incorrectly postwar as the Dornier Rs.IV) was a Riesenflugzeug (Giant aircraft) monoplane all metal flying boat with a stressed skin hull developed for the Imperial German Navy to perform long range patrols over the North Sea. It had been developed by Claudius Dornier while in the employ of Zeppelin in the town of Lindau.


Two aircraft were ordered by the German Kaiserliche Marine (Imperial Navy) in January 1918.[1] The first flight was made on 12 October 1918 and was converted shortly thereafter into a passenger seaplane sometime between October 1918, following damage sustained during its first flight, and June 1919.[1] When it was modified the pilot's position was moved to the hull instead of in the overhead fuselage in 1919. The sole completed example was scrapped on 17 April 1920 on orders from the Inter-Allied Military Control Commission, after a detailed examination of its structural details had been made, while the second example was never completed.[1]


Its design was based on the previous Rs.III, differing primarily in having a narrower hull fitted with sponsons and stressed skin structure, with some minor tidying of the design. It was a braced parasol monoplane with the fuselage mounted on the wing above both engine nacelles and hull. The four engines were mounted in push-pull pairs in nacelles large enough to allow in flight access — a requirement of the original Riesenflugzeug giant aircraft type specification by IdFlieg in 1915 — between the hull and the wing, and staggered to allow propeller disks to overlap slightly so as to reduce adverse yaw when an engine was not running. It had the distinction of being first seaplane to have an all-metal stressed skin hull, and the first seaplane to be fitted with Dornier's patented sponsons.


 German Empire 
Kaiserliche Marine - evaluation only


Data from The German Giants[1]

General characteristics

  • Crew: 5
  • Capacity: (20 passengers in the commercial version)
  • Length: 22.7 m (74 ft 6 in) overall
  • Hull length: 14.2 m (47 ft)
  • Hull beam: 3.65 m (12.0 ft)
  • Sponson width: 8 m (26 ft)
  • Height: 8.37 m (27 ft 6 in)
  • Wing area: 226 m2 (2,430 sq ft)
  • Empty weight: 7,237 kg (15,955 lb)
  • Gross weight: 10,600 kg (23,369 lb)
  • Fuel capacity: 3,000 l (790 US gal; 660 imp gal)
  • Powerplant: 4 × Maybach Mb.IVa 6 cylinder liquid cooled inline mounted as tandem pairs, 183 kW (245 hp) each
  • Propellers: 4-bladed wooden fixed pitch propellers, 3.1 m (10 ft 2 in) diameter


  • Maximum speed: 138 km/h (86 mph; 75 kn)
  • Minimum control speed: 90 km/h (56 mph; 49 kn)
  • Endurance: 10 hours
  • Time to altitude:
    • 400 m (1,300 ft) - 14 minutes
    • 400 m (1,300 ft) - 22 minutes
    • 400 m (1,300 ft) - 36.4 minutes
    • 400 m (1,300 ft) - 53.5 minutes
  • Wing loading: 46.5 kg/m2 (9.5 lb/sq ft)

See also

Related development
Aircraft of comparable role, configuration and era
Related lists



  1. 1.0 1.1 1.2 1.3 Haddow, G.W.; PeterM Grosz (1988). The German Giants, The Story of the R-planes 1914-1919 (3rd ed.). London: Putnam. pp. 124–129. ISBN 0-85177-812-7.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>


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  • Kössler, Karl (1985). Dornier - Die Chronik des ältesten deutschen Flugzeugwerks. Friedrichshafen, Germany: Walter Biering GmbH. p. 79. ISBN 3-925505-01-6.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
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  • unknown author (23 December 1920). "Some "Dornier" Milestones". Flight. Flight Magazine. pp. 1269–1273, 1289–1292.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  • Rimell, Ray (2009). Dornier Flying boats - Windsock Datafile 136. Hertfordshire, UK: Albatros Productions. ISBN 978-1-906798-03-1.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>