Zeppelin-Lindau Rs.IV

Rs.IV
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

Claudius Dornier while working for Zeppelin in the town of Lindau

.

Development

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 aircraft 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 Military Inter-Allied Commission of Control, after a detailed examination of its construction had been made; the second example was never completed.^[1]

Design

Its design was based on the previous Rs.III, differing primarily in having a narrower hull fitted with
IdFlieg
in 1915) between the hull and the wing. These were 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.[2]^{[page needed]} ^[3]^{[page needed]}

Operators

German Empire

Kaiserliche Marine
- evaluation only

Specifications

L'Aerophile
, August 1921

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 (46 ft 7 in)
Hull beam: 3.65 m (12 ft 0 in)
Sponson width: 8 m (26 ft 3 in)
Wingspan: 37.0 m (121 ft 5 in)
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

Performance

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 to 800 m (1,300 to 2,600 ft) – 14 minutes
- 400 to 1,000 m (1,300 to 3,300 ft) – 22 minutes
- 400 to 1,400 m (1,300 to 4,600 ft) – 36.4 minutes
- 400 to 2,000 m (1,300 to 6,600 ft) – 53.5 minutes
Wing loading: 46.5 kg/m² (9.5 lb/sq ft)

References

Citations

^ ^a ^b ^c ^d Haddow, 1988 pp124–129
^ "The (German) Dornier "Giant Flying-Boat"". Flight. Vol. XI, no. 560. September 18, 1919. Archived from the original on 2016-03-05. Retrieved March 28, 2017 – via Flight Global.
^ "Some Dornier "Milestones" - The Do. Rs. IV, 1917-18". Flight. December 23, 1920. Retrieved March 28, 2017 – via Flight Global.

Bibliography

Gray, Peter & Thetford, Owen (1987) [1970]. German Aircraft of the First World War (2nd ed.). London: Putnam.
ISBN 0-85177-809-7
.

Haddow, G W.; Grosz, Peter M. (1988). The German Giants - The German R-Planes 1914-1918 (3rd ed.). London: Putnam & Company.
ISBN 0-85177-812-7
.

Kössler, Karl (1985). Dornier - Die Chronik des ältesten deutschen Flugzeugwerks (in German). Friedrichshafen, Germany: Walter Biering GmbH.
ISBN 3-925505-01-6
.

Ogden, Bob (1983). Dornier. Flypast Reference Library. Lincs, England: Key Publishing.
LCCN 0263-5887
.

"Some "Dornier" Milestones". Flight. Vol. XII, no. 625. 16 December 1920. pp. 1269–1273.

"Some "Dornier" Milestones (concluded)". Flight. Vol. XII, no. 626. 23 December 1920. pp. 1289–1292.
Rimell, Ray (2009). Dornier Flying Boats. Windsock Datafile. Vol. 136. Berkhampstead, UK: Albatros Productions.
ISBN 978-1-906798-03-1
.

Schmeelke, Michael (2020). Zeppelin-Lindau Aircraft of WWI: Claude Dornier's Metal Airplanes 1914–1919. Great War Aviation Centennial Series. Vol. 42. Aeronaut Books.
ISBN 978-1-935881-83-4
.

Zuerl, Walter (1941). Deutsche Flugzeug Konstrukteure. München, Germany: Curt Pechstein Verlag.

[Haddow-1] Haddow, 1988 pp124–129

[2] "The (German) Dornier "Giant Flying-Boat"". Flight. Vol. XI, no. 560. September 18, 1919. Archived from the original on 2016-03-05. Retrieved March 28, 2017 – via Flight Global.

[3] "Some Dornier "Milestones" - The Do. Rs. IV, 1917-18". Flight. December 23, 1920. Retrieved March 28, 2017 – via Flight Global.

[1]

[3]

v t e Dornier and Zeppelin-Lindau aircraft
Zeppelin-Lindau 1914-1919	Rs.I Rs.II Rs.III Rs.IV CL.I CL.II CS.I D.I Gs.I Gs.II V 1
Dornier designations 1919-1933	Do A Do B Do C Do D Do E Do F Do G (project) Do H Do J Do K Do L Do N Do O Do P Do Q Do R Do S Do T Do U Do V Do X Do Y Delphin Falke Komet Libelle Merkur Spatz Wal
RLM designations 1933-1945	Do 10 Do 11 Do 12 Do 13 Do 14 Do 15 Do 16 Do 17 (Operational history) Do 18 Do 19 Do 20 Do 22 Do 23 Do 24 Do 25 Do 26 Do 29 Do 212 Do 214 Do 215 Do 216 Do 217 Do 317 Do 318 Do 335 Do 417 Do 435 Do 635 P.59 P.85 P.174 P.184 P.192 P.231 P.232 P.238 P.247 P.252 P.254 P.256 P.273 P.1075
Dornier designations post-1945	Do 24 Do 25 Do 27 Do 28 Do 29 Do 31 Do 32 Do 32K Do 34 128 Do 131 Do 132 228 Do 231 328 328JET 428 528 728JET 928JET Aerodyne Alpha Jet Projekt 621 Seastar S-Ray 007
See also Claude Dornier and Dornier Museum Friedrichshafen

v t e Idflieg R-class aircraft designations
AEG	R.I R.II
Daimler	R.I R.II
DFW	R.I R.II R.III
Junkers	R.I
LFG Roland	R.I
Linke-Hofmann	R.I R.II
Schütte-Lanz	R.I
Siemens-Schuckert	R.I R.II R.III R.IV R.V R.VI R.VII R.VIII R.IX
Zeppelin-Staaken	R.III R.IV R.V R.VI R.VII R.VIII R.IX R.XIV R.XV R.XVI
Zeppelin-Lindau ¹	Rs.I Rs.II Rs.III Rs.IV
^1. Rs was not an official Idflieg designation as aircraft were intended for the Navy.

Development

Design

Operators

Specifications

See also

References

Citations

Bibliography