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Zeppelin-Lindau Rs.I

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German flying boat

Rs.I
A front view of the flying boat
General information
Type	Patrol flying boat
National origin	Germany
Manufacturer	Zeppelin-Lindau^[1]
Designer	Claudius Dornier
Number built	1

TheZeppelin-Lindau Rs.I (also known as theDornier Rs.I) was a large three-engined biplane flying boat designed byClaudius Dornier and built during 1914–15 on the German side ofLake Constance. It was destroyed in a storm.^[1]

Design and development

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Claudius Dornier gained the attention of CountFerdinand von Zeppelin while working on a proposed trans-atlanticairship during 1913. Later he appointed him as chief designer of the Zeppelin-Werke atLindau, responsible for building large patrol flying boats. Dornier's first design to be built was the Rs.I. This was a large aircraft (Riesenflugzeug in the German classification) constructed largely of high-strength steel for highly stressed parts, andDuralumin (aluminium alloy) for low stress parts.The wings were on top of the hull and were braced with four sets per side ofWarren strut style interplane structures comprising 'V' struts, which obviated the need for drag inducing wire bracing. The wing structure was formed with built-up steel spars, four in the top wing and three in the lower wing, and duralumin ribs riveted to the spars and braced internally. The fuselage was also made up from formed steel members built up into a framework which was then covered with fabric ordural sheeting.The powerplant arrangements were unorthodox, with the two outboard engines housed inside the fuselage, each driving a pusher propeller via shafts and bevel gearboxes, and a central pusher engine in a nacelle between the wings.^[1]

History

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The Rs.I was completed by October 1915 and rolled out atSeemos for trials. On 23 October, during a taxi test, the port propeller and/or gearbox parted company with the aircraft, causing damage to the gearbox mountings and the upper wing. The opportunity was taken to move the outboard engines into nacelles identical to that of centre engine, and mount them between the wings on an independent structure with catwalks to enable engineers to attend to engines in flight. This gave much better clearance from spray for the propellers, which was probably the cause of the port gearbox/propeller failure. Taxiing trials recommenced, but with little success. On 21 December 1915 aFoehn wind blew up during trials. Unable to beach the giant flying boat, attempts were made to ride out the storm on the lake, but the moorings gave and the Rs.I was dashed to pieces on the lakeside rocks.

The RsI is noteworthy for the construction materials used as well as its size; it was the largest aeroplane in the world at the time of its launch.^[1]

Specifications (Zeppelin-Lindau Rs.I)

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Data from The German Giants^[1]

General characteristics

Crew: at least 7
Length: 29 m (95 ft 2 in)
Wingspan: 43.5 m (142 ft 9 in)
Height: 7.2 m (23 ft 7 in)
Wing area: 328.8 m² (3,539 sq ft)
Empty weight: 7,500 kg (16,535 lb)
Gross weight: 4,763 kg (10,500 lb)
Powerplant: 3 ×Maybach HS (Mb.IV) , 179 kW (240 hp) each

Notes

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^^a ^b ^c ^d ^eHaddow, G.W.; Peter M. Grosz (1988).The German Giants - The German R-Planes 1914-1918 (3rd ed.). London: Putnam.ISBN 0-85177-812-7.

Bibliography

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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, P.M.The German Giants. Putnam, 3rd Ed., 1988ISBN 0-85177-812-7
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. n.p.: Aeronaut Books.ISBN 978-1-935881-83-4.

External links

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Wikimedia Commons has media related toDornier Rs.I.

http://www.iren-dornier.com/en/aircraft.html

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 alsoClaude Dornier andDornier Museum Friedrichshafen

Zeppelin aircraft

Lighter-than-air
(airships)

Manufacturer
hull
numbers

A Class	LZ 1
B Class	LZ 2 LZ 3
C Class	LZ 4 LZ 5
D Class	LZ 6
E Class	LZ 7 LZ 8
F Class	LZ 9 LZ 10 LZ 12
G Class	LZ 11 LZ 13
H Class	LZ 14 LZ 15 LZ 16 LZ 17 LZ 19 LZ 20
I Class	LZ 18
J Class	skipped
K Class	LZ 21
L Class	LZ 22 LZ 23
M Class	LZ 24 LZ 25 LZ 27 LZ 28 LZ 29 LZ 30 LZ 31 LZ 32 LZ 33 LZ 34 LZ 35 LZ 37
N Class	LZ 26
O Class	LZ 36 LZ 39
P Class	LZ 38 LZ 40 LZ 41 LZ 42 LZ 43 LZ 44 LZ 45 LZ 46 LZ 47 LZ 48 LZ 49 LZ 50 LZ 51 LZ 52 LZ 53 LZ 54 LZ 55 LZ 56 LZ 57 LZ 58 LZ 60 LZ 63
Q Class	LZ 59 LZ 61 LZ 64 LZ 65 LZ 66 LZ 67 LZ 68 LZ 69 LZ 71 LZ 73 LZ 77 LZ 81
R Class	LZ 62 LZ 72 LZ 74 LZ 75 LZ 76 LZ 78 LZ 79 LZ 80 LZ 82 LZ 83 LZ 84 LZ 85 LZ 86 LZ 87 LZ 88 LZ 89 LZ 90
S Class	LZ 91 LZ 92
T Class	LZ 93 LZ 94
U Class	LZ 95 LZ 96 LZ 97 LZ 98 LZ 99
V Class	LZ 100 LZ 101 LZ 103 LZ 105 LZ 106 LZ 107 LZ 108 LZ 109 LZ 110 LZ 111
W Class	LZ 102 LZ 104
X Class	LZ 112 LZ 113 LZ 114
Post-war	LZ 120 LZ 121 LZ 126 LZ 127 LZ 129 LZ 130
Unbuilt	LZ 70 LZ 115–LZ 119 LZ 122–LZ 125 LZ 128 LZ 131–LZ 132

Operator's
identification

Names	Bodensee Deutschland Deutschland II Dixmude Esperia Graf Zeppelin Graf Zeppelin II Hindenburg Hansa USSLos Angeles Méditerranée Nordstern Sachsen Schwaben Viktoria Luise
Army Z designations¹	Z I Ersatz Z I Ersatz Z I (2) Z II Ersatz Z II Z III Z IV Z V Z VI Z VII Z VIII Z IX Z X Z XI Z XII
Army LZ designations²	LZ 34 LZ 35 LZ 37 LZ 38 LZ 39 LZ 72 LZ 74 LZ 77 LZ 79 LZ 81 LZ 85 LZ 86 LZ 87 LZ 88 LZ 90 LZ 93 LZ 95 LZ 97 LZ 98 LZ 101 LZ 103 LZ 107 LZ 111 LZ 113 LZ 120
Navy L designations	L 1 L 2 L 3 L 4 L 5 L 6 L 7 L 8 L 9 L 10 L 11 L 12 L 13 L 14 L 15 L 16 L 17 L 18 L 19 L 20 L 21 L 22 L 23 L 24 L 30 L 31 L 32 L 33 L 34 L 35 L 36 L 37 L 38 L 39 L 40 L 41 L 42 L 43 L 44 L 45 L 46 L 47 L 48 L 49 L 50 L 51 L 52 L 53 L 54 L 55 L 56 L 57 L 58 L 59 L 60 L 61 L 62 L 63 L 64 L 65 L 70 L 71 L 72

Heavier-than-air
(aeroplanes)

Zeppelin-Staaken	L 8301 VGO.I VGO.II VGO.III R.IV R.V R.VI R.VII R.XIV R.XV R.XVI E.4/20
Zeppelin-Lindau	CL.I CL.II CS.I D.I Rs.I Rs.II Rs.III Rs.IV V1
Zeppelin Flugzeugebau	C.I C.II C.IV
Other	L 1 Rammer Fliegende Panzerfaust ZMe 323 ZMe 423 ZSO 523