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The Zeppelin-Lindau Rs.I (also known as the Dornier Rs.I) was a large three-engined biplane flying boat designed by Claudius Dornier and built during 1914–15 on the German side of Lake Constance. It never progressed beyond taxiing trials as it was destroyed in a storm.[1]

Rs.I
Role Patrol flying boat
National origin Germany
Manufacturer Zeppelin-Lindau[1]
Designer Claudius Dornier[1]
Number built 1[1]

Design and development


Claudius Dornier gained the attention of Count Ferdinand von Zeppelin while working on a proposed trans-atlantic airship during 1913. Later he appointed him as chief designer of the Zeppelin-Werke at Lindau, 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, and Duralumin (aluminium alloy) for low stress parts. The wings were on top of the hull and were braced with four sets per side of Warren 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 or dural 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


The Rs.I was completed by October 1915 and rolled out at Seemos 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 a Foehn 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 (Dornier Rs.I)


Data from The German Giants[1]

General characteristics


See also


Aircraft of comparable role, configuration, and era

Related lists


Notes


  1. Haddow, 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





На других языках


[de] Dornier Rs I

Die Dornier Rs I war ein dreimotoriges Doppeldecker-Flugboot des am Bodensee ansässigen Flugzeugherstellers Dornier-Werke aus der Zeit des Ersten Weltkrieges. Mit einer Spannweite von 43,50 m war die Rs I seinerzeit das größte Flugzeug der Welt. Nach erfolglosen Startversuchen, einschließlich einer Änderung der Triebwerksanordnung, riss am 21. Dezember 1915 ein Föhnsturm das Flugzeug von seiner Verankerungsboje und zerstörte es an einem Uferfelsen. Die Maschine wurde firmenintern als „Z.W.R.“ bezeichnet, was wahrscheinlich für „Zeppelin Werke Riesenflugboot“ oder „Zeppelin Wasser Riesenflugzeug“ stand. Ebenfalls waren die Kürzel „FS.I“, für „Flugschiff I“ oder „Flugzeug Seemoos I“ in Verwendung. Erst später nannte man die Maschine rückwirkend „Rs I“ (Riesenflugzeug See I).
- [en] Zeppelin-Lindau Rs.I

[fr] Dornier Rs I

Le Dornier Rs I, était un aéronef allemand, essentiellement en métal.



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