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Technical description

Details & data.

total height64,75 m above ground
diameter of the Wheel60,96 m (= 200 ft)
outer diameter of the Wheel55,78 m
inner diameter of the Wheel49,68 m
axis of the Giant Ferris Wheel10,78 m long, 0.5 m thick, 16.3 t
weight of the Wheel244,85 t
total weight of all iron structures430,05 t
turning speed0,75 m/sec = 2,7 km/h

The outer circumference of the rim is connected to the inside by radial latticework and by two diagonal tension rods. The western rim facing the city is also rigidly connected to the eastern rim facing the Prater at a distance of 6 meters by means of latticework and tension rods. Between said radials, the structure connecting the outer circumference with the inner circumference, a cabin is suspended at each joint between two wheel segments. Each cabin is 5.4 meters long, 2.45 meters wide and 2.65 meters high; they are suspended on a steel axis so that the floor remains in a horizontal position even as the wheel rotates.

 

So much for Mr. Beck's account from 1937. The inner spokes which secure the circumference rim to the axis consist of steel wire ropes with a diameter of 10 cm and grommets at the ends. Of the 120 spokes which are mounted at the suspension points of the cabins, 60 are fitted at right angles to the axis, while the remainder are diagonal, in order to provide extra resistance against wind pressure.

 

The wheel rim consists of steel plates and brackets, whereby the brackets face outward and are connected to the circumference opposite. As a result, the circumference forms a girder to which the inside spokes referred to earlier are attached. The 6.35 meter long outer spokes are riveted to the inner and outer circumference cover plates by latticework.

 

The outer circumference of the wheel is also made of U-shaped girders, namely two parallel girders which are connected both to each other and to the inner circumference of the wheel rim by flat steel supports. The circumference spokes form the extension of the steel wire rope spokes and consist of riveted beams, which are directly attached to the two concentric wheel rim rings.

The Giant Ferris Wheel is powered by two traction cables which permit the transmission of the necessary torque through friction pads on the outer sides of the wheel rim. The two drive motors work on a single shaft in order to guarantee synchronization of the two traction cables. The further transmission of power to the rope drive is carried out over pulleys and a two-stage transmission.

 

The slipring motors from 1984 produce 15 kilowatts and rotate at a speed of 720 revolutions per minute.

In 1988 the cogwheels from the post-war years and the complete drive propulsion system were replaced.

In 1997 and 1999 the Giant Ferris Wheel was completely repainted. After extensive sand blasting work, 200 tons of old paint and sand were removed and only 4 tons of new anti-corrosion paint applied as protection against wind and weather for the decades to come.

 

Even those visitors who are not particularly interested in technical details often ask what would happen in the event of a power cut. We can reassure Giant Ferris Wheel passengers: we have an emergency generator which is permanently monitored and which is able to guarantee standby operations at any time. It also lights up the area in front of the Giant Ferris Wheel. However, if – as is only theoretically possible – that too should fail, the Giant Ferris Wheel can still be operated manually.

Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch
Das Wiener Riesenrad - Unvergleichlich romantisch

Das Wiener Riesenrad

Unvergleichlich romantisch

Info & Kontakt:

Wiener Riesenrad
Dr. Lamac GmbH & Co. OG
Riesenradplatz 1, 1020 Wien
+43 1 7295430[email protected]
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