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©2008-2009 ~TramwayPhotography
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Submitted: May 13, 2008
File Size: 496 KB
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Resolution: 1034×699
Comments: 6
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These are exactly the conditions, the GT4 was built for by Maschinenfabrik Esslingen: Steep ascends and very narrow curves. This pair of GT4 is submerging in Stuttgart Zuffenhausen to dive under the tracks for regional and national trains.
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Are these six-axle trams?
...Aside from having doors on only one side and cabs on only one end, they appear quite similar in design to the 6-axle Düwag cars here in Heidelberg.
Hi!
Nope, they are 4-axle trams. Unlike other trams of this time-period they got no truck under the articulation. The trucks are connected by a metal frame ("Gelenkträger"). Conventional 6-axle trams were tested in Stuttgart but they weren't satisfying. With this special construction the needs of Stuttgart could be served very well. (Steep ascends, narrow curves)
This construction is also known in Munich (P-Type trams, built by Rathgeber), Bremen (GT4, build by Wegmann) and Berlin (Tatra KT4D) and are called "Kurzgelenkwagen".
Hmmm, I guess I'd have to see a mechanical drawing of the cars to understand the weight distribution and balance, let alone how the bogies rotated.
Hi!
Have a look at this: [link] Scroll down to "Weblinks" and click the last one.
It is just a model but it is exactly the same principle as the real one.
2/3 of the weight rest on the inner 2 axles.
That was very helpful. Thanks! It looks like this design isn't very gentle to tracks though...

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