Posts Tagged: Aerial Ropeways

24
Jun

2010

The Koblenz Rheinseilbahn Is Open For Business

The vehicles of the Koblenz Rheinseilbahn. Not the clear effort to make the system more in line with standard transit vehicles. Image from Wikicommons by Azumanga.

Apparently the Koblenz Rheinseilbahn just opened to the public this past month. As is typical for the cable industry, this rather monumental opening came with virtually no publicity or media awareness.

In an earlier post I suggested that the installation is temporary, which apparently is a mistake. The system can be removed if need be, but the hope is that it will remain a fundamental part of the city.

As I understand it, the system is not fully-integrated into the public transit network, and has only two stations but it is certainly a fine example of an Urban Gondola system, given its environs. In fact, from the images so far, it’s probably the most “transit-oriented” system yet – at least from a design perspective.

Vehicles have the distinct look of transit and avoid that cheap ski lift appearance. The all-glass exterior gives the vehicles an airiness and slickness that prevents them from looking comical. Meanwhile, the stations are wonderfully slim in profile, and the towers appear to have a somewhat low profile, impressive, given the typical size of other 3S system towers.

Currently, there’s virtually no images on Flickr of the system, little in the way of publicly accessible research and few quality videos (the best I could find is embedded below). There is, however, a German Wikipedia page.

As many readers of The Gondola Project hail from Switzerland, Germany and Austria (thank you, Google Analytics), I’d be great if one or two of you could take the time to pull out some important details from the page and include them in the comments for English speaking readers.

With my limited German, I can glean that the vehicles hold 35 people and the system has a capacity of 3,800 pphpd, but not much more. I’ll keep an eye open for more information as it comes available. If anyone else out there, however, can find something, please post it in the comments below.

The Koblenz Rheinseilbahn's upper terminal. Wikimedia Commons image by Schängel.



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17
Jun

2010

The Confusion Behind 3S, MDG and BDG

In yesterday’s post, I alluded to the bizarre nature of term “3S.” Let me explain – and I warn you, this will make your head hurt:

The cable industry differentiates technologies like Monocable Detachable Gondolas (MDG) and Bi-Cable Detachable Gondolas (BDG) based upon the ropes/cables used. Great, you say. That makes sense. Monocables use one cable and Bicables use two. I get that. Problem is, the terms Monocable and Bicables are not used in that way.

For example, this is a Monocable Detachable Gondola:

Image by ** Parapluie **

And this is a Bicable Detachable Gondola:

Image by night86mare.

Still, this seems straightforward enough. In the pictures, Monocables use one cable and Bicables use two. No big deal. Here’s where things get odd though. In the cable industry, Monocable is used to describe a vehicle whereby one cable is used for both support and propulsion. This is why Funitels are often referred to as Double Loop Monocables. Despite appearing to use two different cables, a Funitel only uses one rope and uses it for both support and propulsion.

Despite appearances, Funitels are still classed as Monocable systems. Image by 123_456.

Bicables, on the other hand, are classed according to the principal that systems must have one rope (or set of ropes) for support and a second rope for propulsion. That means the 3S, which is named for having three ropes (two support ropes, one propulsion rope) is actually classed as a BDG system. This is why on websites like Lift-World you won’t actually find 3S systems in their database. You actually have to dig through the BDG database to find them.

Despite clearly using three ropes (and being named for those three ropes) the 3S is still classed as a Bicable system. Image by Derek K. Miller.

In other words, the terms Monocable and Bicable are both a reference to a specific technology and a reference to a group of technologies. Problem is, the references are highly misleading; do not conform to the common logic of counting the number of cables we see; and cause obvious confusion.

As I’ve mentioned before (here and here), cable nomenclature is complex and difficult when first encountering the technology. But the way in which sub-technologies and systems are grouped and classified are positively arcane and borderline ridiculous. This is a problem for the industry because it needlessly complicates already expensive and time-consuming planning research. If I want a Bus or Streetcar or Light Rail or Subway, I don’t have to worry about families, sub-groups and the like. I just ask for a Bus or a Streetcar or a Subway. It’s simple.

Worse still is the common occurrence of researchers and writers using the qualities (or lack thereof) of one cable technology to mistakenly discredit cable as a whole without actually understanding that there are huge differences between cable techs and the bizarre manner in which their organized.

Told you it’d make your head hurt.



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07
Jun

2010

Portland Tram Gets Mid-Air Maintenance

Oregon’s Daily Journal of Commerce has an utterly fascinating and informative article here about the replacement of the Portland Aerial Tram’s haul rope. The team that conducted the rope replacement did so in mid air on an aerial staircase known as a splicing bridge. They’ve even got a picture of it.

It’s a great read. Thanks so much to Katharina for giving me the heads up!



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04
Jun

2010

Connecting Branson

(Today’s is a guest post by planner Michael D. Setty. Big thanks to Michael for taking the time to prepare this column for The Gondola Project’s readers – SD.)


EIGHT MILLION ANNUAL VISITORS CLOG MISSOURI TOWN OF 7,000.

Branson, Missouri is the “Country Music Capitol” of the U.S. Midwest, catering to more than eight million annual visitors with 50+ live performance theaters with 60,000+ seats, 18,800 hotel rooms, and 34,000+ restaurant seats. Missouri State Highway 76–only two lanes over most of its length–is the main connection between most venues in this community of 7,000. Not surprisingly, Branson is one huge traffic mess.

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01
Jun

2010

Aerial Technologies, Lesson 6: Pulsed Gondolas

The Grenoble, France Pulsed Gondola System. Image by Marv!

Pulsed Gondolas are a semi-rare subset of the CPT universe and generally not appropriate for mass transit installations. Most were built in the mid to late 20th century, and it’s uncommon to find pulsed systems built nowadays.

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31
May

2010

A Toronto Gondola System

A while back I wrote a post soliciting people to contribute their own Cable Propelled Transit conceptual ideas. Aside from some uptake from the good people over at neoHouston, there was little interest. No wonder: I never offered my own conceptual. Kinda’ hypocritical, huh?

So, without further ado . . . Here’s how I’d use cable in my fine hometown of Toronto, Canada. To readers not from Toronto, please just play along:

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29
May

2010

Von Roll Sky Rides

The Von Roll Company of Switzerland's nameplate. Image by vonrollskyway1.

Von Roll Seilbahn was a prolific Swiss builder of ropeway systems in the 20th century. While Von Roll itself lives on as a supplier of industrial and electrical components, the ropeway division was acquired by Doppelmayr of Austria in 1994.

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