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Subject: 
Re: Catenary and/or Trolley wire
Newsgroups: 
lugnet.trains
Date: 
Tue, 12 Oct 2010 23:22:49 GMT
Viewed: 
19188 times
  
In lugnet.trains, Rick Clark wrote:
   In lugnet.trains, Larry Pieniazek wrote:
   Have folks done trolley wire or catenary? I’ve seem some folks that did some using the Maerklin parts but I’m not looking for functional, just something that looks good. I think I have a fairly good design for the poles. trying to decide if tying knots in string is the way to go to get catenary or whether to build it out of something like tubing and minifig hands. Which would be sturdy and less taxing on the eyes (to build it) than string but would look rather overscale.

If folks have pointers to pics that would be great. I’ve tried some searches but came up cold.

Thanks


Hi Larry! Long time no see!

If you’re not committed to being LEGO-pure with the wires, there’s a great model railroad solution. I saw it demonstrated at a train show several years back and logged it into my memory in case I (or you) ever decided to do telephone/catenary wire.

It’s a spool of rubber, polymer, string-type material called “EZ Line.” $9 for 100 feet. Check their web site and the video demo here:

http://www.berkshirejunction.com/scenery.htm

and an additional pic here:

http://www.berkshirejunction.com/images/EZ-Street-sm.JPG

The huge advantage of it is that it is so incredibly elastic that it is nearly tear-proof, sag-proof, and highly tangle-resistant. It stays taut with hardly any tension on the support poles, which, with LEGO, is a big consideration.

The stuff comes in several colors, but the woman demo-ing it at the train show noted that many people buy the charcoal, thinking it will look prototypical, but it turns out that it is mostly invisible, and that the natural white looks much better (see the photos on the site).

Okay, I’m ending my infomercial now. I guess you can tell I was impressed by the product. Good luck with the endeavor.

Rick C.

Hi Rick!

Right now I’m looking for an all LEGO solution. I already have loads of black string which looks exactly like LEGO string. What I’m struggling with is how to do the attachment to each of the poles in a way that doesn’t impinge on a trolley or pantograph that contacts it.

In real life there are usually two wires, the catenary, and the power wire, with hangers every so often from the catenary to the power wire (usually welded). But many modelers use only one wire for simplicity. With one wire I can’t think of a way (that doesn’t involve glue) which doesn’t have a piece below the plane of the wire.

But I agree that the springy “wire” you shared would be a good choice to replace the string I was going to use...

For the first show I do this for, I think I am going to go with just the poles and leave the wire out, but eventually I would like (simulated) wire if I can suss out how to do it.



Message has 1 Reply:
  Re: Catenary and/or Trolley wire
 
(...) --snip-- (...) What abour (URL)? It comes in lengths of up to 23L so you might have to join it midway. Tim (14 years ago, 12-Oct-10, to lugnet.trains, FTX)

Message is in Reply To:
  Re: Catenary and/or Trolley wire
 
(...) Hi Larry! Long time no see! If you’re not committed to being LEGO-pure with the wires, there’s a great model railroad solution. I saw it demonstrated at a train show several years back and logged it into my memory in case I (or you) ever (...) (14 years ago, 12-Oct-10, to lugnet.trains, FTX)

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