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Author Topic: Trolleybus Overhead  (Read 294 times)

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Offline Stuart Down Under

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Trolleybus Overhead
« on: August 12, 2019, 08:44:34 AM »
Any suggestions for the type and gauge of wire to use to make some static trolleybus overhead? Thick enough to resist knocks, and stay rigid, but fine enough to look OK? - Ideally easily soldered too! I only need to make up about 35cm x 2-way - no fancy switches! If I can make this look OK, the next stage of the layout will require many metres.

 :helpneededsign:

Offline Bealman

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Re: Trolleybus Overhead
« Reply #1 on: August 12, 2019, 09:13:18 AM »
Interesting!

If it's not powered, I wouldn't worry about it.

But that's just me.The poles suggest wires.

Vision over visibility. Bono, U2.

Offline woodbury22uk

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Re: Trolleybus Overhead
« Reply #2 on: August 12, 2019, 09:49:53 AM »
As long as your trolley wire support poles are rigid then EZline would be pretty much to scale and resist knocks. If your support poles are not rigid then the tension of the EZline might pull them together.

https://www.modellingtools.co.uk/ezline-fine-black-2233-p.asp

Mind you at the price you could also wire a complete layout. Maybe borrow some fine knicker elastic instead or leave off the wires as Bealman said.

Mike

Over-user of brackets and quotation marks.

Wondering how many pedants can dance of the head of a pin.


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Offline Malc

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Re: Trolleybus Overhead
« Reply #3 on: August 12, 2019, 02:27:44 PM »
You could use 22 swg copper wire. Donít get the enamelled sort if you want an electrical connection to your tram. If you donít want to run the trams, just burn off the enamel with a lighter before trying to solder it.
The years have been good to me, it was the weekends that did the damage.

Offline Stuart Down Under

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Re: Trolleybus Overhead
« Reply #4 on: August 28, 2019, 08:55:29 AM »
I have found these interesting lamp posts on e-bay - 3v led, only 10 quid for a pack of ten. Very similar to some LT concrete combined lamp-posts/overhead masts. The shaft is about 1mm steel tube, with head and base in plastic. The base slides up and down, so the height can be easily adjusted up to about 70mm plus 10mm to "plant" in the baseboard. I'm working on how to attach the span wires - probably need drilling.

Offline Bealman

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Re: Trolleybus Overhead
« Reply #5 on: August 28, 2019, 09:10:06 AM »
You're determined to go through with this, then.  ;)

Good luck!  :thumbsup:
Vision over visibility. Bono, U2.

Offline njee20

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Re: Trolleybus Overhead
« Reply #6 on: August 28, 2019, 09:17:31 AM »
Iíd echo Mikeís suggestion and use EZ-Line, itís available in green to mimic copper wires or white, as well as the black linked to. If you donít pull it taut then it doesnít exert much force on the masts. Dab of glue on each mast to hold it in place.
« Last Edit: August 28, 2019, 09:18:44 AM by njee20 »

Offline Stuart Down Under

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Re: Trolleybus Overhead
« Reply #7 on: August 28, 2019, 09:22:25 AM »
Yes, Bealman, I am!

I know what you mean - overhead is so slender that it shouldn't be visible. However my vivid memories of both London and Newcastle-on-Tyne as a child was that the overhead was such a dominant feature of the streetscape. It just has to be there. ;)

And njee20 - I'm inclined to use wire to keep it rigid, and less prone to damage. We shall see as it develops.  :worried:

Offline njee20

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Re: Trolleybus Overhead
« Reply #8 on: August 28, 2019, 09:25:55 AM »
Wire will be far more prone to damage, the whole point of EZ-Line is that itís incredibly stretchy, so knocking it has no effect.

Wire will either kink if caught or rip the masts out.

Guitar strings is another option. Not one Iíve tried, but what Nick from NBrass recommends.

Edit: EZ-Line demo here. Iíd get the fine, which still scales to 37mm.
« Last Edit: August 28, 2019, 09:30:07 AM by njee20 »

Offline Bealman

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Re: Trolleybus Overhead
« Reply #9 on: August 28, 2019, 09:26:49 AM »
Thread hijack, but as Stuart lives in Sydney, hopefully he won't mind too much...

I'm currently in Randwick for a few days, and have been seeing the new trams heading out of the depot beside the racecourse on test runs.

Then just then on the news, I see them making their run down through Sydney CBD.

it totally amuses me and makes me smile to think that Sydney had a tram network years ago, it was ripped up, then it's been built again!!!

Seriously.....

Anyway, hijack over. Back to live N gauge trolley overhead!!  ;D ;) :beers:
Vision over visibility. Bono, U2.

Offline njee20

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Re: Trolleybus Overhead
« Reply #10 on: August 28, 2019, 09:34:59 AM »
Youíre apologising after the third post which is of no real relevance...!

It doesnít need to be live, and itís worth adding that EZ-Line is so springy that sprung pantographs will deflect the wire, so you need to either fix them below the wire or reduce the spring tension.

Offline Bealman

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Re: Trolleybus Overhead
« Reply #11 on: August 28, 2019, 09:47:59 AM »
Youíre apologising after the third post which is of no real relevance...!

??? No comprende
Vision over visibility. Bono, U2.

Offline njee20

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Re: Trolleybus Overhead
« Reply #12 on: August 28, 2019, 09:50:44 AM »
Youíve posted 3 times on this thread, none of which are actually helpful, but itís only the third one where youíve said ďhope Stuart doesnít mind the hijackĒ!

Online Railwaygun

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Re: Trolleybus Overhead
« Reply #13 on: August 28, 2019, 09:55:06 AM »
I have found these interesting lamp posts on e-bay - 3v led, only 10 quid for a pack of ten. Very similar to some LT concrete combined lamp-posts/overhead masts. The shaft is about 1mm steel tube, with head and base in plastic. The base slides up and down, so the height can be easily adjusted up to about 70mm plus 10mm to "plant" in the baseboard. I'm working on how to attach the span wires - probably need drilling.

got a link or reference number ( better)?
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Offline 70000

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Re: Trolleybus Overhead
« Reply #14 on: August 28, 2019, 10:09:24 AM »
I originally had a short stretch of trolleybus overhead on my OO layout but found the wires were a bit of a pain and got in the way when trying to clean the area, apart from them being fairly delicate. The section of roadway with wires expanded considerably as the layout was added to, so I decided to eliminate the traction wiring but retained the span wires, bracket arms, hangers and heavy overhead features such as turnouts. A shot of the depot area is shown below....

Still in the fairly early stages of development, but a lot easier than a full set of wiring and still shows that is a trolleybus route.

I've got trolleybus routes on the N layout (as well as trams) but I just stick to the traction poles and bracket arms and don't bother with the other features!

 

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