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catenary mast spacing


 

Hello,

I'm building a compact Z Marklin layout with a loop of catenary.? What is the recommendation for catenary feeder spacing?? I have seen 1m and 1.5m, but that seems too far apart given the small contact area at the masts between catenary wire sections.? I have a lot of track feeders.

Thanks,
Marty


 

Marklin catenary has various fixed lengths to? the sections between poles, they are formed pieces with upper carrier wire and lower running wire and, formed ends that snap onto arms on the masts. On my Japanese track (Crown) the roadbed is notched at 55mm which is the center of each piece of track, 110mm straight or 195 and 220mm curve.In the Crown system the wire is not live just an illusion.


Kevin Brady
 

Hi all,
? ? ? ? ? Marty,compact but how big overall?Two should do it but plan for 3,M catenary is very reliable for the layouts I have built.
All the best,Kevin


 

I have quite a bit of catenary on my layout and I spaced the feeders every three feet or so. Same for the rail feeds and it works fine.

On Friday, April 23, 2021, 12:34:57 PM EDT, Kevin Brady <kbvrod@...> wrote:


Hi all,
? ? ? ? ? Marty,compact but how big overall?Two should do it but plan for 3,M catenary is very reliable for the layouts I have built.
All the best,Kevin


 

Marty,
I am not sure how to effectively say this...but I truly want you to succeed.
Cause I wish to do the same.

We once had a fundamentally successful Can't & Nary System in Muddville, California.


It even was able to run during floods, for it was an apparent concept to have a secondary gasoline engine on board as well.

So it was noted the entire electrical grid for Muddville, would shut down but the Street Cars were still running.
What we today might refer to as a Hybrid System.
===
For me...I used a Bachmann Acela to get it all up and running....with some success, before proceeding with even more troublesome models.
So for me...I went through this whole test with Kato Unitram track set back with actual asphalt. to the outside rails.
Asphalt between the rails doesn't work even in prototype, but a rubber like mat between the rails does.
===
Dust it with dirt or not depending on the era.
Just getting it all to run was my first challenge.
===
Running the Can't & Nary system was a whole other approach to both Mathematics and Physics and testing then more testing.

More adjustments besides attempting to do the math.

I wanted to eventually go to a single electrical line and single pole from the trolley.
This then took even more work and reconstruction to each of my trolleys.
Ugh!
Which is how it got it's name...Reminded me a of Mule a Contrary, not a Catenary.
I get more cooperation from Cats leaving the Canary alone than I can get a mule to water.
At least without a lot of cussing. I was for a time a Civil War Re-enactor and I swear, mules only understand a few choice cuss words.
====
While at University I rode the San Francisco System for many years and was greatly impressed with it.
:)) Mark

Modeling Muddville, ?founded by an ancestor of Harcourt Fenton Mudd, cousin to Dr Samual Mudd.
Two D's are needed where as one was good enough for God.

Here is circa 1900 picture of Lindsey Slough...which later was a-forded an underground drain pipe system and became Harding Way or not.
I often find photographs which are miss-marked.
Look to the other side of the bridge/road - El Dorado Ave.....Note also the bent track.

Here is yet another earlier view....with Mud and more Mudd.


The entire town was set to these horse-trolley rails and bridges.
This may be yet a different than marked street...with my 1908 House to one side. The house facing with the pillars in front has changed somewhat and moved and now faces mine.
Maybe?
Or I could be entirely wrong.
Cause....
The neighborhood was not fleshed out so to speak, but in a constant state of construction from 1878 to 1940 and beyond.
During all this time....?
Floods and more floods.
Houses were moved at times, even after construction.
Foundations were often weakened by flooding and had to be totally reconstructed with the house above taken to another location, while a new basement/foundation was constructed; and then set with a different house.
...And I had thought this time...we had placed the foundation/basement on the hard-pan (Clay) below.

A trolley ran directly out front.



In order to model it properly to before 1885-1900 and the beginning of asphalt....
They began as Horse Drawn Systems but began to be electrified with more robust rails and ballast circa 1878.
Round Top streets as high as 23 inches to the center above the gutters were created so the Trolleys could appear to walk on water.
Asphalt began in the 1890's but was not entirely in use until after the 1906 earthquake; when much of the rail throughout the area had to be again replaced.


 

Sorry for delayed response, and thanks for all the replies.? The compact layout is about 31.5" x 45". It is based on a suitcase plan in the old "Marklin Spass mit Mini-Club" book, but mine doesn't fold in half.? One loop has live catenary with a siding.? I wound up using 4 feeders, so they are about 2 feet apart.? I made two of the feeders myself from standard masts.? I also needed to solder up a couple custom length wire sections.? ?I've just finished the track and catenary feeder wiring hook-up below the layout and will do some testing.? But based on some resistance checks with a multi-meter around the catenary loop, the 4 feeders seem to be enough.? The track feeders are more numerous so that there is not more than about 2 rail joints between feeders.

Marty