Snagging the top container of a container car on a tunnel portal or bridge
while running a 16 car train is not a pretty thing, and I speak from
experience.  Better to err on the high side.  Now I maintain a minimum
height clearance of ¼”.  One thing people didn’t bring up is that a little
track maintenance, like eliminating a hump by raising adjacent track, can
end up raising the track height locally.  I will say that debugging a layout
to reliably run a draw bar coupled set of 3 Des Plaines container cars was
an experience.  One gentle s curve needed to be made even gentler.  Cars
were finally reworked to use metal AM trucks and weighted containers to
eliminate some strange derailing due to leaning which occurred with the snap
together plastic trucks that came with my cars years ago. Cars now run
reliably on our 36” radius module curves and even on the one end of my
layout that still uses flyer radius.

 

  _____  

From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of
ken garber
Sent: Wednesday, September 12, 2007 8:19 AM
To: [email protected]
Subject: Re: {S-Scale List} Vertical Clearance

 

I would think that if you take your tallest car, measure its height
and add maybe a 1/4 inch, you may be safe.

As long as you don't add hycubes or autoracks later on, you'd probably be
okay.

Just don't forget to install tell-tales in front of the low clearances.

: )

regards

ken

On 9/12/07, Ed Kozlowsky <soldado7264@ <mailto:soldado7264%40yahoo.com>
yahoo.com> wrote:
> Gentlemen,
> The NMRA standards specify 4-1/8" vertical clearance from the railheads
> for S. I have one spot on my current layout design that is a bit of a
> problem. I'm modeling 1951, so will have no modern equipment to worry
> about. I don't even like modern equipment, so It's no temptation for
> me. What do you think is the minimum I could get away with? Ideally
> I'm looking at 3-5/8" if it's at all doable. What do you think? I
> don't have anything to measure yet, but it's on the way.
>
> Ed Kozlowsky
> Sanford, Maine
>
>

 



[Non-text portions of this message have been removed]



 
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