Minumum radius.

[Chessie_SD50_8563]

Anyone know what the Abosulte Minumum Radius (not recomended) you can send these locomotives though.
Athearn DD40
Athearn SD40-2
Athearn SD40T-2
Athearn SD70/75
Athearn C44-9W/AC4400CW

Thanks in advance


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Theres no such thing as having to many coal hoppers or GP40-2 when you model Chessie System
LONG LIVE THE KITTEN!!!
LONG LIVE BIG BLUE!!!

[StickyMonk]

i have had a SD40-2 and SD40T-2 through a 18 inch curve although the 40-2 didnt like it much

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wheres all the C636's????
stickymonk.com (http://www.stickymonk.com)
Matts Photo gallery (http://monkhome.homestead.com)

[AKrrnut]

I'm not postive about these locomotives, but I am sure they'd be a lot happier going through a minumum 22" radius curve. http://www.trainboard.com/biggrin.gif

I used to have an Athearn F45, and it didn't like an 18" radius at all! The ladders interferred with the trucks' ability to turn.

I haven't tested the C44-9W or the new SD70s yet (too modern for me!), and I don't remember what the reviews said about minimum radius. Have to get back to you on that.

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Wishin' I wasn't so far
from the railroad...

[BC Rail King]

Simple, every thing but the DD I have heard likes, and will run well on a 22".

Happy Railroading!!

Dane N.

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[friscobob]

I wouldn't run a six-axle locomotive through anything tighter than 24" radius. Anything less than that is the realm of four-axle
diesels. Remember, not only should the loco
be able to negotiate a curve, but it should
stay coupled with the adjoining car or loco,
and not look like the Toonerville Trolley
doing it.
Are you asking this because of tight space issues, or just mere curiousity?


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Ship IT on the Frisco!
Bob T.

[Chessie_SD50_8563]

Lets just put it this way. I am one of those people who cram a C44-9W though a 18" because of space issues. I have used a SD40-2 though 18" with no problems. (little noisey though)I was asking because of space issues

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Theres no such thing as having to many coal hoppers or GP40-2 when you model Chessie System
LONG LIVE THE KITTEN!!!
LONG LIVE BIG BLUE!!!

[friscobob]

<BLOCKQUOTE>quote:</font><HR>Originally posted by Chessie_SD50_8563:
Lets just put it this way. I am one of those people who cram a C44-9W though a 18" because of space issues. I have used a SD40-2 though 18" with no problems. (little noisey though)I was asking because of space issues

<HR></BLOCKQUOTE>
OK..........you may be able to, but any cars
coupled behind these locomotives mat not stay
coupled, or may derail.
I have 22" radius on my layout, and restrict
myself to four-axle diesels. The only locos I
don't run on my layout are my Frisco and UP
SD45s (at least not in normal operations). Since I model a former shortline in NE Okla-
homa, the tight curves aren't a problem. I
even run my Frisco mini-unit coal train with
just two GP38s, which for Frisco was prototypical for the coal train between Garland, KS and Republic, MO.




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Ship IT on the Frisco!
Bob T.

[Chessie_SD50_8563]

only with my real short cars like my roundhouse 10000 gal tank have problems behind my C44-9W. You'll be even more shocked if I tell you what kind of cars I run around 18 radius (unmodifyed)
89 foot walthers autorack (bi level)
86 foot athearn autobox cars.
85 foot athearn pig flats
You have to use kadee or equivalant (I use mchenry (dont ask why)) in order for the cars to stay coupled around curves. you just have to have clearance around the curves and the proper setup. As for photorealism forget it. These cars look nowhere near real when heading around the curves.

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Theres no such thing as having to many coal hoppers or GP40-2 when you model Chessie System
LONG LIVE THE KITTEN!!!
LONG LIVE BIG BLUE!!!