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5x9

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Posted by Hamltnblue on Tuesday, April 13, 2010 4:50 PM

Paulus Jas

hi,

dstarr
You can fit 30 inch radius curves on a 5*9

IMHO bull !!!

 

Actually you can easily fit 30 inch radius curves on a 5 x 9, but you can only have 2 of them.  You can have the others smaller, say 24 inch to make 54 total. Big Smile 

Springfield PA

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Posted by richhotrain on Tuesday, April 13, 2010 4:35 PM

MisterBeasley

richhotrain
What am I missing here?   Why would a figure 8 necessarily have to be a reversing loop requiring special wiring?

A figure 8 by itself requires no special wiring.  But, consider an oval, and then add diagonal tracks inside the loop from one corner to the other, crossing in an X in the middle.  This gives you both the outer oval and a figure 8.  These inner crossing tracks result in a "reverse loop" and that's what requires special wiring.  It's not a big deal, just some insulated rail joiners and a toggle switch (or an auto-reverse module if you're running DCC) but it does have to be dealt with.

I'm surprised that no one has suggested N gauge for your space.  I'm in HO myself, and my current layout (now being expanded) started as a 5x12.  But, if you are tight for space, look at what you can do with N.  It's very good now, and getting better all the time.

Of course, it is possible to have the figure 9 rejoin the mainline without creating a reverse loop.

Alton Junction

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Posted by MisterBeasley on Tuesday, April 13, 2010 8:27 AM

richhotrain
What am I missing here?   Why would a figure 8 necessarily have to be a reversing loop requiring special wiring?

A figure 8 by itself requires no special wiring.  But, consider an oval, and then add diagonal tracks inside the loop from one corner to the other, crossing in an X in the middle.  This gives you both the outer oval and a figure 8.  These inner crossing tracks result in a "reverse loop" and that's what requires special wiring.  It's not a big deal, just some insulated rail joiners and a toggle switch (or an auto-reverse module if you're running DCC) but it does have to be dealt with.

I'm surprised that no one has suggested N gauge for your space.  I'm in HO myself, and my current layout (now being expanded) started as a 5x12.  But, if you are tight for space, look at what you can do with N.  It's very good now, and getting better all the time.

It takes an iron man to play with a toy iron horse. 

  • Member since
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  • From: huizen, 15 miles from Amsterdam
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Posted by Paulus Jas on Tuesday, April 13, 2010 7:55 AM

hi Doc

Doc in CT
Only if you let the track extend past the edge of the cliff.

you made my day, LOL

Paul

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  • From: Dearborn Station
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Posted by richhotrain on Tuesday, April 13, 2010 6:10 AM

What am I missing here?   Why would a figure 8 necessarily have to be a reversing loop requiring special wiring?

Alton Junction

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  • From: Enfield, CT
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Posted by Doc in CT on Monday, April 12, 2010 3:06 PM

dstarr
You can fit 30 inch radius curves on a 5*9

 

Only if you let the track extend past the edge of the cliff.

 

As to the crossing as reversing loop; in many respects it has the same potential for shorts and should be appropriately wired ( and auto reversing unit is one solution); treat each half as a separate block long enough to hold the longest train with power uptake.

Alan

Co-owner of the proposed CT River Valley RR (HO scale) http://home.comcast.net/~docinct/CTRiverValleyRR/

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Posted by Paulus Jas on Monday, April 12, 2010 2:19 PM

hi,

dstarr
You can fit 30 inch radius curves on a 5*9

IMHO bull !!!

dstarr
A figure eight is possible. but it is a reversing loop,

IMHO: bull !!!

Some good (IMO) online resources on track planning/layout design/operations:
-
Article collection, Gateway Division, NMRA
-
Layout Design Special Interest Group Layout Planning Hints
-
Byron Henderson's Layout Design blog  

- http://www.chipengelmann.com/ and

- http://macrodyn.com/ldsig/wiki/index.php?title=Curve_radius_rule-of-thumb

have fun but be careful

Paul

 

  • Member since
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  • From: Franconia, NH
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Posted by dstarr on Monday, April 12, 2010 1:24 PM

 Plenty of  fine HO 4*8 layouts have been built.  A 5* 9 gives even more space.  You can fit 30 inch radius curves on a 5*9 which is broad enough to run full length passenger cars.   Or you can run Athearn passenger cars which are "selectively compressed" i.e. shorter than a true scale model but they look very well.  The Athearn cars will handle 18 inch radius curves.  

   Consider building a view block down the center of the layout, dividing it into two separate scenes, each with a backdrop fastened to the viewblock.  Consider building a river gorge, crossed by soaring bridges by cutting away part of the table.  Consider having underground staging tracks holding ready to run trains.  

A figure eight is possible. but it is a reversing loop, requiring some special wiring to avoid a short circuit.  Read a book on wiring, or google for "reverse loop".

 

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Posted by steemtrayn on Monday, April 12, 2010 11:13 AM

Capitals? Punctuation? Spell check?

Twelve years of school...Wasted.

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Posted by Anonymous on Monday, April 12, 2010 3:16 AM

 A 5 x 9 layout actually requires a minimum footprint of 7 x 13 for you to be able to reach all parts of it properly. Are you sure you have that much space available?

Maybe a shelf layout would be better.

  • Member since
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Posted by yard_dog_71 on Sunday, April 11, 2010 9:42 PM

i already talked my wife in to let me upgrade from 4x8 so 5x9 is max

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    April 2010
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Posted by yard_dog_71 on Sunday, April 11, 2010 9:27 PM

the table will be in my dining room in an apartment so the room is only 9 feet long and im using a ping pong table to cut down on building a table

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Posted by ratled on Sunday, April 11, 2010 9:24 PM

Any chance you can stretch that to 6' x 9'?  If so I would look at this thread

http://www.trainboard.com/grapevine/showthread.php?t=114996&highlight=ratled

ratled

Modeling the Klamath River area in HO on a proto-lanced sub of the SP “The State of Jefferson Line”

  • Member since
    April 2010
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5x9
Posted by yard_dog_71 on Sunday, April 11, 2010 9:17 PM

im new at model railroads and i was woundering if i could get help i already have an ho train set and i only have 5x9 to work with so self is out of the ? i want to run a passenger and a frieght side by side and posibly do a figure 8 on the frieght need help with the scenery and if the layout will work thanks

jesse

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