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| | |-+  Should it be less steep?
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Author Topic: Should it be less steep?  (Read 2215 times)
Santa Fe buff

N&W


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« on: June 09, 2008, 05:15:42 PM »

My friend's layout is at an angle to were about 90% of his engines can't pull 5 cars up the hill, plus it is a cuved incline. It appears to posbaby be an 6.0 or 6.5, or even 7.0 grade. Should I lower it? I can't make and major improvments because of the tight space.
Any help?  Huh?
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- Joshua Bauer
Pacific Northern


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« Reply #1 on: June 09, 2008, 05:27:22 PM »

The grade you are referring to should be for geared engines only.
 
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Pacific Northern
kevin2083

Hi, I'm nobody, and nobody is perfect.


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« Reply #2 on: June 09, 2008, 11:38:49 PM »

3% should be the max
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Bill Baker

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« Reply #3 on: June 10, 2008, 09:30:30 AM »

What Pac NOrth and Kevin said is true.  If you have room only for a small layout, try, try, try to avoid any grades.  There is simply never enough room to make a proper inclined elevation.

Bill
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Bill
Daylight4449


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« Reply #4 on: June 10, 2008, 05:02:35 PM »

my devils loop has a long curved incline at 3/8ths of an inch a piece of 18 inch radius track.
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Pacific Northern


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« Reply #5 on: June 10, 2008, 06:14:30 PM »

my devils loop has a long curved incline at 3/8ths of an inch a piece of 18 inch radius track.

Check out the Woodland Scenics site

http://www.woodlandscenics.com/

note the recommended incline for most layouts is
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Pacific Northern
Daylight4449


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« Reply #6 on: June 10, 2008, 06:32:41 PM »

yes, what is it
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Pacific Northern


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« Reply #7 on: June 10, 2008, 06:56:10 PM »

yes, what is it


As you indicated your rise is 3/8 " per piece of track. Track is 9" in length. Your rise is 1/2" per foot of track. Therefore a 4" rise would take you 8' of track, a 2% rise takes 16'.

 
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Pacific Northern
japasha

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« Reply #8 on: June 10, 2008, 10:18:02 PM »

I you use a typical over-and-under set for a figure 8 with 18 inch radius, you will have a grade of about 5.2%, about the same as the Saluda grade on the Southern Railway, a very difficult piece of railroad to operate on.

22 inch radius lowers this to 4.5%; still steep but easier on the rolling stock.
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ebtnut

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« Reply #9 on: June 12, 2008, 03:46:03 PM »

Here's a shorthand for figuring grades:  1" in 24" = 4%; 1" in 36" = 3%; 1" in 48" = 2%.  It is not exact, but usable enough for most model railroad planning.  As noted, anything above 4% is pretty much geared engine territory, or usable only for very short trains. 
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Daylight4449


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« Reply #10 on: June 12, 2008, 05:56:21 PM »

Cool and, why do you think i call it "Devils Loop". Grin
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Santa Fe buff

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« Reply #11 on: June 13, 2008, 02:08:08 PM »

Well, he is thinking on making it bigger, so I'll just expand it to make a better grade then. Thanks for all the help.
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- Joshua Bauer
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