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BOUNTYLAND RALWAY
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 Posted: Sun Aug 29th, 2010 10:19 pm
   
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UNCLE BOB
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When one plans a model railroad, a number of choices must be made.  One is wether to have changes of elevation. --- GRADES---.  Depending on the track plan, one can often build model trackwork totally level.

Well, I wanted to experience as much protipical realsm as possible and here it comes!  The laser level tells me there is about a 40in difference in elevation between the back of my oval of track and the front.  This works out to better than a 4% grade.   THAT WON'T WORK!  Sure, this is supposed to be a little narrow gauge line and they were often built cheeply with lots of steep grades but, like the prototype, I don't want to constantly be fighting up hill and down if I can help it.

The answer? --"dig and fill"-- a LOT if dig and fill.  Figure a cut 2ft wide at the base with drainage on each side and sloped walls -- that's quite a bit of dirt to move.

Fall will be here soon.  It'll be nice out.  And I could stand to loose a few pounds.L:

Last edited on Tue Sep 7th, 2010 09:43 pm by UNCLE BOB



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Fri Sep 3rd, 2010 08:48 pm
   
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UNCLE BOB
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The reguaging / reconstructoin of No 51 is underway.  Pulling the wheels from the axels went smoothly.  I have spacers to change from 7 1/4 to 7 1/2 and expect to reassemble the axels next week.  Converting the locomotive to a 2 axel unit frees up the other two for a riding (operator's) car.  My plan is to build a seccond frame just like 51's and build a hood only, cabless, non powered seccond "locomotive"(No 52 ?)   A cow and calf, if you will.  The "calf" will be the operator's car.  They will remain paired with a drawbar between like a steam engine and it's tender.  This should (a) use what I have (b) provide a necessary place for the engineer and (c) not look odd when noone is sitting there as most ride behind cars do.

D&RGW only owned one narrow gauge diesel. (No 50)  I'm freelancing a seccond and now a third but it all falls in the relm of what might have been.



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Mon Sep 6th, 2010 08:50 pm
   
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UNCLE BOB
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"IT IS EASIER TO CHANGE YOUR MIND THAN TO CHANGE YOUR RAILROAD"  I didn't coin that slogan but I do believe it.  Often a bit of rethinking of plans will reveal an easier, cheeper or better way.  Thing is, once an idea gets lodged in the brain it's often hard to see past it.

What I'm getting at here is the track layout.  Before my nephew gave me the 50ft x 60ft oval I had planned a different sort of track layout.  That plan called for a great deal of digging and filling.  The good news is I was finally able to get past that  idea and see how the oval would work in an area closer to the house and would require very little digging and insted of fill, would use a really neat wooden trestle.

What kind of narrow gauge layout would this be without a trestle?  Lools like this will be a 50ft, or so, curved trestle, about 4ft tall at it's highest.  I'll have to buy wood but I'd surely rather build THAN DIG!!



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Mon Sep 6th, 2010 10:23 pm
   
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Dwayne
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We need pictures. :)



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 Posted: Mon Sep 6th, 2010 10:31 pm
   
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UNCLE BOB
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DW wrote: We need pictures. :)
Soon, I promice--batteries in my camera died.  Should have new ones wednesday.:slow:



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Mon Sep 6th, 2010 11:15 pm
   
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Paladin
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Uncle Bob

Have you thought of hiring a mini excavator, beats the hell outta digging, would think it would be cheaper than building a 50 foot longer trestle.

You could even excavate less and build a 25 foot trestle, Giving you the best of both worlds.  You could even be creative and use the soil to make some nice landscape features

OK, I will shut-up and crawl back into my hole.

Don



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 Posted: Mon Sep 6th, 2010 11:47 pm
   
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UNCLE BOB
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Paladin wrote:
-- mini excavator,  cheaper than building a 50 foot long trestle.






Good point--What I didn't tell you is I have access to some scrap lumber- there is enough, I think (still have to buy it, but cheeper)


I'll still have to dig some on the high side, about a foot or so deep for a distance of about 50 or 60 feet (the earlier plan called for a dig about 3 1/2 ft deep).  The dirt removed will go to level a station area at one end of the bridge.

What really concerns me is what happens if a train derails while crossing the bridge! (you know it's bound to happen).  "Ride on" boys usually build their bridges with generous walkways.  One dosen't want a 400lb engine doing a swan dive and taking the train (and crew!) with it.

 


Last edited on Wed Sep 8th, 2010 01:47 am by UNCLE BOB



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Tue Sep 7th, 2010 09:58 am
   
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Herb Kephart
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Bob-

The real guys (prototype) put guard rails on bridges just in case of derailment.

Traps one wheel, and hopefully keeps the train on the bridge.



Herb :old dude:



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 Posted: Tue Sep 7th, 2010 09:34 pm
   
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UNCLE BOB
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You're right, Herb.  I was just looking at some photos and a drawing of RGS bridge 45-A .  For guard rails, they used a pair of rails outside the track rails,  plus a wooden 5x8 along the ends of the ties. 

 Looks like I'll need another 100ft of code 1000.  (1 inch tall rail)

Last edited on Thu Sep 9th, 2010 08:33 pm by UNCLE BOB



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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 Posted: Fri Sep 10th, 2010 01:03 pm
   
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UNCLE BOB
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OK--got the camera going--I find it hard to shoot something that really shows what

I'm trying to do but maybe you can make some sence of it.  Temperary supports hold track up to grade.

some sence of it.

Last edited on Fri Sep 10th, 2010 01:20 pm by UNCLE BOB



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UNCLE BOB
Modeling the EXPERIENCE of 2ft narrow gauge by REPLICATING the equipment.
(The greatest bane to creativity is preconception)
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