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 Construction of the new PRR Northern Division
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Author Previous Topic: HTRR - Chapter 2 Topic Next Topic: NMRA AP Civil Eng.Certificate  Support Thread
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Section Hand

Posted - 02/11/2012 :  08:37:14 AM  Show Profile  Reply with Quote
That helix is an impressive piece of engineering Steam!

Country: Canada | Posts: 91 Go to Top of Page

Engine Wiper

Posted - 02/11/2012 :  11:17:49 AM  Show Profile  Reply with Quote
Mark, bet you and Steam are both glad to get the helix completed, it looks great. Congrats on clearing that milestone . Between the two of us, I wonder if Steam is having nightmares about helices yet? Did you happen to hear if he was mumbling to himself when he was wrapping it up? While he's smiling in the picture, I'm sure at the thought of almost being done, he could very well be cracking up too, LOL!!! What have we done to our dear friend???

Joe, you only scratched the surface with the Three Stooges comparison...I'll leave that one alone for another time. Haven't seen that one in a while but think you nailed it.


Country: USA | Posts: 217 Go to Top of Page


Premium Member

Posted - 02/12/2012 :  09:50:01 AM  Show Profile  Reply with Quote
Oh yes, Matt, he was definitely mumbling to himself! And yes, we are both extremely happy to be at this stage. Plans are now underway for roadbed on the second level. I have to install the DCC busses, but after that, it's time for roadbed.


Country: USA | Posts: 13705 Go to Top of Page


Premium Member

Posted - 03/05/2012 :  12:48:17 AM  Show Profile  Reply with Quote
Bruce was over the other night and our big project for the night was finishing the helix!

Bruce had already installed all of the remaining helix pieces on a previous work night, so that meant we were ready to make the transition from the helix to the roadbed on the upper level. The tricky part here though is that the Glen Burn Colliery complex is to be located on the real estate directly over the helix. This meant we had to install a piece of plywood, roughly 3’x8’ over the benchwork and the rods that support the helix, then cut a section of that plywood ‘cookie cutter’ fashion to connect to the last piece of the helix.
After some careful measuring, cutting and hole drilling, we successfully lowered the plywood into that area over the helix!

Here is Bruce looking over the area. You can see the threaded rod protruding through the plywood subroadbed. These will later be cut off.

To make this project even more challenging, the area over the helix is being supported by those threaded rods, which means that to level the area, we had to adjust each nut and washer from underneath until the entire area was level. From this view, you can see the helix in the lower part of the photo.

After the leveling, we installed the homasote roadbed to the plywood, gluing and screwing it all together.

Bruce then went back and cut off the protruding threaded rods level with the top of the homasote. The opening in the wall to the left will be covered with backdrop material later on.

This is a view that won’t be seen once scenery begins, but from here you can see the last section of the helix in the background, and then the roadbed for the Shamokin Secondary track that curves off to the left, and the Wilkes-Barre track that comes off straight to the right. A strategically placed backdrop will conceal the Wilkes-Barre track until it appears near the foreground. That same backdrop will curve to the left, separating the Glen Burn area on the Shamokin Secondary track from South Danville on the Wilkes-Barre branch. From this point, the two branch lines head in opposite directions on the upper level and the backdrop will act as a visual separation of the two geographic areas.

Since that night, I have been busy wiring up the helix. The helix will be equipped with detection, along with video cameras to aid operators during op sessions.

With this milestone achieved, I can now move forward with trackwork on the upper level!


Country: USA | Posts: 13705 Go to Top of Page


Posted - 03/05/2012 :  04:01:55 AM  Show Profile  Visit nhguy's Homepage  Send nhguy a Yahoo! Message  Reply with Quote
Congratulations!! It is indeed a milestone. When I got mine in and operational what a change in operations it made. Bravo!

Bill Shanaman
New Haven RR
Hartford Division
in Colorado.

Country: USA | Posts: 4763 Go to Top of Page


Posted - 03/05/2012 :  06:15:42 AM  Show Profile  Reply with Quote
Outstanding! Nice work, gentlemen....I know this is the breakthrough you've been waiting for Mark...now, let 'er rip!

Country: USA | Posts: 1320 Go to Top of Page

Steam Nut

Posted - 03/05/2012 :  06:59:27 AM  Show Profile  Reply with Quote
I love my "Kill Roy was here shot",

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Premium Member

Posted - 03/05/2012 :  07:25:36 AM  Show Profile  Reply with Quote
Congratulations, guys. Let the track laying on that upper level begin!


Modeling the railroads of the Jersey Highlands in HO and the logging railroads of Pennsylvania in HOn3

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Posted - 03/05/2012 :  07:35:26 AM  Show Profile  Visit wvrr's Homepage  Reply with Quote
Congrats on the milestone, Mark! It won't be long, now.


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Premium Member

Posted - 03/05/2012 :  07:55:13 AM  Show Profile  Reply with Quote
Looking good Mark! Lucky to have Bruce there for sure,,

Cheers!, Joe

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Engine Wiper

Posted - 03/05/2012 :  09:43:30 AM  Show Profile  Visit sjconrail's Homepage  Reply with Quote
Excellent progress Mark,


Country: USA | Posts: 300 Go to Top of Page


Premium Member

Posted - 03/05/2012 :  11:01:37 AM  Show Profile  Reply with Quote
Thanks guys! I have to give Bruce all of the credit here. The man built one heck of a structure and it feels good to see it finished. Only a few pieces of track to be laid and then we will have landed on the second level, and then its all on me! So now I'm busy laying down more plywood and homasote on the rest of the upper level benchwork and go from there.


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Section Hand

Posted - 03/05/2012 :  8:16:00 PM  Show Profile  Reply with Quote
Great job Bruce

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Posted - 03/06/2012 :  05:43:23 AM  Show Profile  Reply with Quote
The boys are GOOD!

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Crew Chief

Posted - 03/10/2012 :  07:18:24 AM  Show Profile  Reply with Quote
Amazing design and construction. Bruce, a great accomplishment.

Mark, Good to see that the funk is behind you.


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