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N Scale - Transcontinental Pennsylvania Railroad - Members Personal Layouts. - Model Railway Layouts. - Your Model Railway Club
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 Posted: Sun Sep 9th, 2012 09:35 am
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georgejacksongenius
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Really cooking with gas now Eric! Very envious of your set-up....its going to be amazing!

Cheers,John.B.:thumbs

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 Posted: Fri Oct 12th, 2012 12:23 am
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eric220
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Quick update. The Gandy Dancers came over the other night. It was a small but dedicated crew. We got seven tortoises installed, four more block detectors wired up, and most of the brewery trackage laid. This afternoon, I got two more tortoises installed, including one that required a little creativity. Despite careful planning, I wound up with a turnout in the brewery right over the helix tracks. My solution was to offset the tortoise , cut a grove in the plywood, and run the throw wire through a brass tube that I recessed into the groove so it's flush.



Works like a charm!

I also wired up one of the frogs with power routed using the internal SPDT switches in its tortoise. It works perfectly in reverse, but it shorts out in normal. Not sure why. Fortunately, this particular turnout is set to reverse while running in a loop on the upper level, so I can figure it out at my leisure.



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Modeling a transcontinental PRR
http://www.pennsylvania-railroad.com
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 Posted: Fri Oct 12th, 2012 05:35 am
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Chubber
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Well, Eric,

 

This has been a 'save it until there's lots to read' thing with me, and I can only echo the previous sentiments of admiration. 'Gandy Dancers' was a new phrase to me and good 'ole Google helped out.The link below is for me the most striking of the links I found, albeit the worst quality video!

 

http://www.youtube.com/watch?v=c1O2X890tig&NR=1&feature=endscreen

 

Doug



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 Posted: Fri Oct 12th, 2012 08:17 am
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ddolfelin
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A well known fact is that, if you have two Gandy Dancers, one will be very lazy.
Much like riders on a Tandem.
Or two tree fellers on a hand saw.



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11 + 2 = 12 + 1
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 Posted: Fri Oct 12th, 2012 08:32 am
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Petermac
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Watching that very interesting clip makes you wonder why they didn't put the track in the right place from the start ...............:lol::lol:



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 Posted: Sat Oct 13th, 2012 10:33 pm
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oldrailbug
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Great layout Eric, fantastic steam locos and GG1, awesome long trains

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 Posted: Wed Oct 17th, 2012 04:59 am
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eric220
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More Gandy Dancing tonight. Again, one of the focuses of the evening was Tortoise installs. We got a total of six more installed, which dried up my supply. Time for a resupply order. Two of the Tortoises had to go in under the cookie cutter, where I didn't leave quite enough room to install them vertically. After playing around, we found a way to install them horizontally.



One major advantage of installing them this way is that the fulcrum can be adjusted so that most of the throw translates into motion on the throw bar, giving a true slow-motion throw.

In addition to making turnouts work, we got some more track down. Both Keystone and the Coors brewery have their track laid and feeders dropped. Now I just need to get them wired up.





And for another angle on Gandy Dancing, here's a promo video put together by the (real) PRR. Look for the Gandy Dancers at 11:18 in the video.

http://youtu.be/nfCoRQqY_K4



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Modeling a transcontinental PRR
http://www.pennsylvania-railroad.com
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 Posted: Fri Oct 26th, 2012 02:00 am
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eric220
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Spent some time in the basement today, but alas, nothing photogenic to show. I got four more tortoises installed, and wired up four more frogs (interestingly, four entirely different turnouts than the ones that got new tortoises). The net result is that all the turnouts in the Coors brewery and in the crossover to get from there to the westbound main have powered frogs, and all the turnouts from Keystone east have turnout motors. The T1 definitely likes the powered frogs, and it seems to be able to negotiate the track fairly reliably, despite the work crew's blatant disregard of rule G, and the distraction of the Asterix video in the background.



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 Posted: Sun Oct 28th, 2012 07:49 pm
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Petermac
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Sounds like you spent the day working in the reptile house of the local zoo Eric ..................:shock::shock::lol::lol::lol:



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 Posted: Mon Oct 29th, 2012 01:14 am
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eric220
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Ha, it does, doesn't it!

Certainly seems like I went through my own douze travaux... OK, seulement huit.



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 Posted: Mon Oct 29th, 2012 09:45 pm
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Petermac
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:thumbs:thumbs

Those tortoise motors look gigantic under the trackwork ............

Looking forward to some more pictures when you're ready. :cheers



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 Posted: Thu Nov 15th, 2012 03:14 am
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eric220
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Still nothing photogenic, but there has been progress. With the help of the Gandy Dancers, I now have all of the Colorado section's turnout motors installed, and all of the frogs are powered. I have firmly come to the conclusion that there in an electrical gremlin wreaking havoc on my railroad. Statistically, 50% of the frogs should have been wired correctly the first time. Of the 10 frogs that we powered, only 2 were wired correctly on the first try. Add to that several that shorted out no matter which way the feeders were connected. I'm still not sure how those were resolved; all I know is that after reworking them several times, they suddenly started behaving correctly. I still need to attach the "Do Not Sneeze Here" signs above them...



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 Posted: Wed Feb 27th, 2013 11:10 pm
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eric220
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OK, let's get this show back on the road. The next project (apart from more tortoises and frogs) will be the C&H refinery. Here's the current plan:



This includes a hidden return loop that represents a Southern Pacific interchange at the refinery.



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 Posted: Thu Feb 28th, 2013 03:36 am
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Marty
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Is the exchange loop on the same level as the main and hidden under the hill on the other side of the backscene Eric? 

Looking forward to an update.

cheers

Marty



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 Posted: Thu Feb 28th, 2013 04:25 am
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eric220
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Marty wrote:
Is the exchange loop on the same level as the main and hidden under the hill on the other side of the backscene Eric?

Exactly.



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 Posted: Thu Mar 7th, 2013 09:05 pm
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eric220
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For inspiration, here's a shot of the California and Hawaii Sugar Refinery in Crockett, CA that I took from the eastbound California Zephyr last month.



I laid out the track this afternoon in preparation for Gandy Dancing. Here's what it looks like from overhead.



The furthest rear track with the gons and flat will be under a pair of MP gantry cranes right on the dock. The closest track to the mains is the SP interchange that can also be used to spot cars while working the refinery. The other two tracks with the PRR boxes are the warehouse/refinery loading tracks. The stack of Kato boxes represents the silo. Here's a shot from my eye level. The SP boxcars in the back are on the interchange track.



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 Posted: Fri Mar 8th, 2013 12:05 am
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Marty
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Do you mark the centrelines only Eric?

And the civil works department is going to have to lay a new roadbed for the S&P interchange where it runs below the hill on the other side of the back scene.

It's going to be a great place to spot cars and make up out bound trains.


Marty



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 Posted: Fri Mar 8th, 2013 12:13 am
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eric220
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Yup, those are the centerlines. Since the cork comes divided in half, it's a very handy mark to lay down. As for the civil works department, laying the cookie-cutter for the rest of the return loop is on the agenda tonight.



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 Posted: Fri Mar 8th, 2013 11:41 pm
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eric220
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So here are the Gandy Dancing returns.



All of the ladder cork is done, and there's just a few strips of cork left on the industry tracks before it's done. (Might just tackle that after I'm done typing.)

We also attacked plywood for the nolix. We cut a full loop out of one sheet of plywood, but 55" x 44", we can only get one full loop out of one sheet. Using the scrap, we cut seven quarter-turns. I'm really torn on how to proceed from here. We can probably get another two or three quarter-turns out of the scraps, meaning I could potentially make the entire six-turn nolix out of two sheets of ply. On the other hand, I'm kind of concerned about how these things are going to fit together. They're definitely going to take a lot of trimming and fitting, and I'm not convinced about the stability of four quarter-turns biscuited together. On the flip side, it will save me four sheets of ply and a lot of scrap. In the end, at $25/sheet for ply, I guess I'm not sold on the idea of cheeping out on the benchwork.



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 Posted: Fri Mar 22nd, 2013 03:13 am
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eric220
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Well as much as I wish my latest update could be a whirlwind of amazing progress, I'll have to settle for modest progress. I started by realigning the dock track to eliminate an s-curve by the ladder. I had to tear out a few inches of cork, and I gained a new appreciation for caulk as adhesive. It took a chisel and quite a bit of sanding to get back to bare plywood. I didn't relay the cork on that track because I'm considering dropping the dock track down to the plywood, since it's supposed to be imbedded in the concrete. The alternative would be to lay out cork sheet (which I have) under the parking lot. I'm not terribly enthusiastic about that option, since it would mean bringing the parking lot up to the height of the mainline. As for the rest of the port/sugar refinery/SP interchange, I managed to lay the rest of the roadbed.



I also thought that I might shoot a different perspective of the new construction.

http://www.youtube.com/watch?v=3xafjvUW9DY

This begins with the turnout leading to the refinery on the left and ends at the underpass with the SP interchange pulling alongside the PRR.



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