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Ray Dunakin
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I haven't had a lot of time for modeling so far this year, and what time I did have, has mostly been spent refurbishing older models. The newest structure is a through, plate girder bridge. Until now I've just had a crude temporary bridge made of wood, which has become badly warped:
 
 
I built a permanent replacement for it. My previous plate girder bridges were all made using a structural fiberglass material called G10. This time, I wanted to try making it out of Sintra. I used 6mm Sintra for the deck and sides. The interior braces were made from 1mm Sintra. The rest of the details are styrene.  I got a bit lazy on this bridge and decided to leave off the rivets -- where it's located, no one can get very close to it anyway. The underside of the bridge is strengthened with three lengths of 1/2" square acrylic tube, plus three sections of extruded aluminum angle for good measure. 
 


 

I sprayed it with red primer followed by gloss black. Then I weathered it with a thin, alcohol wash of gray acrylic paint. Then I used RustAll to create reddish rusty streaks. Next I used Sophisticated Finishes' "Iron" and "Rust Solution".


 
 
Two of my earliest structures on the layout were really starting to show their age. The paint was faded and worn (beyond the intentional weathering). The clear plastic used in some of the windows had yellowed, fogged, and warped. Slide cover glass used in a few places had broken or fallen out. A couple signs were faded, and both structures had minor damage caused by a raccoon. One of the buildings still had incandescent "grain of rice" bulbs, which I wanted to replace with LEDs. Here are the "before" photos:




 
 
Here are the "after" photos:






 
 

Enjoy!

Bootlegbar
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I really like your night photos Ray. All of details you have added on the inside of the buildings come alive. Any recent photos of the depot?
Stephen 

Ray Dunakin
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Thanks. I don't have any new pics of the depot at this time.

pipopak
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... funny how all the old and dilapidated buildings, after being refurbished/repaired, still end up looking old and dilapidated...
Jose.

Ray Dunakin
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Heheh! Yeah, unfortunately the real weathering isn't compatible with scale structures made of styrene and painted to look like weathered wood.

slateworks
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Ray, those buildings looked great before the renovations, a nice air of general decay and lack of attention over decades. I can see why you re-worked them though, particularly the glazing which really shows up in the night photos allowing their excellent interiors to be clearly visible.

Last edited on Thu Jun 29th, 2017 09:27 am by slateworks

Si.
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Hi Ray :wave:



AWESOME new girder bridge ! ... Love that RUST !!

It looks very 'real'. :shocked:

SCREW the rivets. ;)



I see what you mean about the buildings.

The colour comes back more after a re-paint etc.



Great photos !

Just love those nite pix. as well !! :bg:



:moose: :moose: :moose: :moose: :moose:



Si.

Ray Dunakin
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Recently I've been working on a new building for the town of Mineral Ridge. This will be a saloon called "The Grizzly Bar". That's a double pun -- not only the obvious "bar/bear", but also there is a piece of mining equipment called a "grizzly" consisting of a series of thick metal bars used to separate oversized rocks from the rest of the ore.

Anyway, this saloon has to fit an odd-shaped space underneath a mine tram bridge. There will be a small covered porch or patio area attached to the main building. I'm not going to post a step-by-step at this time because I plan to use this build in a magazine article. But for now I will post a few in-progress pics:













Enjoy!


PS -- On Thursday I'm leaving for my annual Nevada/Mojave ghost town trip, so I'll be offline for a while.

pipopak
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... picture in your mind all the drunks leaving the bar and sliding on their asses down the sidewalk all the way to the billiards...

Jose.

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Just wonderful...superb!

Woodie

slateworks
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Brilliant as always Ray and a great location. I can already hear the beer glasses rattling on the bar as the tram clatters overhead!

Steven B
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Ray, glad to see you back in the line-up.  Hope you enjoy your travels.  Keep posting!
Jose, at least I won't be falling down drunk when I leave the bar... Perhaps the owner of the billiards establishment should change the name to the "Slide Inn"?
Good stuff as always.:2t:

Michael M
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I like that two-story building that you rehabed.  Could tell us how you went about making that rock wall?

Ray Dunakin
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Michael, I have a step-by-step for that here:

http://www.raydunakin.com/Site/IRR_Dos_Manos_Building_1.html

Michael M
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Many thanks for that link.  The step-by-step instructions are really helpful.

I didn't notice it before but the job you did on the roofing is outstanding! :bg:


Keep it coming please.

mwiz64
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Ray,

The In-ko-pah is my favorite railroad to follow here at Freerails. As always, beautiful work!

Ray Dunakin
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I've set aside my model of the Grizzly Bar saloon for now, and started work on a new building for the Mineral Ridge mine and mill. This will be the power house. It will eventually contain a diesel-powered generator, an air compressor for the mine, and possibly a blacksmith's shop.

The major components (walls, roof, etc) are made from 6mm Sintra:





This is the main room. There will be a smaller room added on one side. The floor is 3mm Sintra, and won't be glued in until after I get the roof installed:








The smaller room was also made with 6mm Sintra. I use these steel machinist's blocks to keep everything square:





Here, I've started adding the roof:





There are openings on the rear of each room, for access to the interior. The rear walls will be removable:





This is where the structure will sit on the layout:





Fitting the roof of the side room into the roof of the larger room was a bit tricky. I used scraps of Sintra and some Dynaflex 230 paintable sealant to fill the gaps:









Another shot of the structure temporarily placed on the layout:





The smaller room will only have one window, located close to the cliff, so there is no need to detail the interior there. But the large room has multiple windows, making the interior fairly visible. The interior is built as a separate model that slides into the rear of the building. Because the exterior will be clad with corrugated metal, for the interior I am simulating the appearance of a a wood-framed structure. The interior walls are scribed to give it a little bit of a corrugated look. The framework is built up out of strips of styrene:













That's all for now. Enjoy!

Ray Dunakin
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A little more progress on the power house...


I made the ceiling for the interior. It is detailed with rafters, and will be attached with screws so that I can remove it to access the interior:




I also adding some frame detail to the inside of the front wall. This detail had to be carefully placed so it would line up with the removable interior:




These shots through the side window shows how it all comes together:






Next I started on the corrugated metal exterior. I had previously used real, galvanized, corrugated steel from Rainbow Ridge on my Assay Office building, and considered using it again on this one. But this building has more windows and also many more angles and joins, and the steel is difficult to cut or bend. So I went back to making my own corrugated metal out of .001" thick shim brass sheet. This comes in a 6" wide roll, and I cut into 4" x 6" sheets. I heat the sheets of brass with a plumber's torch to anneal them. Then I place each sheet between two pieces of the corrugated steel, and scribe the groove using a dull pencil:




I start at one end, and scribe a short section at a time until I've gone more the half the length of the piece. Then I turn it around and start scribing the other end, and meet in the middle. Next I flip it over and scribe the other side. When it's done, I trim off that piece (about 1" wide), remove it, place the remaining brass in between the steel, and start over on the next piece. Tedious, but eventually I get it all done. The pieces of corrugated brass are then sprayed with oven cleaner to wash any residue off. After rinsing with water they are set out to dry.

I glue the corrugated metal to the structure using Dynaflex 230 paintable sealant. At this time I have completed covering the exterior walls and have just started on the roof:






There is no need to apply metal to the rear walls, since they will be up against the cliff and not visible. In this photo the rear walls have been removed:




Here are a couple shots showing how it will look on the layout:







That's all for now.

Ken C
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Ray

Like the finish of the siding after annealing, OK I know it is not right. For the corrugated siding I use a paper corrugated roller (beer cans) may reduce time for siding if you have a lot to make. Got mine from Michaels, tad big for O scale but should work for 1/24 etc.

Ken
GWN

Rod Hutchinson
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Really nicely done Ray.  I may try your techniques.

Ray Dunakin
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Thanks!

I've used the paper crimper in the past but the corrugations it makes are a bit large for my tastes. I wish they would make one with smaller corrugations, that would sure be a lot easier than doing them by hand.


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