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Skeleton Log Car Fleet Building - On30
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 Posted: Sat May 9th, 2020 03:41 am
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Sean W.
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Location: Pasadena , California USA
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Hey guys

I wanted to quickly share this fleet of skeleton log cars I just finished scratchbuilding.

I designed and 3D printed all the parts, except the trucks,
and the strip down the middle is just styrene.

These are all the parts that had to be designed and 3D printed for each frame.





Here is the frame assembled.





Painted.





Weathered.










And all 10 that I built!
Ready for the next show, whenever that will be!





This is the case I will use to transport them to shows!







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Sean
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 Posted: Sun May 10th, 2020 01:24 am
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Tom Ward
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Sean - Examundo! 

I especially like the weathering. 

What was your technique for that?

Tom




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"When I die I want to go quietly in my sleep like my grandfather. Not screaming in terror like his passengers."
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 Posted: Sun May 10th, 2020 05:54 am
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Sean W.
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Hey Tom!


Weathering I just use acrylic paint and chalk.
Orange, tan, brown, black and grey

I first dry brush with black, then do a black wash.
Dry brush and use a makeup sponge with the orange, where I want light rust.

For these I did the entire middle strip orange with a makeup sponge, blotting it all the way down.
I was kinda nervous because it looked like an orange race stripe  haha.

Then I use a makeup sponge with the brown, blotching it here and there randomly,
then go crazy over the entire model, with black and brown chalk dust.

This is everything I use to weather.





Here are a few closeups.
They look better in person than here in these up close shots












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Sean
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 Posted: Mon May 11th, 2020 12:09 pm
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Alan Sewell
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Hi

That is some impressive 3D-printing and weathering.

I assume you have based this on the Mich-Cal Pino Grande cars.
 
However can I make a few comments,
which as it's your railroad you are free to ignore!!

It seems to me as if the cars are a mix,
of the lumber cars used from the Pino Grande to Camino,
and the log cars used in the woods.

Log cars would not have had four cheese-blocks on the bunks, just two.
These moved in a steel channel mounted on top of the wood bunks,
so that they could hold logs of different sizes, or more than just a single log. 

The lumber cars were very similar, but without the channel or cheese-blocks.
These were loaded at the mill and taken to the drying yards,
planning mill and shipping sheds at Camino.

On both cars the straps holding the wood bunks to the frame,
were recessed into the beam, and not above them, as in your model.

If you can get a copy of Polkinghorn’s Pino Grande book,
it has numerous illustrations and some drawings.

As I said the modelling is very impressive and well above my standards,
but just thought I might add something.

Best regards

Alan Sewell
 

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 Posted: Tue May 12th, 2020 11:56 am
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Jack M
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Sean W:

I like your ideas in 3D printing of On30 logging equipment.
I also own an Ender 3 Pro, but really haven't done anything with it yet.

I can't find now, your posts about 3D printing of the flat cars,
where are these posts?

I prefer having logging flats with bunks, like the Westside Lumber Co. used,
instead of Russel skeletons.

Did you say where what group that you saved the files to?
What settings on your 3D printer did you use to 3D print them?


I need to 3D print a bunch of brake cylinders first,
to add to the cars that I already have.

A few years ago I made a rubber mold to cast some flat cars frames in resin,
but it too is a slow process, as the resin has to sit overnight to cure.

I only cast a few, and ended up purchasing 10 resin flat car kits with bunks, from Morgan Hill Models.
The only thing that he didn't include in the kit was brake cylinders and truss rods.

But the truss rods are easy to build, using either nylon fishing line or thick elastic sewing thread,
found at a craft store like Joanne's or Michaels.


Maybe your next 3D printing project should be maybe say a Westside Lumber short 16' caboose?
I have two kits of this caboose made by Mt Blue Models, which is a really nice laser cut wood kit.

Jack M


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