40' stock car on shapeways

Re: 40' stock car on shapeways

Postby Marquette » Wed Feb 06, 2013 10:28 am

Agreed with Ben. And I'm pretty confident the CN car at least has a different roof.

It's not impossible, but the likelihood of a stock car with that roof is very, very small.

Even if you don't want to get 100% accurate to a particular car, if you go with an older style of roof and with those ends you'll probably be pretty close for a number of prototypes.
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Re: 40' stock car on shapeways

Postby MacG » Wed Feb 06, 2013 5:30 pm

The AAR 1951 design has a end with long horizontal ribs and no smaller ribs called "darts". A another variant of a Dreadnaught? Or is it a Hutchins, Murphy, Buckeye, etc.? The end in the CAD is a different.

I understand you correctly, you would like to have a stock car side wall and the parts of the Gold Coast steel car for a correct stock car? And the roof and the ends at the CAD are only parts for kitbashing.

Booring, I like more change on the rail.

I hope for you, producing the car in parts is more effective. So that you would buy it.
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Re: 40' stock car on shapeways

Postby Marquette » Wed Feb 06, 2013 8:34 pm

MacG wrote:The AAR 1951 design has a end with long horizontal ribs and no smaller ribs called "darts". A another variant of a Dreadnaught? Or is it a Hutchins, Murphy, Buckeye, etc.? The end in the CAD is a different.


Without seeing a picture I can't tell you, but at a guess I'd say it's likely a variant of the Improved Dreadnaught. But again, that's a wild-ass guess without seeing a picture.

I understand you correctly, you would like to have a stock car side wall and the parts of the Gold Coast steel car for a correct stock car? And the roof and the ends at the CAD are only parts for kitbashing.


More or less.

Booring, I like more change on the rail.


And I like accuracy.

I hope for you, producing the car in parts is more effective. So that you would buy it.
Such a project it not for fun, it is a small business.


I'd say, yes, production in parts would be better - it makes it easier to build accurate models - and probably cheaper, too.
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Re: 40' stock car on shapeways

Postby scaro » Thu Feb 07, 2013 7:14 am

agreed. parts are better, i think. the top down orientation possible when printing flat parts should result in higher quality. or at least, this point is consistently made by producers.
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Re: 40' stock car on shapeways

Postby MacG » Fri Feb 08, 2013 1:36 pm

The AAR 1951 sketch can you find at "Stock Car Cyclopedia - Volume 1 by Robert L. Hundman".

Higher quality can you only reach with non-printing manufacturing, like CNC-milling.

StockCar_Objet_4.jpg
printing with Objet

Stirnwand_gefraestes_Negativ_2.jpg
milling a form and casting resin
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Re: 40' stock car on shapeways

Postby Marquette » Fri Feb 08, 2013 9:57 pm

Yeah, see, if some ends like that were available on their own, I'd grab some in a flash.
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Re: 40' stock car on shapeways

Postby scaro » Fri Feb 08, 2013 10:33 pm

me too. they look good.
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Re: 40' stock car on shapeways

Postby MacG » Fri Jul 22, 2016 4:20 pm

The roof has been reworked. It is a complete new sketch. The size matches with the AAR-roof from Gold Coast. It's printed in FXD, but I need primer to paint the bright surface.

Roof_40_feet.png
CAD of the Diagonal Panel Roof

The end faces are in progress. The side walls will follow.
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Re: 40' stock car on shapeways

Postby MacG » Wed Aug 17, 2016 11:01 am

I had now the time to clean and primer the roof. It looks good.

40_foot_diagonal_panel.jpg
40ft Diagonal Panel Roof in FXD

And here the bad news. I'm suprised about the difference in print quality. The part above in the picture is the 50 ft version of my Diagonal Panel Roof and below is the 40ft version. Both are ordered together. :shock:

diagonal_panel_roof_difference.jpg
Diagonal Panel Roof Difference in FXD
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Re: 40' stock car on shapeways

Postby CaTTwoman281 » Wed Aug 17, 2016 1:08 pm

Looks nice!
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