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Published: 2020-11-27 21:25:08 +0000 UTC; Views: 1574; Favourites: 20; Downloads: 0
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Description
Started sketching and the drawing took on a life of it's own. I'd been looking at pictures of the Great Northern Railway's Henry Ivatt-designed C1 Large Boilered Atlantic design at the time, as well as the PKP's PT-47 class 2-8-2.The cab is probably the most outright indicator of the GNR atlantic design. The bar frames are strongly influenced by American practice, the PT-47's rear axle, and the Belgian Type 12 atlantic. Comes with equalised suspension too.
Smokebox door is styled after the GNR atlantic and later Italian steam locomotives, with the bar that secures the smokebox door being lifted right off a BR standard drawing I found online. Blastpipe has an intermediate cone, not really a Kylchap exhaust though. Russian style headlight and small footstep on the front as well.
Boiler is my preferred arrangement, with thermic siphons and firebrick arch, and superheaters. Also a round-top/pacific style firebox instead of a Belpaire Square. Pretty wide firebox too.
There seems to be this weird memory hole regarding railway vehicle coupler specifications outside of Janney/Knuckle coupler or Buffer and Chain. Actually had to look at several drawings to find the centerline height for US knuckle couplers (took the spec from a drawing of a USRA Light Mikado, one inch shorter than a PRR K4s pacific).
Only used a straightedge for a few lines. Specifically the cylinder to driven axle centerline and the line showing the wheelbase. All else being freehand.
This atlantic would be used for express freight/mail trains. Making sure your EBay and Amazon packages get to your city, no matter the weather, unlike aircraft and road transport out here. These would run up to and over 90mph if possible, to ensure your precious online money wasting isn't delayed. Roller bearings are a requisite for this type of job.
The Painter's tape is just there to hold down the corner of the paper that kept curling and warping. Also, didn't draw things like the firebox stays like I usually do.