Just an amazing piece of human engineering to design, fabricate and put that beast together and it all works in engineering harmony.
Terrific it's been kept and not scrapped at some point in time and lost to history.
I’d like to know how they cast and machined all the parts.
Here's a video showing the construction of a reasonably large British locomotive of the 1930's. The big USA manufacturers were more modernized and were typically building much bigger locomotives, like the Big Boy, but the processes were much the same.
https://youtu.be/NPACAt8aE4U?si=eMwzVNQdPsfwkloR
Just to boggle the modern mind, I will say that Alco, Baldwin and Lima were building whole "fleets" of locomotives simultaneously, and even the biggest engines were built in a matter of just a few months ..... or less!
Once you have a full blueprint of a completed locomotive and its build
Specs and a crew of
Machinists you can get it done fast. The 1st build takes
The longest, then testing.
Forgot to add, all the Moulds for the castings. Basically have it setup as an erector set on an assembly line, piece of cake as long as the supplies were coming in.
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