Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Quote from: Jim on October 11, 2024, 06:47:07 pm

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!