How a Steam Locomotive Works (Union Pacific "Big Boy")

A thorough examination of a steam locomotive, using the mighty Union Pacific Big Boy as our example.

Special thanks to Mark "Hyce" Huber for in-depth expert review! See more excellent railroading content at Mark's channel: youtube.com/@Hyce777

CREDITS

Jacob O'Neal - Research, script, narration, 3D modeling / animation, music

PATREON

https://www.patreon.com/animagraffs

SOFTWARE USED

I use Blender 3D to create these models. It's free and open source, and the community is amazing:

https://www.blender.org/

BEHIND THE SCENES

If you'd like to see how I made this video. I show my research sources, pdfs, images, etc., and also the model creation process, animating, rendering, and more:

https://www.youtube.com/watch?v=T7Hb8kRUHEI

0:00 Intro

00:58 The Basics

02:09 Firebox

04:58 Boiler

07:47 Feed Water / Injectors

10:06 Steam Dryer / Dry Pipe

10:24 Superheater

11:25 Multi-valve Throttle

12:12 Smokebox

14:17 Cylinders

16:36 Valve Gear

19:28 Lubrication

19:58 Chassis / Frame

21:28 Suspension

23:29 Brakes

25:16 Sand

26:11 Cab

29:49 Sight Glasses

31:28 Cab (Cont'd)

33:35 Tender

34:20 Stoker

35:54 Outtro