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/

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