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. <br> <br>Special thanks to Mark &quot;Hyce&quot; Huber for in-depth expert review! See more excellent railroading content at Mark's channel: youtube.com/@Hyce777 <br> <br>CREDITS <br>Jacob O'Neal - Research, script, narration, 3D modeling / animation, music <br> <br>PATREON <br>https://www.patreon.com/animagraffs <br> <br>SOFTWARE USED <br>I use Blender 3D to create these models. It's free and open source, and the community is amazing: <br>https://www.blender.org/ <br> <br>0:00 Intro <br>00:58 The Basics <br>02:09 Firebox <br>04:58 Boiler <br>07:47 Feed Water / Injectors <br>10:06 Steam Dryer / Dry Pipe <br>10:24 Superheater <br>11:25 Multi-valve Throttle <br>12:12 Smokebox <br>14:17 Cylinders <br>16:36 Valve Gear <br>19:28 Lubrication <br>19:58 Chassis / Frame <br>21:28 Suspension <br>23:29 Brakes <br>25:16 Sand <br>26:11 Cab <br>29:49 Sight Glasses <br>31:28 Cab (Cont'd) <br>33:35 Tender <br>34:20 Stoker <br>35:54 Outtro