Why Steam Trains make Chugga Chugga sounds!

In this video, we explore how big-time music YouTuber Adam Neely got a critical detail wrong in the very serious subject that is: How many times you say Chugga before you say Choo Choo. Warning: Contains steam train nerdy content and silly train sound explanations. Edit: I've been since corrected by an additional steam train nerd, and Adam's picture is not of a Shay, it's of a Willamette, which is, for all intents and purposes, a fancy-pants Shay. Can't win them all. 0:00 Intro 0:21 Credentials - Music and Railroad 0:47 How does a steam locomotive work? 4:48 Adam's Screwup (and mine - check the description) 5:27 A Malformed Locomotive 6:46 Outro