How to Design Walschaerts Valve Gear

I'm very pleased to offer this comprehensive overview on how Walschaert's valve gear works and how to design it. I don't know everything, so please let me know in the comments if you feel I've missed something! For the sake of brevity a lot of information was left out, but I tried to include everything that you would need to design your own.

TIMESTAMPS

00:00 - Introduction
00:56 - Outside Admission
02:07 - How Walschaerts Works
06:53 - Flexiblity of Walschaerts
08:40 - Design: Fixed Points
12:33 - Design: Union Link, Comb. Lever, Radius Rod
19:07 - Design: Expansion Link
21:12 - Design: Eccentric & Eccentric Rod
22:57 - Effects of a Bad Reversing Arm
24:00 - Design: Establishing Link Throw
29:51 - Design: Reverse Arm & Lifting Link
35:15 - Checking Cutoff Percentage
37:56 - Signing Off

Find me on Social Media:
Instagram:   / eccentricengineer  
Facebook:   / eccentric-engineer-1627446620810928  
EE Website: https://www.eccentricengineer.com