Thanks for sharing, Richard!
Interesting 'facts', but one wonders where Mike gets his information (other than the one book mentioned), and where THAT author got HIS information, which basically disputes the majority of all the other info sources out there? Also, while I truly enjoy and appreciate the work and effort Mike puts into his videos, he really needs to work on his 'bedside manner', as it was all I could do to keep from nodding off.
Also, I'm sure he is aware that any good BP smith can rework the loading lever spring and catch to stop the lever from dropping at every shot; at least temporarily for the video! It cast a dubious shadow on the capability and function of the Walker in the video, anyway...at least from a uneducated or newcomer's view. My Goon-worked ASM Walker certainly functioned better than his, and I didn't have any misfires, either. No short arbor, either...
Other than that, interesting topic and video. Thanks again for putting it up, Richard!