Walschaerts locomotive valve gear operation - video

Walschaerts locomotive valve gear operation explained by Brad Litwin. 4:10 video.

https://www.youtube.com/watch?v=b7NABUkyGok


Previously:

https://www.homemadetools.net/forum/...572#post158986
https://www.homemadetools.net/forum/...548#post158900
https://www.homemadetools.net/forum/...444#post131719
https://www.homemadetools.net/forum/...760#post159742
https://www.homemadetools.net/forum/...782#post159838

Very nice explanation with no grandstanding.

A superb explanation, it was always a mystery to me what all the linkages' done..Cheers

Mid 1800's; quite sure this was designed over time, via paper, pencils, slide rules and vivid imagination. Likely built models too, not solved by CAM drawings.