Cam power hammer - GIF and video

Da Vinci-inspired cam power hammer built by Ray From The Hayclan.

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1:02 video:
https://www.youtube.com/watch?v=gD6d4hyLNNs


Previously:

https://www.homemadetools.net/forum/...256#post126638
https://www.homemadetools.net/forum/...100#post115522
https://www.homemadetools.net/forum/...0822#post73203
https://www.homemadetools.net/forum/...6425#post83639

Now if anything was home-built, this certainly is. Notice railroad track anvil, that narrow curve seems ideal.
Wonder is design process; conclusions on rise of cam, final drive RPM, sledge hammer weight, and location of follower.
Youtube?
Online forum?
Or he just had stuff lying around?
I imagine hammer weight the initial point of entry.

Sitting here, vegetating this overcast Sunday, [in relaxing post offload new-to-me 36" sheet metal shear]. Offload accomplished nearly same as 48" brake posted last year, but NO :dance: high center of gravity :angry: concerns!