Those are a couple of very interesting splitters OP. Thanks for posting. To me the vertical looks faster but more work maybe to make it fast. I would like to see both handle some wood with more of a twisted grain. Oak is easy.
gg
But which splitter would you pick and why.............. I'd say theres some slant in this video>>>>> Eastonmade VS Vertical Log Splitter; Who Will Win? - YouTube
Eastonmade How Big Of A Block Can It Take?!?!? - YouTube