Interesting work,
Back to the ergonomics, those big screws with worked top and edges will be right in your way when honing, stropping and shaving. I do not like stropping large Sheffield’s with triple stacked bolsters for that reason.
You may want to scale some of your designs and figure out the ergonomics of daily use.
I like the spine and tang work on this last one, but still looks like a strop eater.
I recently consulted for a large company who had a well known knifemaker create a prototype razor, most of my critique was of the ergonomics, holding the razor for honing and stropping and little things that the designer probably never considered, but were glaring obvious to a user.
The blade came to me un-honed. I honed, stropped and shaved with it daily for a month. Put years of use on it in 30 days.