I finally bit the bullet last month and made a hidden tang knife. Have to say other than being undecided on the sheath the longest part was digging out the handle material for the tang. Blade is 1084 which is my go to material for first time projects Handle is stabilized and dyed maple burl with the large crack filled with Alumilite resin. Handle was assembled and drilled for the pin then four layers of blue craft paper were resin filled and used as spacers between the brass tang and wood of the handle. This tightened things up real well and some effort was needed to get the pin in place.
Well John it is nice to see that you have been converted. I have made many a full tang knife but now 99% of my stuff is hidden tang. It takes less steel and you don't have that "rough feel" when the wood shrinks a few thou on the handle. Nice job. If you drill and install the pin after the handle is epoxied in place it works a lot easier.