The new knife ends up being 12-1/2" overall with an 8" blade. The blade is 1-7/8" deep. I can allow a little more belly on the blade as I have some 2" stock to start with.
The two knives will come from a single 24"x 2" piece of AEB-L 0.130".
Here you can see the overlap. I oriented one blade upside down with respect to the other so I could gain the extra 1/2" per knife and still get them on a 24" piece.
Getting the profile done on the belt grinder with a Norton Blaze 60 grit and some leather work gloves.
Here are the twins with the primary bevels done. I used first a 60 and then a 120 grit belt.