Franco cool knives! Very well done canon replica as well!
Coming from Finland that knife is that much cooler!
David that sheet metal rifle is very interesting. What's this about a boating accident if you don't mind me asking?
I can't remember the term but there is an old way of making a barrel with a strip of metal that is spirralled together and then forged at least thats what I recall an old knickerbocker double shot gun my father has being made that way. Somtimes there were week spots in those old shot gun barrels and they would bulge near the firing pin from the repeated explosions which Is why happened to the one my father has. I wouldn't dare fire it again!
Here is the "model T" knife out of its leaf spring that I haven't finished and a fillet knife I made 2 years ago. The handle is out of an old piece of cedar tree I cut from my yard and turned on the lathe then carved . The handle was then oiled and polished over and over. The blade was also chemically blued after being heat treated.
That model T blade is very hard though you can tap it against something and hear that tingy ring . Very sharp too! I new to straighten it slightly and elongate it some was well. The groove you see in it was a groove in the spring. I have more of the spring though so I will be making a few more.

This thread has turned out to be great! I love seeing all this stuff! And it's made me bring out my knife projects I need to finish!