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Iíve started a new project, and itís a cross between a bowie and a khukri... a "Bowkri".
I did the original design in CAD. Here's the overall dimensions
(about 15 x 3 inches).
I had a bunch of blanks laser cut from ľĒ thick 6150 spring steel (essentially the same stuff as the leaf springs in a truck).
Hereís a rough ground blade next to a blank:
Here's some quick videos I took of the grinding process:
VIDEO 1: Rough Grinding a Blank - A 36 grit belt throwing a good shower of sparks.
VIDEO 2: Finishing up the Rough Grind - A couple hours into the grind, and it's shaping up nice.
VIDEO 3: Final Smoothing - Now it's starting to look like a blade!
If you're wondering what that little "hook" is used for, you've
apparently never been in the life or death wilderness dilemma of not being able
to open your beer.
I did a differential heat treating to give me an extremely hard cutting edge, but retain the spring toughness along the spine. I did an inch or so at a time, and each area saw multiple quick trips to austenitic followed by quench.
After heat treating, I went to finer and finer belts, and finally a buffing wheel with jewelerís rouge to bring out a nice mirror finish.
Check back... I'll hopefully be adding some final finishing videos soon showing the buffing process to bring out a mirror finish.
Hereís a nearly complete blade next to another khukri Iíve been working on. As you can see, the khukriís can polish up nicely with some effort!
Finally, Iíve been trying a few different techniques for doing custom acid etchings on my blades. Here's a flame and logo pattern I Photoshopped to test my etching process:
Here's a blade, masked in vinyl sheet and ready for the ferric chloride bath:
The end results!
I'll be adding handles and sheaths real soon,
so check back for more pics and videos including some abusive and downright
See BOWKRI PROJECT II !!!
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