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File Knife

Bondy- cool! suggestion and ideas are just that. I've been coming across pretty harsh lately, I'm told, and really do think you've made a seriously good knife.

Detail on the idea of raising the convex grind- this is a recent technique in my work. I've been doing it on the really large blades, and found that it is translating well to the thicker (1/8 to 3/16) "small" blades. I do about 75% of the blade profile and then get the convex grind going until I have a good distal taper built with the convex coming up over the spine on the fron third or so of the blade, then tune the profile and finalize the grind. I just heat treated one of these in a spearpoint and it's possibly the best 'small' knife I've done in terms of grind angle and mass.

Takes a bit of work to translate that from words into form, but if you want to do a more tapered grind (I honestly don't like a taper on a straight spine leuku influenced bushcrafter. batoning!) for a different style, that's something to look at.

Obviously, not something I'd suggest for this knife. Hell, I'm tempted to ask you if you want to do a trade after the holidays. I really, really like it.


I am interested in both the manufacturer of the file and the heat treat, myself.

I've found I'm more hit and miss with modern nicholsons that the older japanese files I pick up at flea markets. Honestly, if it's old and says japan, I know it's going to be a decent knife.
 
hey Christof like i said i really appreciate and enjoy what you got to say:thumbup:. to be honest i cut this knife out without knowing if it would work out or not. it could always be a letter opener right:)
the file was called a Bellota from spain, to heat treat i heated it to past non magnetic let it soak a bit at that then quench in warm oil, file just skated off:D
then in the oven on 240 for 50 minutes or until dark straw colour.
seams ok .
about the grind it probably could do with being higher but i wanted to keep some file work on the side. im not going to do it now my little grinders not up to it:(save that for when i get the new one going:D.
thanks again Warren
 
Sounds like a good basic heat treat. Did you triple temper? I also sometimes draw the spine a hair more with a hand held torch for batoning. Okay, most of the time :D And that style of convex really splits wood well!

What do you use for a grinder? I do NOT miss the days of having a 1x30, let me tell you!
 
Christof no i didnt triple temper,do notice the difference.
heres the grinder im using now the little blue one:(
2009_10200015.jpg


and heres one iv made 2x72 just need motor and pulleys or variable speed
set up. what do you recommend.hope were not boring everyone:grumpy:

2009_11190055.jpg
 
nice job on the grinder!

Honestly, if it's a matter of getting it up and running fast, a 1HP single speed will do the job! but a VFD and a 1.5 horse will make things so much sweeter.

I don't know what's available to you on your side of the pond, though.
 
File knives are good - a friend of mine makes them in various sizes and they're good performess .
 
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