The Naked Farmer

David and Mike thanks for the comments.

David the lockbar doesn't actually sit as high as it looks in the disassembled knife pic, check the picture directly under my caption "tonight's work" in my previous post and you can see it sitting flush with the blade spine. I appreciate the spyderco pics, I might try going that route.

Yeah I see now. Thanks for clearing that up. Great thread!


What a great thread. And a tip of the hat to the mods for letting it stay here so we can watch this unfold....
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Yeah I hope they don't mind the pics of the Spydie I put in. I really am only trying to show the pinched lockbar. Not trying to put non-traditional pics in here.

I agree. I really enjoy this thread.
 
I agree, this is an awesome thread. I've learned a lot about what goes into a lockback reading this.
 
Spyderco "pinches" the lockbar on some of the Moki Japan made lock backs. It does the same thing that you are trying to do. Here's a few pics of what I mean.
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I wonder how they achieve this. I had posted a good while back about doing something similar with an old Cold Steel lockback of mine that had loosened up. My thought was to use a staking tool (for firearms) and 'push' some material into the gap to take care of the rocking but I never got around to doing it.

Interested in seeing how you tackle it greg c. GREAT thread by the way:thumbup:
 
Well the kids are off at a playdate with my lovely wife and I've got the day off from work so before I get to hanging some curtain rods and a few other honey-do's I figured I'd get this done.

Well David's idea of crimping the lockbar was great, thanks you very much! I used a screwdriver bit and a hammer to get my smashy-smashy on and it didn't take much tapping to get a nice deformity going.

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Not too pretty from the front but this is hidden in the handle and now it locks up perfectly.

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You can see with the knife locked up that the deformation has caused a localized bulge in the lockbar above the plane of the handle spine where previously it had lain flat. This we can take care of during final sanding.

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With the lockup fixed it's time to put the blade in permanently. I use a needle and red Loctite to cover the corby bolt inside threads and screw it so the pivot tension is just where the blade will gently fall closed.

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While the Loctite is setting we’ll do some sanding. See how nice the lockbar spine looks again after a few passes?

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Ok Loctite is set, hacksaw the excess Corby bolt off.

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Now grab the 150grit and do some finishing work. We're going to leave this one somewhat rough finished to allow for a good grip as befits a working tool.

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Once the flats are smooth I take a strip of sandpaper, grab both ends and them pull downward as I'm sanding to create a rounding action so the corners of the handles are not too sharp. One hand is holding the camera so you'll have to use your imagination.

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See what I mean?

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Then off to the diamond stone for some edgework, a soapy bath, a mineral oil rehydration and here's what we're left with:

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It's about 1mm underbladed now but it looks like more because I rounded the sharp blade tang corners to save my pockets from wear and tear.

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Finally a tool I can be proud to use. I like the O1 better than 1095, seems to be slightly better at holding its edge. I wish they used more of it in their regular line.

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Thanks to my boy for letting me use his vehicle. I've got another son coming in December, which of them will get this knife? :confused:

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Thanks all for reading along and all the great comments, I probably got this done 10x faster than planned just knowing you guys were waiting to see the end result. Thanks as well to the mods for letting it stay in my home forum here on BF.

I now return to lurker mode- until another knife pisses me off! :rolleyes:
 
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Beautiful work. I like the Farmer Lock a lot already, but this slimmer tougher modification knocks it out the park. Curious why they don't get much play here on the forum. Guessing its due to a couple issues the pattern is prone to, which you've dealt with nicely here.
 
Awesome job bro, that thing looks fantastic! I appreciate the step by step detail and pics, helps me wrap my head around what goes on to get to the finished product. Enjoy the blade and congrats on the upcoming new member to the family!
 
Fantastic. Glad it worked. Not really my idea as I just saw Spyderco does it sometimes.

Finished knife looks great. Nice work.
 
That looks great! I am also impressed that you did much of the finish work without power tools.
 
I'm amazed at the finished knife. Looks really good. This thread has inspired me to spend a bit more time tinkering on the workbench although I have absolutely no idea how to get started making a knife :o
Linus
 
Most enjoyable read, thank you for taking the trouble. It came out great this is a knife you should be proud of.

Mike
 
:cool:

What a great thread with great detail. Thanks and nice work. :thumbup:
 
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