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Thread: Homemade chisel knife

  1. #1
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    Default Homemade chisel knife

    For some completely unknown reason I've been hankering for one of those combo chisel.knife pieces. But I just couldn't justify spending the money. So last weeekend I was at a garage sale and the guy had a '70s vintage drawknife that he'd dropped and broken one handle off from, so I grabbed it for a buck.

    IMG_4139.jpg

    I used a cutoff disk to start trimming down the bits;

    IMG_4140.jpg

    And an angle grinder to shape down a bit of a handle.

    IMG_4141.jpg

    I roughed out the bevels using a high speed grinder and going slowly to avoid heat and now I'm working on the chisel bevel on the wet wheel. What I didn't take into consideration is that 1/4" stock cutting back 25 degrees means moving a LOT of metal, and there was just a bit of stamping left in the backside that I should have ground out before I started on the wheel, so I still have more to go.

    IMG_4142.jpg

    I'll lay back the knife bevel further with the hispeed before I continue that part. Then I have to figure out how to drill holes for riveting on the scales. By all rights, I should have annealed it all first, but once I started playing it all kinda went its own way. I probably would have been better off just spending the bucks, but where's the fun in that?

  2. #2
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    Default Re: Homemade chisel knife

    Very cool!

  3. #3
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    Default Re: Homemade chisel knife

    I love this kind of DYI. Kudos-
    Gerard>
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  4. #4
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    Default Re: Homemade chisel knife

    I bought Lee valleys version years ago. Handy when you need it. Odd that handle snapping like that though.

  5. #5
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    Default Re: Homemade chisel knife

    Could you show us a photo of how you use it?

  6. #6
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    Default Re: Homemade chisel knife

    so are you a righty or a lefty?
    Simpler is better, except when complicated looks really cool.

  7. #7
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    Default Re: Homemade chisel knife

    I have one of these on my tool belt and use it daily:




    High carbon steel blade, seems pretty rugged. Best part? $11.96

    https://www.amazon.com/Morakniv-Craf...orakniv+chisel

  8. #8
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Rob Hazard View Post
    Could you show us a photo of how you use it?
    when it is in daily use
    Quote Originally Posted by StevenBauer View Post
    I have one of these on my tool belt and use it daily:







    High carbon steel blade, seems pretty rugged. Best part? $11.96

    https://www.amazon.com/Morakniv-Craf...orakniv+chisel

    I have never heard of, or seen one.

    I googled it and found they were dirt cheap.

    So perhaps Steve will enlighten Rob and myself as to what exactly they impart that most other hand cutting tool does. Especially when it is in daily use

  9. #9
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    Default Re: Homemade chisel knife

    They’re about a quarter inch thick in back so you can whack them like a mini froe. Lee valley calls it a Batoning Knife now nicer than what I have. Definitely not a finesse tool.
    Last edited by Boater14; 04-11-2018 at 09:12 AM.

  10. #10
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Paul Pless View Post
    so are you a righty or a lefty?
    I'm a "righty", so I have the bevels on the right and can guide the chisel with my left thumb without it becoming a sacrificial goat again (it takes a beating, it does). I just finished jury rigging a bevelling jig on my wheel so I can get a consistent bevel on the long side. Guess I'd best get back to work on it, eh?

  11. #11
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Boater14 View Post
    I bought Lee valleys version years ago. Handy when you need it. Odd that handle snapping like that though.
    Good point, so I looked at the broken chunk of handle. It looks to me like it was a bad weld where they attached the rod for the handle, the parent stock looks fine.

    On the repuropsing side, I decided to make the scales out of an old recognition plaque that my father-in-law had hanging in the office. He was a die-hard re-purposer and once made a sawmill setworks computer out of an old Wurlitzer Bubble Top Juke Box. My wife never forgave him for that one, so it's with some satisfaction on her part that I'm using his plaque.

    IMG_4144.jpg

    A few minutes with the heat gun and tablesaw and I ended up with this:

    IMG_4146.jpg

    I had to do some jury-rigging on my wet wheel to be able to have clearance to grind the (mostly uniform) 25 degree bevel. I left ~.020" (.5mm for the Imperially challenged) of the old bevel that I'll shape out when I do the final sharpening. Much to my surprise, there's a bit of a hardening line that can be seen through the long face. I couldn't see that with the rough grinding, although I could feel something. I certainly felt it working on the wet wheel!

    IMG_4147.jpg

    Now I've gotta dig up some decent drill bots. I toasted my 5/32 cheapo tungsten drilling that one hole.

  12. #12
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    Default Re: Homemade chisel knife

    OK...back on task here:
    I shaped and pinned the bolsters. They're bedded in unthickened epoxy not for adhesion, but to keep crud and moisture out from between the materials. The holes are step-drilled; .125 for a snug fit for the pin and then stepped up to a #80 (.135) to within about an eighth inch of the mounting surface. That'll give the pin some room to expand on peining (in theory).
    IMG_4171.jpg

    While the epoxy was setting I measured the bevel and trimmed the scales to match. Professional knifemakers I'm told undercut the bolsters a little bit to avoid a gap between bolster and scale, but I found ut about that a little belatedly. We'll see how the final fit looks:
    IMG_4172.jpgIMG_4173.jpg

    With the scales bevelled, I transfer drilled the holes from the tang to the wood, cut the pins and counterbored tha handles like I did the bolsters. Now it's time to go work on the deck some more.
    IMG_4174.jpg

  13. #13
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    Default Re: Homemade chisel knife

    Did a little die grinder work to trim down the bolsters and then epoxied on the (really fat) scales and set the pins.
    IMG_4182.jpgIMG_4181.jpg

    Then, once things had cured a bit I attacked it with 80 grit on the belt sander, followed by some refining with 220. Still some shaping to do ont he grip, but it's getting there:
    IMG_4183.jpgIMG_4184.jpg

    Wednesday is supposed to be rainy, so I can finish up the grip maybe. In the meantime I'm debating about what kind of finish to put on ot. Probably just seal it up good with some tung oil, I'm thinkin'.

  14. #14
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    Default Re: Homemade chisel knife

    Those brass pins look good and match the bolsters. I usually just use copper rod, mainly because I have it here.
    '' You ain't gonna learn what you don't want to know. ''
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  15. #15
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    Default Re: Homemade chisel knife

    Oooo...copper would look neat, too. I had the brass leftover from another project...which begs the question: Why is everything I make for myself made up of "leftovers"?

  16. #16
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    Default Re: Homemade chisel knife

    Nice job. Bring it to a messabout to show off sometime. The summer solstice event at Cathlamet is coming up.
    David G
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  17. #17
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    Default Re: Homemade chisel knife

    It's getting pretty Hugh.

    I've gotten good results just standing dried out knife handles in a can of tung oil for a few days.

  18. #18
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    Default Re: Homemade chisel knife

    I like it ! Hugh, thanks for sharing this, I need to get building something similar.



    Rick

  19. #19
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    Default Re: Homemade chisel knife

    Very nice!

  20. #20
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    Default Re: Homemade chisel knife

    Quote Originally Posted by David G View Post
    Nice job. Bring it to a messabout to show off sometime. The summer solstice event at Cathlamet is coming up.
    It looks like I'll be able to make it to the June/July function. I'll toss it in the car for that

  21. #21
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    Default Re: Homemade chisel knife

    Was it crocodile Dundee who said now that’s a knife?

  22. #22
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    Default Re: Homemade chisel knife

    Wow, a minny frow! That is one cool tool! That ferrule and handle are nice touch too!
    Jay

  23. #23
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    Default Re: Homemade chisel knife

    With any luck you’ll share the sheath making, too.

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    Default Re: Homemade chisel knife

    another name is a glaziers putty hacker, or similar , used for hacking out old hard putty from frame rebates. also not a 'fine' tool but everso useful in dozens of ways.

    Nice work.
    'C'est la vie' say the old folks it goes to show you never can tell

  25. #25
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Boater14 View Post
    Was it crocodile Dundee who said now that’s a knife?

    "That's not a knife ....That's a knife"
    'C'est la vie' say the old folks it goes to show you never can tell

  26. #26
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    Default Re: Homemade chisel knife

    Quote Originally Posted by StevenBauer View Post
    With any luck you’ll share the sheath making, too.
    I'd opt for a wooden sheath. My knife cut through the leather one I had.
    Jay

  27. #27
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Jay Greer View Post
    I'd opt for a wooden sheath. My knife cut through the leather one I had.
    Jay
    I'll certainly have a wood liner, probably with a rawhide guard at the lip. A friend wants to help me make the sheath...probably partially molded around the grip. Speaking of which, here's the knife, 2 coats of tung oil and a quckie edge thrown on, The back is going to take lots of flattening, but I have it started. I also found some leftover chunks of bandsaw blade, too. Wonder what I oughtta make next?

    IMG_4192.jpg

  28. #28
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    Default Re: Homemade chisel knife

    Kitchen knives are a good project, I have one here I made from a rusty old Diston handsaw found in rubbish throw out.
    '' You ain't gonna learn what you don't want to know. ''
    Grateful Dead

  29. #29
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    Default Re: Homemade chisel knife

    Looks beautiful. I've never seen that tool before, the mind reels with possibilities.

    Thanks for sharing, lots of fun seeing stuff re-purposed so beautifully.
    I try to re-purpose materials, i feel in this age of excess and throw away we have a duty to. So Bravo!
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  30. #30
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    Default Re: Homemade chisel knife

    That is superb.
    My go to boat/beachcomb lockblade is a similar style.
    20180510_121910.jpg

  31. #31
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Hugh MacD View Post
    I'll certainly have a wood liner, probably with a rawhide guard at the lip. A friend wants to help me make the sheath...probably partially molded around the grip. Speaking of which, here's the knife, 2 coats of tung oil and a quckie edge thrown on, The back is going to take lots of flattening, but I have it started. I also found some leftover chunks of bandsaw blade, too. Wonder what I oughtta make next?

    IMG_4192.jpg
    If you go to a place that services tooling such as planer/moulders or jointer knives, a saw filing shop will typically do that, you'll find that once those blades have been ground down to a certain width they're thrown out. These are top grade high speed steel, perfect material for knives, chisels and such.

    John Welsford
    An expert is but a beginner with experience.

  32. #32
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    Default Re: Homemade chisel knife

    Thanks John,
    Luckily I have several chunks of pretty good old sawblade steel to play with. Unkuckily, all of the professional saw shops in this area have folded their tents and retired. The fellow who gave me these blade chunks has a portable mill and gave me pieces of a blade he'd broken and soldered together too many times. He does all his own sharpening due to lack of suitable shops. Sad state of affairs.

  33. #33
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Hugh MacD View Post
    Then I have to figure out how to drill holes for riveting on the scales. By all rights, I should have annealed it all first, but once I started playing it all kinda went its own way. I probably would have been better off just spending the bucks, but where's the fun in that?
    Hi Hugh.

    No need to anneal it all.

    You can clamp that workpiece to your drill-press table and align the hole location with the chuck, then use a piece of rod in place of the bit, turn the drill on high speed, lower the rod into contact with your hole location and lean on it for a little while.

    It won't be long before the hole location gets red hot (or hotter).

    Then you can wait for it to cool, swap your rod for the appropriate drill, and merrily bore your hole.

    It may be helpful to back up the workpiece with a piece of plywood, and have another piece handy, so when you get it hot you can place the second piece of plywood over the hot spot as insulation to slow down the cooling.

    That's all I got.
    Rattling the teacups.

  34. #34
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    Default Re: Homemade chisel knife

    NICE! Spot annealing! I'da never thunk o'that. "Course, with my luck I'd spin weld the rod to the handle

  35. #35
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    Default Re: Homemade chisel knife

    Quote Originally Posted by Hugh MacD View Post
    NICE! Spot annealing! I'da never thunk o'that. "Course, with my luck I'd spin weld the rod to the handle


    The die grinder is a faithful friend in dire circumstances!

    Beautiful work, man!
    Rattling the teacups.

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