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Author Topic: Knife made out of car leaf spring  (Read 5003 times)

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mothmandaddy

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Knife made out of car leaf spring
« on: May 26, 2017, 04:37:45 PM »
this is one made out of 1095 spring steel out of a car leaf spring,it is 9 1/2 inches long full tang wrapped in para cord digital camo hand stitched leather with no clip (ambidextrous) carry very sharp. What you all think?
« Last Edit: May 26, 2017, 04:48:22 PM by mothmandaddy »
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rich

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Re: Knife made out of car leaf spring
« Reply #1 on: May 26, 2017, 09:37:51 PM »
Looks great!
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citycowboy

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Re: Knife made out of car leaf spring
« Reply #2 on: May 27, 2017, 11:20:43 AM »
Cool !!! Great way to use old car parts!
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cvasqu03

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Re: Knife made out of car leaf spring
« Reply #3 on: May 27, 2017, 04:17:51 PM »
Nice.

Interesting you should post this, I recently saw an episode of Forged in Fire where the gunsmiths were tasked with harvesting parts from a wrecked car and making a knife out of that, and they all chose to work on the spring steel as they found it would be the best for a knife.
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ranger1968

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Re: Knife made out of car leaf spring
« Reply #4 on: May 27, 2017, 08:06:34 PM »
 Many folks don't know this, but a lot of the real-deal Kukri's  are made from truck leaf springs;

 That knife you made came out pretty nice, thanks for posting! 8)
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Venom00

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Re: Knife made out of car leaf spring
« Reply #5 on: May 29, 2017, 09:31:23 PM »
Quote from: ranger1968 on May 27, 2017, 08:06:34 PM
Many folks don't know this, but a lot of the real-deal Kukri's  are made from truck leaf springs;

 That knife you made came out pretty nice, thanks for posting! 8)

Mercedes trucks to be more specific due to the better steel. The real kukris are built like tanks. Mine is one of my favorite knives.


Moth the knife looks good. Reminds me of some of the ESEE designs. How long did it take you to make?
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mothmandaddy

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Re: Knife made out of car leaf spring
« Reply #6 on: May 30, 2017, 08:51:53 AM »
first time 3 days. then i had to back and redo the blade again after the metal cracked it and been quenched to quick. 2 time it took me a week with the same blade :banghead:
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Danjal

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Re: Knife made out of car leaf spring
« Reply #7 on: May 30, 2017, 09:52:51 AM »
What quench process are you using? Iirc leaf springs are 1068 or similar steel.
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mothmandaddy

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Re: Knife made out of car leaf spring
« Reply #8 on: May 31, 2017, 09:29:58 AM »
on the first quench I used vegetable oil, guess it was too light; second time around I used motor oil 10w40 and then hardened it more at oven temp at 400 degrees for an hour I mostly learn as I go and had to ask my friend what could've cause it to crack . he gave me 3; cooled to quick, to light of an oil or water got on the blade while forging.
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Danjal

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Re: Knife made out of car leaf spring
« Reply #9 on: May 31, 2017, 11:59:17 AM »
Preheat your quenching oil to 250-300 degrees before quenching. Otherwise you can cool your blade too quickly. Veg oil should work just fine.

The only real difference in mineral Vs vegetable oil quenching is the price unless you use grease. I've heard of beer, brine, water, and lard all being used also.
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mothmandaddy

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Re: Knife made out of car leaf spring
« Reply #10 on: June 23, 2017, 09:14:24 AM »
next time I will try that, heating the oil a little bit might be the trick Im looking for. i have used other quenching methods before like what you said; but beer? that is very interesting, i wonder what beer would do and if would give the blade a different temper;Im going to have to try that one. might have a problem of not licking the blade afterwards :compress: \:D/ :drunken: :drunken: :drunken:
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