Shelby, NC 

704-434-6496

blgoode@bellsouth.net

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Blade strength and testing

My shop


My new shop

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Cutting the blade

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Me hard at work again

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Harbor Freight Saw

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Knife in progress

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KMG Grinder

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2 x 42 Craftsman grinder


Templates

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Working on the spine with custom rotating vise

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Delta drill press

 
 

Blade Testing

 
Testing 0-1 From my shop. Well, I thought I would post about a test blade I just recently destroyed.  The steel is 1/8", 4.5" drop/spear point 0-1 that was flat ground and heat treated by myself. This knife was differentially heat treated to have a hard edge and a soft spine to aid in flex. I put a hair-popping edge on it and headed for the bush :big-thump
Finding 2" to 3" hard wood is pretty easy around my house. I took my baton and went through 3 of these pretty fast.

A nicer handle would have made this a lot more comfortable but its the steel I am testing in this situation. What I was looking for was wood I would have used in a shelter building situation. Wood that is tough, not rotten, and wood that is hard to see if the blade will chip out. Chip out she did not. Shave still...yes

 

Without sharpening I went into the kitchen. In my kitchen a potato will let you know a dull blade fast. A dull knife will not slice a potato but will make it break off in pieces. Glad to see that the edge cut this potato with ease.

Next - make this blade fail. I have read where a car hood is a good test on the durability of the blade so I went a step further. A folding chair. Next time your sitting in one just feel how hard the seat is. I took my baton and went at the chair using the tip to pierce the seat to get started. The tip did not break. I used the baton to cut a nice size hole in the chair.
I was surprised at just how far I got before the blade showed substantial edge damage. I was very pleased at how the blade held up. I would not have one second thought about using this knife hard in the field and knowing it would not fail.

:biggthump :biggthump
I will etch the blade to read the grain structure and keep this knife as a guide. It will tell me more about the knives coming out of the shop in the future.

I also snapped the blade in half to see the inside grain. Nice and satin. Blade bent to about a 45 degree before breaking. Would have made an awesome knife but what I learn from doing this is what I am after

Thanks for looking.......
 

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