What's the strongest a fixed blade can be without weighing too much?

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RX-79G said:
Most of the speculation is not about the topic. It was about increasing strength while maintaining traditional weight and balance.
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Well, you can increase strength while maintaining those two factors, but cutting performance will probably drop as the form is brought closer and closer to being something like conically tapered rod stock. Same mass in all the same places from a proximal/distal standpoint, but narrower, thicker shape with all transitions smoothed to the max. The real secret is to just select a design that's optimized for a particular functional context in the first place, and then use it appropriately within its prescribed limits. The context of use will dictate the best manner to balance strength against other factors.
 
craytab said:
What is "traditional weight and balance"?
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What the OP has been struggling to convey, and what he's trying to reiterate here, is that he wants to talk about various means by which knives can be strengthened/made more resistant to the forces encountered while chopping & the like, without simply making them thicker & thus heavier, all while maintaining good working balance.

My mistake in reading his opening post was assuming that the Duty knife was his and he had broken it himself....so when I recognized that picture & that knife specifically, I first thought he was trying to pull a fast one, then I realized he was just using the pic, and other pics of other knives to follow, to act as conversation starters. And now we're here. Wait, where are we?
 
Q: What's the strongest a fixed blade can be without weighing too much?

A: Pick the alloy you want to use, and get a chunk of it that weighs a little bit less than too much. Forge the alloy into a fixed blade size and shape that pleases you, which also has minimal to no stress raisers. Do not drill a single hole in the blade, and round off all corners that aren't the edge. Then apply a perfect heat-treatment that's designed for toughness.

That is the strongest it can be without weighing too much.
 
NOSS has done some considerable testing to failure of many different brands and steels.


Look on YouTube for Busse destruction test. That will get you to his YouTube channel. It used to be a hosted website. Hours and hours and hours of pounding on knives. Chopping concrete. Stabbing steel, battoning through angle iron, steel pipe, etc. The the vice, and the side blows with the small sledge hammer.



He can answer your question. He can guide and mold you on your search for ultimate strength mingled with traditional balance and weight.

But you have to be worthy. You have to want the knowledge for pure reasons. No vengeance or power seekers can find him.

You have to be willing to forget everything you thought you knew about knives, and steel, and cutlery design.

I have heard rumors he makes every pupil he trains start out with 1095 steel.







Just finding random knife failure pics from the Web does not help much.


I've broken a few knives in my time. I can tell you how I broke mine, and why they failed.
 
I had a lot more to post with more illustrations before really getting into the meat of what the thread was supposed to be about. But the website doesn't work, so I can't do anything with all the stuff I wrote and saved.

VanDammet is spot on. Those that are trying to read my mind beyond that aren't. That is no one's fault but the server BF is located on, because I can't post much and you can't guess.
 
As others have pointed out, the content of the op doesnt seem to have much to do with the question in the op title/heading.

In regards to which knife blade has the best strength to minimal weight ratio, the answer is a MISSION BETA titanium knife.
 
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