Strongest folding knife !

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grownstar said:
Only if they include documented lateral stress tests!
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Definitely nothing worse than blowing that one mega bubble and your Swiss bubble blower fails catastrophically ! If only someone could design such a weapon.
 
Yeah I double checked a few times while reading this thread, it wasn't. Wish I was lying about that.
 
Ok guys.......Attached is FFK with a left bolster that surrounds the thumb lever. In addition the thumb lever is very short throw. Once blade is opened you then slide thumb lever forward and then push down to lock. This left bolster version has been in development and have not made prototype of it yetFFK SHORT THROW.jpg
 
That design looks a lot more attractive, Commander blade shape and a smooth handle. Nice update 👍
 
It being flushed with the scale is a HUGE improvement :thumbup:.

Are you having these CNC built? If so have you given though about having some of the prototypes done in wood or plastic to test ergonomics and other details before committing to a "real" prototype since you seem to be working with prototypes before finalizing your product. Just thought of this as I had a conversation with a friend who was hired to create the blueprint or whatever you want to call it for a CNC machine to make a guitar for someone and that guy is having prototypes done in cheaper wood to test the fit/finish, manufacturing process, iron out flaws, etc before making a "real" prototype.
 
Rapid prototyping......and yes we have made an FFK like the pics posted recently in plastic. It does help with ergonomics only and that is an option. Each rapid prototype costs around $300. Actual FFK prototypes cost around $6000 and help much more.
Sticker shock !
 
Rapid prototyping......and yes we have made an FFK like the pics posted recently in plastic. It does help with ergonomics only and that is an option. Each rapid prototype costs around $300. Actual FFK prototypes cost around $6000 and help much more.
Sticker shock !
 
That looks a lot better and much more comfortable.

Not sure if playing with this would be of interest, but adding spine serrations to the handle (like the Benchmade 710) may be helpful since the larger size of the knife means it will be hard for some hands to reach spine serrations made only on the blade, and these serrations make a huge difference in control.
 
FFK said:
FFK short throw foldedView attachment 446659
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Mike this looks to be a big improvement with the handle, scales and making a shorter throw forward engaging lock system. I still suggest you enlarge the rapid Prototype to your 7-9 inch Bowie blade and a fitting handle before you drop the 6K for your actual prototype.
Then you can do all of your Lateral stress tests on the actual knife you want to have & sell.
 
The lateral FEA tests that have been done clamp the handle portion just behind the locking mechanism to end of handle. A force is then applied at a point on flat side of blade approximately 60% from pivot pin. To do an actual test it would be reversed , where the blade would be clamped at the 60% from pivot pin and weights hung from handle.
 
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