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Knife Thread

All non-spudgun related discussion goes here such as projects, theories, serious questions, etc. All "off-topic" posts (aka useless posting, determined by moderators) will be removed.
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Unread postAuthor: jakethebeast » Thu Sep 01, 2011 11:44 pm

jsr, if i remember right i have posted a picturre of our little ballistic knife project. well, i can post it again anyways :D

Image

i dont have pictures of the finished one, my friend has it and i dont know where it is right now :(
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Unread postAuthor: jackssmirkingrevenge » Thu Sep 01, 2011 11:52 pm

Iremember;) but we never saw it working, right? I want to make a pneumatic one likethis, I have a couple of old knives as blade donors, the rest should be relatively easy to cook up on the lathe, I already played with something similar...
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Unread postAuthor: jakethebeast » Fri Sep 02, 2011 12:40 am

No, you didint. We builded this about a year ago and it still isnt working, my friend havent got right spring for it :evil:

Im trying to finish the shieth today, well see if she gibes me a moment for that :D
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Unread postAuthor: Crna Legija » Fri Sep 02, 2011 1:14 am

I say make it work with air they are much more powerful and take no force to load, if you have a compressor no pumping too. At 300psi my one will just make it thorough 20mm pine board, your one looks like it can take 800psi quite well but the recoil will blow it out of your hand :lol:.
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Unread postAuthor: jakethebeast » Fri Sep 02, 2011 1:27 am

Hmmm HPA ballistic knife, whit laminated dagger blade hmmmmmmm
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Unread postAuthor: jakethebeast » Fri Sep 02, 2011 3:50 pm

sry, again double posting, but this has nothign to do with my lastest post, so ill post a new one!

just finished the sheath of the Puukko, and i think it turned out pretty nice.
picture says more thatn 1000 words, but how about 5 pics? :wink:

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Unread postAuthor: mattyzip77 » Fri Sep 02, 2011 5:29 pm

Came out good, nice and clean, but is it actually that sharp?? :toothy10:
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Unread postAuthor: Fnord » Fri Sep 02, 2011 6:57 pm

I like how you leave the rough forged texture on the spine rather than smoothing it... it adds a bit of contrast to the blade edge. I need to get off my butt and make some knives.

Matty, I can pretty much guarantee jake's blades are sharp enough to shave with. If you grind the angles correctly and heat treat them well, getting a razor edge is actually pretty easy.
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 02, 2011 8:53 pm

ballistic knife prototype coming along :) shown next to my skeletool for scale
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Unread postAuthor: Gun Freak » Fri Sep 02, 2011 9:24 pm

Looks valveless! :D Am I right?
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Unread postAuthor: LeMaudit » Fri Sep 02, 2011 9:41 pm

oh goodie!!!!!
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 02, 2011 10:29 pm

Gun Freak wrote:Looks valveless! :D Am I right?


Yep, this is a more detailed view of the construction:
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Unread postAuthor: Gun Freak » Fri Sep 02, 2011 10:34 pm

Awesome! Can't wait for you to finish it!
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 02, 2011 10:52 pm

Gun Freak wrote:Can't wait for you to finish it!


As there's epoxy involved you'll have to wait at least 24 hours to see it in action, but here's the whole thing in the meantime, obviously needs finishing.
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Unread postAuthor: jakethebeast » Sat Sep 03, 2011 1:57 am

nice jsr, nice! thats going to be awesome!

matty: yeah basicly these puukkos are razor sharp, when you sand it and then buff it to mirror, its already razor sharp

fnord: the forged spine has three features.
1. these days, you cant be sure has the blade even been hot when making it, the forged spine proves that it is :)
2. its a traditional feature. hundred years ago when they only had grinding stones, finnish people made the puukkos only to work, not to be aestetic
3. when you forge the blade nicely, smooth the big bumps whit the hammer, the forged spine is very beautifull
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