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| General Spearfishing Discussion This is where you post to discuss general spearfishing topics that could apply to any region. |
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#1 |
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Registered User
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Braining knife
I have used my regular dive knofes for braining but it is difficult. I dont have a stilleto knife and planned to get one when I remembered an old stainless knife I found about 20 years ago. I dugg it out and it is a Sani-Safe 316 stainless from Dexter Russel. I had shapped the handle a bit with a tourch and a glove to fit my hand when I was 14 or 15. I am thinking of cutting the blade to make it a dedicated brainer. I have a couple of patterns drawn and would like some input.
Let me know ![]() ![]() Thanks Steven
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Steven "She had a deep, throaty, genuine laugh, like that sound a dog makes just before it throws up." http://www.facebook.com/people/Steven-Prater/1240175811 |
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#2 |
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snorklin'
Join Date: Jul 2006
Location: Hawke's Bay, New Zealand
Posts: 2,774
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Re: Braining knife
How would those shapes fit in a sheath? They may be a little loose. If you're going to be cutting, you might as well make a nice symmetrical stiletto blade. Otherwise, you could just get an ice pick.
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Kolt |
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#3 |
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freedive spearo
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Re: Braining knife
well with the right edge geometry, the tanto shape will be the perfect brainer, problem would be heating the blade too much when you grind it and making it loose its temper.
if you mirrored the edge curve on the spine to make a stilletto blade, and flat ground each side sharp, you'd have a really nice blade.. just whatever you do, dont heat it too much.. if you cant touch the metal comfortably, its too hot. |
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#4 |
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Registered User
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Re: Braining knife
Kolt, I was going to make a sheath with some scrap teak from the gun build. I would like a stilleto but the knife is thin and I think it would not be rigid enough for that cut.
I am planning to use my cutoff tool on the dremel with some water dips to keep the heat down. I really only need the tip sharp.
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Steven "She had a deep, throaty, genuine laugh, like that sound a dog makes just before it throws up." http://www.facebook.com/people/Steven-Prater/1240175811 |
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#5 |
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www.aoys.com
Join Date: Nov 2007
Location: Boynton Beach, FL
Posts: 4,033
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Re: Braining knife
Prater, best braining tool is a oyster schucker from a restaurant supply store. It has a 6 inch dagger like blade with a blunt tip. I took it to a grinder(bench) and thinned the blade on both sides and sharpenned the tip. The blade is centered on the handle and by making it thinner, you can insert it into the fish's head and TWIST. When you insert it, sometimes nothing happens, but the minute you give it that twist, you can feel the fish shudder. It is all in the twist.
I will try to post a pic. I drilled a hole in the handle and fastened it via mini carabiner to the but of my gun. Works well.
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#6 |
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Wong minister
Join Date: Feb 2006
Location: 24° 8′ 32″ N, 110° 18′ 39″ W
Posts: 1,775
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Re: Braining knife
If you donŽt want to spend the money for a brand new daga, get a stainless steel ice pick with a nice rubber handle, fit it in a hose tube piece and youŽll be set.
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" Randomness is not the absence of order; it is the presence of every possible type of order" |
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#7 | |
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Get used to it, comrade.
Join Date: Feb 2008
Posts: 1,307
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Re: Braining knife
Quote:
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"A man of true science uses but a few hard words, and those only when none other will answer his purpose; whereas the smatterer in science...thinks that by mouthing hard words he understands hard things." Herman Melville |
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#8 |
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Wong minister
Join Date: Feb 2006
Location: 24° 8′ 32″ N, 110° 18′ 39″ W
Posts: 1,775
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Re: Braining knife
here you go
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" Randomness is not the absence of order; it is the presence of every possible type of order" |
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#9 |
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www.aoys.com
Join Date: Nov 2007
Location: Boynton Beach, FL
Posts: 4,033
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Re: Braining knife
Those are ok, but do not offer the twist effect. Plus, they can make ahole in your bc real easy!
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#10 |
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Senior Member
Join Date: Nov 2007
Location: Ft Lauderdale
Age: 39
Posts: 1,156
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Re: Braining knife
What size fish do you foresee yourself having to dispatch? If they're not to big I'd say stay away from the icepick/sharpened screwdriver type deal. Unless you make them short, but then you'd be better off with a stiletto.
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#11 |
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Get used to it, comrade.
Join Date: Feb 2008
Posts: 1,307
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Re: Braining knife
Maverick: are you in there???
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"A man of true science uses but a few hard words, and those only when none other will answer his purpose; whereas the smatterer in science...thinks that by mouthing hard words he understands hard things." Herman Melville |
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#12 |
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www.aoys.com
Join Date: Nov 2007
Location: Boynton Beach, FL
Posts: 4,033
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Re: Braining knife
10-4. Still here, but not for long!! ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ!!
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#13 |
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Jon Stallbaum
Join Date: Sep 2007
Location: Brevard, florida, rockledge
Posts: 557
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Re: Braining knife
6" oyster shucking knife? Are you saying the blade is 6 inches or 6 inches over all. I always have seen oyster knifes to be less then 4 inches.
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#14 |
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www.aoys.com
Join Date: Nov 2007
Location: Boynton Beach, FL
Posts: 4,033
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Re: Braining knife
Maybe 4 or 5???????? Got to measure it. I will posta pic later.
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#15 |
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Get used to it, comrade.
Join Date: Feb 2008
Posts: 1,307
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Re: Braining knife
the blade on the oster knife is only 2"-3" in length and the handle is 3-4.
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"A man of true science uses but a few hard words, and those only when none other will answer his purpose; whereas the smatterer in science...thinks that by mouthing hard words he understands hard things." Herman Melville |
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