For Japanese knife enthusiasts....

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jules

Re: For Japanese knife enthusiasts....
« Reply #320 on: 2 Jun 2019, 01:47 am »
It appears that the shells were for Propaganda.  The shells are of Chinese Origin.

"Wu says unlike regular shells, which are designed to shatter into killing fragments, propaganda shells are ideal for making knives because they are made of high-grade steel, designed to split neatly open and demoralise the opponent."
https://www.lonelyplanet.com/taiwan/kincheng/shopping/maestro-wu-bombshell-steel-knives/a/poi-sho/1358783/1327844


I was scratching my head wondering why it would be demoralizing for a shell to split open but, perhaps obviously, the idea is that when they open, they spread a batch of leaflets. It also seems that they don't so much "split" as blow open via a small fused secondary charge. Hmm, doesn't help with the type of steel does it.

http://www.psywarrior.com/PropArtilleryShell.html


bladesmith

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Re: For Japanese knife enthusiasts....
« Reply #321 on: 2 Jun 2019, 03:26 am »
I was scratching my head wondering why it would be demoralizing for a shell to split open but, perhaps obviously, the idea is that when they open, they spread a batch of leaflets. It also seems that they don't so much "split" as blow open via a small fused secondary charge. Hmm, doesn't help with the type of steel does it.

http://www.psywarrior.com/PropArtilleryShell.html

I am not sure..  it probably is a harder casing, meant to just split, verses shatter into pieces.  Your guess is good as any. I was never an explosive expert.. 
 :popcorn:

aldcoll

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Re: For Japanese knife enthusiasts....
« Reply #322 on: 2 Jun 2019, 04:10 am »
I was scratching my head wondering why it would be demoralizing for a shell to split open but, perhaps obviously, the idea is that when they open, they spread a batch of leaflets. It also seems that they don't so much "split" as blow open via a small fused secondary charge. Hmm, doesn't help with the type of steel does it.

http://www.psywarrior.com/PropArtilleryShell.html
I belive they might have been full or leaflets or propaganda?
Alan

bladesmith

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Re: For Japanese knife enthusiasts....
« Reply #323 on: 3 Jun 2019, 09:35 pm »
Old truck and car springs are good.
They are made of 5160 spring steel.
Some Smith's study and made knives from them and do a very good job. But, that is the trick.  It's not that any one high carbon steel is the best.  Its about being the student of one kind of steel, and mastering that kind.. that is what makes a great smith.. I studied in Japan for 2 years, studied metallurgy for one year.and I have failed a thousand times.  And I've stuck with 01 tool steel and ball bearing steel. I like them both. But, again,  I have mastered them.  01 tool steel is brilliant,  once you know what you are doing..
(I'll stop rabbling now..)

If you get some old truck springs,  they are great to make knives out of..just saying..

V...

Folsom

Re: For Japanese knife enthusiasts....
« Reply #324 on: 3 Jun 2019, 09:45 pm »
I think the old Ruana knives were made from leaf springs. They're sought after more than the new ones by the son who is still making knives.

mresseguie

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Re: For Japanese knife enthusiasts....
« Reply #325 on: 3 Jun 2019, 10:07 pm »
Old truck and car springs are good.
They are made of 5160 spring steel.
Some Smith's study and made knives from them and do a very good job. But, that is the trick.  It's not that any one high carbon steel is the best.  Its about being the student of one kind of steel, and mastering that kind.. that is what makes a great smith.. I studied in Japan for 2 years, studied metallurgy for one year.and I have failed a thousand times.  And I've stuck with 01 tool steel and ball bearing steel. I like them both. But, again,  I have mastered them.  01 tool steel is brilliant,  once you know what you are doing..
(I'll stop rabbling now..)

If you get some old truck springs,  they are great to make knives out of..just saying..

V...

Keep your eyes peeled for news stories wrt a rash of old truck thievery.... :lol:

Bob in St. Louis

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Re: For Japanese knife enthusiasts....
« Reply #326 on: 3 Jun 2019, 11:13 pm »
Personally, I'd love to hear more ramblings about the craft.

bladesmith

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Re: For Japanese knife enthusiasts....
« Reply #327 on: 3 Jun 2019, 11:29 pm »
I think the old Ruana knives were made from leaf springs. They're sought after more than the new ones by the son who is still making knives.

5160 spring steel was a big hit for years. And its still a good steel. It can be made very tough..  and some are doing very well forging it.   Ruan.. has a history..  longer than mine..

Knife makers seem to peak at a point In there lives.  Then fade away, its hard to hand down the legacy and experience..because the newer generations might be interested in something that has more reward financially..
some people get a special,  hand crafted knife, made by a master..  and its handed down.  Thru generations..
To me, it's a good thing..

V..

jules

Re: For Japanese knife enthusiasts....
« Reply #328 on: 4 Jun 2019, 09:32 am »
Knife makers seem to peak at a point In there lives.  Then fade away, its hard to hand down the legacy ...

V..

Interesting, any thoughts on why that might be the case? It seems to suggest subtle judgement or skill is lost at some point ... ?

bladesmith

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Re: For Japanese knife enthusiasts....
« Reply #329 on: 5 Jun 2019, 04:48 am »
Interesting, any thoughts on why that might be the case? It seems to suggest subtle judgement or skill is lost at some point ... ?

Well, Smith's peak,  then go as far as they can with there skills.. a good Smith doesn't have many years of high quality production after they peak.  Maybe like other artist, painters or sculptors..  it's part of the way things seem to be in life. They usually end up starving artist.

Some try to go into large production. Making mediocre products in mass quantities.  They look for great financial gain.. 

V..

jules

Re: For Japanese knife enthusiasts....
« Reply #330 on: 5 Jun 2019, 06:44 am »
Tricky, so as with say, painting [art], it's an individual skill and not something that, even a small support team, is going to produce at the same standard as the "master".

Sort of explains why a rather expensive and apparently well made damascus blade I bought some time ago is a disappointment where a another japanese knife I bought from a little known source is magnificent.