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 Post subject: Challenge
PostPosted: Wed Feb 20, 2013 8:28 pm 

Joined: Tue Jul 24, 2012 1:28 pm
Posts: 532
Hi, I was given this one to sharpen, it is (was) a single bevel knife and I know the owner paid a nice little sum of money for it.

Image

He took it to another sharpening business, and they are able to sharpen any knife in less than 4 minutes and they very proud of that. So now it is a dual beveled knife.
Image

Here is the back of the knife

Image

My intention is to attempt to return it to its original profile by grinding the back an trying to make it flag again and I know that it is easier said than done. In fact it is likely not possible for me, I will just make the that angle on the back as acute as possible. Then I will go at the Blade Road and sharpen it as it should have been done in the first place. If I sharpen it as is, i.e. take the easy road, I'm really just putting a micro bevel on it so I'd like to get it back in the condition it was before he sent it to Knife Hell. I have free reign to do as I will with the knife so this is good practice.

I say that because the next time he is giving me his Yanagiba that he was given in Japan and it too went to same shop. I've seen his Yanagi it is (was) truly a beautiful knife.

Good fun ahead.
Pete


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 Post subject: Re: Challenge
PostPosted: Wed Feb 20, 2013 8:46 pm 
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Joined: Thu Apr 19, 2012 7:18 pm
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Location: Madison Wisconsin
Boy that's an ugly edge. Good luck. Show after pictures. :)



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 Post subject: Re: Challenge
PostPosted: Wed Feb 20, 2013 8:49 pm 
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I might offer another approach.....

Grind only from the bevel side until you've erased that back bevel. It will take a lot of grinding and the knife will be shorter by 1/8" or so, but it will re-establish the knife's single bevelness. :)

This approach assumes, and I believe it is from the pics, that the knife is one hunk of steel.....not clad.

With a diamond plate, or a really coarse stone it won't take terribly long.



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 Post subject: Re: Challenge
PostPosted: Wed Feb 20, 2013 8:52 pm 
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Is the back hollow, or just flat? Never seen one of these in person.



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 Post subject: Re: Challenge
PostPosted: Wed Feb 20, 2013 8:56 pm 
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Location: USA... mostly.
PETE <> Good luck, and OMG am I sorry about that Yanagi!

Side note: not that $90 is pennies, but I bought that Miyabi brand new, in Usuba, @C&M for $90.



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 Post subject: Re: Challenge
PostPosted: Wed Feb 20, 2013 9:25 pm 

Joined: Tue Jul 24, 2012 1:28 pm
Posts: 532
Thanks everyone.
Adam, good plan thanks a lot, I will think about this before I attack it and the back is flat now hollow.

Melampus, that's a good price for sure, this one was about $290.00 or so.

I will show after pictures yes.


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 Post subject: Re: Challenge
PostPosted: Thu Feb 21, 2013 12:48 am 

Joined: Tue May 29, 2012 12:29 am
Posts: 957
Looking forward to the results.


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 Post subject: Re: Challenge
PostPosted: Thu Feb 21, 2013 1:04 am 
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Joined: Tue May 01, 2012 11:31 pm
Posts: 216
Location: Vancouver, Canada
Omg.... Looking at those pictures made my stomach ached. If they did the same thing to the yanagiba, it is most likely unsalvageable (so sad) :(

Good luck on the repair! Can't wait to see how it turn out :)


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 Post subject: Re: Challenge
PostPosted: Thu Feb 21, 2013 3:01 pm 

Joined: Thu Sep 13, 2012 8:44 pm
Posts: 160
@Mckemaus, Why would it be unsalvagebale? I'm not arguing, but curious. I'm under the impression that any hunk of steel can in theory be ground to a useable blade. Well, not *any* piece, but certainly one that was already ground as a knife.


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 Post subject: Re: Challenge
PostPosted: Thu Feb 21, 2013 3:13 pm 

Joined: Wed Apr 25, 2012 10:29 am
Posts: 625
Location: Philippines
my face went from a straight one to a really soured up one looking at that pic.

i would grind down the whole double bevel thing and give it back it's old single bevel profile but that would also require to thin the right side back up to the proper proportion. sounds about right. =D


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