SA knifemakers swop build : straight razor...

SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 17, 2015 10:33 am

As mentioned previously i am part of a straight razor swop build on S.A. Knifemakers to a set design, all the participants will then enter in a draw and then the razors are swopped according to the result of the draw...

We are assisted by Jack Connan who has been making and using straight razors for a while... what he says corresponds well with all the research i have done, so i am sure this will spread the straight razor skill wider...

Here is the start of my process... don't hold your breath... i am very slow... one for the inevitable oops! Moment... mm... how's about i do the rest of the steel too

Steel is 5mm O1 or k460 from bohler... and this design the grind height is right on 3.5x the thickness of the spine... i will leave a bit of extra at the edge to make space for the oops! Moments...
Image

Image

I have been practicing grinding thin on a pairing knife and i got to 0.2mm all along the edge evenly about 1mm behind the edge... so with a bit of practice i could get it down thinner still aiming for about 0.1mm... which is what appears needed. I grind wet after about a 60grit belt as a precaution... this is how thin i aim for on the kitchen knives i make. Anything above 0.4mm is optimised for something other than cutting in my opinion...

Image

I will use a 3" contact wheel so i suspect we can call it a half round?
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Re: SA knifemakers swop build : straight razor...

Postby RiverValleyTrading » Thu Sep 17, 2015 10:42 am

Thanks for sharing Andre. good luck with the Razor. I'm sure it will turn out great. 0.1mm :shock: (That's almost as thin as paper!) :thumbup:
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Re: SA knifemakers swop build : straight razor...

Postby ShaveHavenSA » Thu Sep 17, 2015 10:50 am

Great post. Thanks for the info. Will follow the thread
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Re: SA knifemakers swop build : straight razor...

Postby Thug » Thu Sep 17, 2015 10:51 am

Thanks for sharing Andre.
I've been following the thread on the FB page.

Will be interesting to see how many are produced by December.
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Re: SA knifemakers swop build : straight razor...

Postby panthera » Thu Sep 17, 2015 11:17 am

Nice on Andre and good luck with the razor! Will be very keen to see how this progresses.
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 17, 2015 11:52 am

Changed the layout to accomodate my own designs on the same strip of steel...

Image
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 17, 2015 11:54 am

Thanks people... i hope it works out... i really love all that is sharp and a real razor is as good as sharp gets... if you ignore diamond... obsidian... graphene...
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 24, 2015 10:47 am

First two cut out... one of these will be for the swop, the other will be for the oops or myself...
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 24, 2015 10:50 am

Image

Forgot to mention the round tip is for the swap, i'll probably do a square or spanish or french tip if that one works out well... if not well the square tip becomes a round tip and goes for the swap...
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Re: SA knifemakers swop build : straight razor...

Postby RiverValleyTrading » Thu Sep 24, 2015 2:22 pm

AndreGrobler wrote:Image

Forgot to mention the round tip is for the swap, i'll probably do a square or spanish or french tip if that one works out well... if not well the square tip becomes a round tip and goes for the swap...



Blades look good. Going o be interesting to see the razor taking shape :thumbup:
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 24, 2015 5:51 pm

Will update regularly... if slowly...
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Thu Sep 24, 2015 5:52 pm

Image

Image
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Re: SA knifemakers swop build : straight razor...

Postby Thug » Thu Sep 24, 2015 8:49 pm

Very nice Andre.

Now comes the hard part.....the grinding.
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Re: SA knifemakers swop build : straight razor...

Postby Jacquers » Fri Sep 25, 2015 9:47 am

I thought the hardening was the hard part :P
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Re: SA knifemakers swop build : straight razor...

Postby AndreV » Fri Sep 25, 2015 11:29 am

Nice going Andre.
Looking good. looking forward seeing the final piece
Shaving like it should be done!!
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Fri Sep 25, 2015 6:58 pm

Thanks people!

Hardening is not that hard with a controlled kiln... it just requires a bit of reading...

doing it in the fire... i wouldnt with o1 - i have done it as experiments but the results are mixed and i dont think it will stand up to this task so well. There are other steels i would do in the fire...


Grinding is the hard and delicate part, i think an advanced knifemaker wouldnt have much issues just a bit of recalibration and information... but grinding thin enough takes a lot of time... it is not something you do in a rush... but i am not an advanced knifemaker...
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Fri Sep 25, 2015 7:38 pm

But when you are so involved in something and the professional job... you don't even notice emoticons... and tend to take things way too seriously

[WINKING FACE]
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Re: SA knifemakers swop build : straight razor...

Postby Jacquers » Fri Sep 25, 2015 8:52 pm

:D ;)
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Re: SA knifemakers swop build : straight razor...

Postby AndreGrobler » Sun Sep 27, 2015 7:52 am

Question....

Look at the smiley blades... i made the tangs droop down a bit, i think it looks good this way, and it feels nice in my hand. But most razors i see have the tang stay above the halfway line of the blade, some especially kamisori are angled upwards even, and it seems as if this might be an ergonomics thing...

I'd be glad to have your opinions!
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Re: SA knifemakers swop build : straight razor...

Postby RiverValleyTrading » Mon Sep 28, 2015 10:19 am

AndreGrobler wrote:Question....

Look at the smiley blades... i made the tangs droop down a bit, i think it looks good this way, and it feels nice in my hand. But most razors i see have the tang stay above the halfway line of the blade, some especially kamisori are angled upwards even, and it seems as if this might be an ergonomics thing...

I'd be glad to have your opinions!


Interesting. I think the lower angled tang might affect the design of your scales slightly (the hinge pin being lower than normal). As far as ergonomics go, I think it may feel slightly different in the hand, but I don;t think it will be a problem.
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