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TOPIC: Edge angle and finish?

Edge angle and finish? 1 year 9 months ago #7811

  • wickededge
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How best to prepare your blade for batoning, fuzzsticks and all other camp/field tasks. Leo, please help! :)
--Clay Allison
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Edge angle and finish? 1 year 1 month ago #13096

  • Geocyclist
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Bump - I would like to know.

I am getting ready to sharpen a 6" Doug Ritter MK2. This is a high flat grind that is nearly 5mm thick. The factory edge is pretty uniform. I am guessing about 20 deg. per side. Steel on this knife is 1095. As this is a field knife my goals are to not have to sharpen it, roll edges or chip out. Therefore I am willing to go a little more obtuse than I normally sharpen too.
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Edge angle and finish? 6 months 3 weeks ago #16210

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I finally got around to sharpening the Doug Ritter Mk2. I did it at 22.5 deg per side. This was vey close to factory angle which I liked. The blade is 1095 and 5mm thick.

I used diamonds to 1000# and stopped. Other than kitchen knives this is the first thick fixed blade I have done. It will cut phone book paper but it does not slice through it with zero effort or zero snags.

My question is how fine does anyone else sharpen bush crafting knives?
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Edge angle and finish? 6 months 3 weeks ago #16216

  • LeoBarr
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IMG_1667.JPG

Not sure which Leo you are addressing ; virtuovice has some interesting solutions although they are done freehand on Shaptons & Choseras for feather sticks and battening he favours a high convex thin on the left side (if you are right handed ) culminating in a convex bevel the (say 18Ëš)(right side bevel say 27Ëš) other side has a flatter grind with a high angle convex bevel so sharpened a little like a chisel edges knife.
The idea is that the blade stays shallow when feather sticking or when taking meat off the bone since the convex edge and grind allows the edge to stay shallow or in the case of bone it will tend to not dig in.
The total sum of the bevel angle should still equal that of at least 45Ëš( since this has been done on bench stones the angles are ball park not absolute but left side has much more curve than the right side and the bevel is asymmetric). If the bevels chip too easily then steepen them !
I have not tried this on bone since I do not hunt but it feather sticks well. It was a very blunt knife when I got it and it is very sharp I could do more for the aesthetics of it but it is a working knife Chinese made Boker D2 steel.
Last Edit: 6 months 3 weeks ago by LeoBarr.
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Edge angle and finish? 6 months 3 weeks ago #16224

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Confusing with the two Leo's eh! Sounds like the two tenors!
Whenever I have a knife to be used for survival or bushcraft, I try to present the strongest possible yet practical edge geometry i.e. a convex edge. Notice I said edge not grind. I took my ESEE 6 and using the diamonds paddles laid on a 17 dps edge; from there using the 400/600 and the 800/1000 paddles moved up with delicate strokes to 19 dps and again to 21 dps setting. Finally I used the leather strops through the pastes gently melding any shoulders I created into one smooth convex edge.
The result is a super sharp wedging edge that is strong enough to baton hard wood and delicate enough to bring up fine shavings on a fuzz stick. The convex edge is imitative of an axe edge giving both strength and keenness.
Hmmm! Clear as mud eh! The old noodle isn't up to concise and clear anymore, but you get the idea. You get the advantage of convexing without having to grind down the whole geometry of the blade.Of course if you want to grind in a whole convex geometry like Virtuvoice(did I get his name right?)go for it and you will have an even stronger knife, but a lot of work that a klutz like me would not even try.For me, simple is good.

Leo the ancient as opposed to Leo the navigator! ROTFLMAO!
Never go anywhere without your knife!
Gibbs rule number 9

Leo James Mitchell
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Edge angle and finish? 6 months 3 weeks ago #16234

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Leo (Mitch)

This is clear. How long does this take you, compared to just putting a single bevel and stropping "normal"? Sounds like a lot more work, but I have never done a convex. How long does it take to cut the next 2 angles, and how long to blend with the strops.

For me this knife is a knife I just keep in the backpack as knife#2, as I feel like I should always take 2 knives into the field. While hiking I don't cut much and when I do I reach for the pocket knife as the sheath knife is in the pack rather than on me.

That being said I am looking at replacing the Ritter Mk2 (6" and heavy) with an ESEE 4 for a fixed blade hiking knife. So I might wear the ESEE as it is not too big.
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Edge angle and finish? 6 months 3 weeks ago #16236

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Geocyclist wrote:
Leo (Mitch)

This is clear. How long does this take you, compared to just putting a single bevel and stropping "normal"? Sounds like a lot more work, but I have never done a convex. How long does it take to cut the next 2 angles, and how long to blend with the strops.

For me this knife is a knife I just keep in the backpack as knife#2, as I feel like I should always take 2 knives into the field. While hiking I don't cut much and when I do I reach for the pocket knife as the sheath knife is in the pack rather than on me.

That being said I am looking at replacing the Ritter Mk2 (6" and heavy) with an ESEE 4 for a fixed blade hiking knife. So I might wear the ESEE as it is not too big.

I had all the ESEE knives and the 4 was perhaps the optimal camp knife. All my ESEE's had this kind of edge. It does not take long to do after the finished first bevel. Depends on the steel. The 1095 one finds on the ESEE knives sharpens up quickly. I can't time it for you so experimenting is good here. Each of the secondary angles tale a little bit more work than micro beveling. There is a better explanation than mine by Clay somewhere in the instructions here on the site. Experiment with it and you will know when you have it 'cause the knife will slice like spit...a good microscope or jeweler's lens will help too. Just remember the whole process after the main bevel takes little time with softly caressing strokes of the paddles. LOL! Make love to your blade so to speak.

Leo
Never go anywhere without your knife!
Gibbs rule number 9

Leo James Mitchell
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Edge angle and finish? 6 months 3 weeks ago #16237

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Actually my friends call me Mitch so maybe that would be best for ending any Leo confusion. I am the eldest too at nearly 79. I think Leo Barr is rather younger. So perhaps I will sign myself off as Mitch from now on.

best regards
Mitch
Never go anywhere without your knife!
Gibbs rule number 9

Leo James Mitchell
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Edge angle and finish? 6 months 3 weeks ago #16240

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leomitch wrote:
Actually my friends call me Mitch so maybe that would be best for ending any Leo confusion. I am the eldest too at nearly 79. I think Leo Barr is rather younger. So perhaps I will sign myself off as Mitch from now on.

best regards
Mitch

Funny how you picture someone in your head? By your style and different chats we have had on the forum? I always figured you for 35-40 years old. You have a very young style Mr Mitch :woohoo:
The definition of insanity is to do the same thing over and over again and expect a different result?
An old Irish toast, May the wind always be at your back, may you always have work and may you be in heaven a half hour before the devil knows your dead. Cheers!
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Edge angle and finish? 6 months 3 weeks ago #16241

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Since you are senior to me I am 56 this year you sign off as Leo & I shall sign off as Leo Nav since I quite like that !!
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