Para 2 Maxamet

Mo2 said:

Note that all these hardness testers are calibrated differently so while this one says 74hrc, spydercos may say 68hrc.
Click to expand...

So you are saying that two different hardness testers properly calibrated can give significantly different hrc values on the same media essentially making the value meaningless? And what material are you referencing in coming to this conclusion?
 
on_the_edge said:
So you are saying that two different hardness testers properly calibrated can give significantly different hrc values on the same media essentially making the value meaningless? And what material are you referencing in coming to this conclusion?
Click to expand...
what i mean is you cannot compare hrc that was derived from one tester to hrc from another tester, as they were both calibrated differently.
so you can only compare knives hrc using this particular tool and not use hrc from other's who did it with a different tester/calibration.
so lets say spyderco tested at 70hrc and this guy tested at 74hrc... which one is right? they both are right, but its better to use the same machine to compare the knives you want to compare against.
lets say you have the manufactures numbers from cold steel hrc 61 hrc for 3v and bark river at 61hrc... does that mean they are the same hrc? no. cause they are using different machines and calibrations.

@bluntcut
but even then, hrc only tells you a part of the story as BCMW would suggest
 
Last edited:
Mo2 said:
what i mean is you cannot compare hrc that was derived from one tester to hrc from another tester, as they were both calibrated differently.
so you can only compare knives hrc using this particular tool and not use hrc from other's who did it with a different tester/calibration.
so lets say spyderco tested at 70hrc and this guy tested at 74hrc... which one is right? they both are right, but its better to use the same machine to compare the knives you want to compare against.
lets say you have the manufactures numbers from cold steel hrc 61 hrc for 3v and bark river at 61hrc... does that mean they are the same hrc? no. cause they are using different machines and calibrations.

@bluntcut
but even then, hrc only tells you a part of the story as BCMW would suggest
Click to expand...

I understand what you are saying. I'm just looking for objective evidence that two accurate, calibrated rockwell testing devices can potentially come up with different values on the same media. In your first example, you stated a difference of 6, in the one above 4. Hrc is hrc so far as I know. I can accept minor discrepancies based upon the sophistication of the device, human error, etc. I do not know what an acceptable variation might be, but I think it must certainly be much smaller than what you are saying. Again, can you please point to something that shows device A calibrated using technique 1 will give a different hrc value than device B calibrated using technique 2? That is what I am looking for. I see a lot of stuff out there on hrc testing, but not that.
 
on_the_edge said:
I understand what you are saying. I'm just looking for objective evidence that two accurate, calibrated rockwell testing devices can potentially come up with different values on the same media. In your first example, you stated a difference of 6, in the one above 4. Hrc is hrc so far as I know. I can accept minor discrepancies based upon the sophistication of the device, human error, etc. I do not know what an acceptable variation might be, but I think it must certainly be much smaller than what you are saying. Again, can you please point to something that shows device A calibrated using technique 1 will give a different hrc value than device B calibrated using technique 2? That is what I am looking for. I see a lot of stuff out there on hrc testing, but not that.
Click to expand...
I was just grabbing numbers from my ass. Spyderco don't publish any hrc. The mule team maxamet was tested by Ankerson at 67-68hrc. The mules don't have the issues that people are having when sharpening so it could very well be 74hrc (of which he should take more readings and take the average #). But the difference could be a few points between different types of hardness testers and each of its own calibrations. But for the most part two knives even at the same Rockwell could be completely different per what @bluntcut and others would suggest if the heat treatment is different.

I've read most of this in the blacksmith section of the forum or omg yt.
 
Mo2 said:
I was just grabbing numbers from my ass. Spyderco don't publish any hrc. The mule team maxamet was tested by Ankerson at 67-68hrc. The mules don't have the issues that people are having when sharpening so it could very well be 74hrc (of which he should take more readings and take the average #). But the difference could be a few points between different types of hardness testers and each of its own calibrations. But for the most part two knives even at the same Rockwell could be completely different per what @bluntcut and others would suggest if the heat treatment is different.

I've read most of this in the blacksmith section of the forum or omg yt.
Click to expand...
A guy on the Facebook groups got 67hrc on his Manix 2 testing on a big bench top machine while filming with his smartphone.

So I don't think that high HRC is the issue. (Damn, I wish mine was 74hrc)
 
  • Like
Reactions: Mo2
on_the_edge said:
Well that sucks...
Click to expand...
Mo2 said:
some more info for you...
Click to expand...

Thanks for the input folks. It's all good. Took another crack at it. I'll see how it holds up.

Edit: Also to answer your questions. What was I doing - wood whittling and later making feather sticks for fire. Not sure when it happened, but noticed it the next day. Sharpening angle - don't know. Just eyeing it, but definitely smaller than what it came with. Progression was DMT coarse, fine, extra fine (when I noticed the chip), extra extra fine.

aKwtIN4h.jpg
 
Last edited:
Mo2 Mo2 and A anycal , thanks for the info, gents. :thumbsup:

A anycal , hopefully the chipping issue is at most temporary. If you don't contact Spyderco about it and instead use it as a "beater" (your words), please keep us posted as to whether the chipping continues or not. Again, I have not had any chipping issues with mine, at least not yet. Hopefully chipping will either stop with yours or at least prove to be an anomaly of the many maxamet PM2s Spyderco makes.
 
  • Like
Reactions: Mo2
anycal said:
Got frustrated with mine, so I temporarily retired it, until I cool off.

Out of my dozen or so Spydercos, only two came in not very sharp. This was one of them.

No problem. Touched it up, got it to where it was good. It chipped later during use. Decided to re-profile it. During the process, got another chip; bigger than the original one sustained during use. This has never happened to me in my many sharpening sessions with any other knife.

I was excited about the steel on my favorite model. But I am about to give up on it. Use it as a beater perhaps...
Click to expand...

From the Spyderco forum:

“So..Word is the Paramilitary 2 Maxamet purposely isn't listed in the 2018 catalog. They are working out some issues with production, and the date of the next run is unknown.”

I wonder if these production issues are related to what you are experiencing?
 
Probably has more to do with sourcing the Maxamet in the right thickness. After all, the Manix2 and Native5 Lightweights in Maxamet are in the catalog.
 
Nnoooooooo! bring back the Maxamet! Haha I was Banking on getting a PM2 and a para 3 and a Military.
Does this mean we get k390 in the meantime?! :D
 
Just speculating here so take it with a huge grain of salt. The change in blade thickness might have something to do with the heat treat? They seem to have the manix and native sorted out. Give them time and the Military line will be sorted out as well.

JonesE
 
I was just thinking...Spyderco has temporarily suspended production of these. Does that mean that when production starts back up and they are available again (presumably next year), they will only be available to those who did not get one yet this year under the new price and MAP guidelines? :(
 
Has anyone got some inside info on the PM2 Maxamet? Will it be available again this year?

cheers
Serg
 
You must log in or register to reply here.
Back
Top