A little demo of the American Mutt bench stone.

jc57 said:
Shipping is a little steep, but I guess that's the norm these days. Turns it into a $17 stone. Still cheaper than a Norton Crystolon shipped. i may give one a try some day.
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As cbwx34 noted, I can send them via small flat rate box if you believe it will work out more affordably to your location. It incurs a 2lb shipping rate, sent from Maine, so that's the reason for the shipping rate.

eKretz said:
What is the bond strength of these Mr. 42? Very interesting hone. I too would very much like to try one of these based on the description.
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It's a medium-hard bond. Soft enough to not glaze but hard enough you can really bear down on it and scrub.
 
Just placed my order, picked up an arctic fox scythe stone too. I don't have a scythe but I figured it might come in handy for travel.
 
Jason B. said:
Just placed my order, picked up an arctic fox scythe stone too. I don't have a scythe but I figured it might come in handy for travel.
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Scythe stones may have originated for use on scythes, but they're one of the most versatile of all sharpening stone shapes in my personal opinion. I use them for just about everything! :) :thumbup:
 
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Thanks i just ordered a few things plus this. i cringed at the shipping costs too, but whatever.
 
Thanks! Yeah, no matter how cheap the stone itself is it's hard to get around the fact that, essentially, I'm mailing a brick. :D The deliveryman remarked when he was unloading the truck to "be careful" because the boxes were heavy. I told him "They'd better be! They're full of sharpening stones!" to which he mused "So...literally boxes full of bricks!" Yes, pretty much that. :p
 
Order placed for 2 Mutt Stones.

Very interesting design for fast removal.

Regards,
FK
 
It'll be only as soft as is necessary to avoid glazing or overly-rapid fracture of the abrasive grains. The intent is for a stone you can really lean into when you're looking for rapid material removal. The mythical manticore was a beast that had varied descriptions, but a common thread is that it has the body of a lion and three rows of teeth like a shark. Think of the stone as being one that's ravenous for steel. :D The final details are still in the preliminary planning phases but the end goal for the product is clear. As the saying goes, the devil is always in the details.
 
Working hard to get 'em all out by the end of today. We begin the move to our new location tomorrow. :)
 
I only have one question: Does this stone cut faster than a Norton Crystolon coarse (~90-grit)? If it does, I'll be ordering one for sure.
 
Got all non-preorder orders taken care of so they can go out on Monday without our relocation interfering with order fulfillment. They'll be landing at your collective doors in just a few days! :)
 
FortyTwoBlades said:
It's a medium-hard bond. Soft enough to not glaze but hard enough you can really bear down on it and scrub.
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Hi,
can you put some numbers on that?
like
hardness and type of steel??
length/width of edge bevel you're scrubbing ... 2in x 1mm/2mm/4mm??
and how many lbs it takes before it starts releasing a little grits??
and how many lbs it takes before it starts releasing lots of grits?
 
If memory serves correctly it's considered a P bond, but after we finish settling into our new home later this upcoming week I can ask my manufacturing partner. Under ANSI standards abrasive bonds are rated on an alphabetical scale ranging from A as extremely soft (would barely hold itself together) to Z as extremely hard (just about glass-like). I don't have figures like the ones you're asking for available to me, however. What you're asking for is pretty nebulous and not easily quantified in a meaningful way.
 
FortyTwoBlades said:
If memory serves correctly it's considered a P bond, but after we finish settling into our new home later this upcoming week I can ask my manufacturing partner. Under ANSI standards abrasive bonds are rated on an alphabetical scale ranging from A as extremely soft (would barely hold itself together) to Z as extremely hard (just about glass-like). I don't have figures like the ones you're asking for available to me, however.
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Hi,
thank you, that helps (ANSI P grade on scale of A - Z )

FortyTwoBlades said:
What you're asking for is pretty nebulous and not easily quantified in a meaningful way.
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Its just a way to measure the bond strength (min/max PSI),
with a knife, a bathroom scale (weight/force), and ruler or calipers (area)
 
Except you'd need to define what "a little" and "a lot" of loose grit would mean, and have some way to capture and measure it. As such, you'd very quickly be spending an awful lot of time in quantifying rather than just using the tool and describing the experience and results qualitatively.
 
Got the stone... I think you're onto something here.

Had to give it a quick spin... had a Kershaw 1605 (import with a 3" 8Cr13Mov blade) that needed to be reprofiled... edge cleaned up and the angle lowered.

Tried the stone dry... it did OK, but honestly didn't impress (probably could've used more pressure though). Then tried squirting water on the surface... sucked it in faster then I could pour. So, put it in the water bucket 'till the bubbles stopped (took less than 5 min.)... after that water would stay on top... so it absorbs water (doesn't just run thru it).

After this it did a great job. Really seemed to improve the cutting ability. Took maybe 4-5 min.... lots of black swarf, but didn't appear to be wearing the stone at all. Didn't use a lot of pressure... for this knife, it was cutting well, and didn't feel I needed to. What was really cool... it would be black with swarf and I'd just hold it up and rinse it.. the black came right off. After finishing... the stone still looks brand new.

Forgot to check for flatness before I started, but after doing the knife I checked... it's dead flat on both sides. Very nice.

After getting a burr I finished it on a 1K King water stone... no effort to remove the scratches (which weren't all that bad), and clean up the edge.

So, anyway... nice first impression. :thumbup: :thumbup: Have to see how it does on "better" steel... but sure made short work of this job... no noticable wear on the stone, cut quick, and had a good feel in use.

Thanks!
 
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