Brent Beach wrote:
> Thinking about steels
>
> On 2014-10-04 08:57, scott grandstaff wrote:
> [Quoting James Thompson]
>> It works quite well.
>>   https://picasaweb.google.com/102358420595488787966/KnifeSteelSmoot
h?authuser=0&feat=directlink">https://picasaweb.google.com/102358420595488787966
/KnifeSteelSmooth?authuser=0&feat=directlink
>>
>>    The steel is interesting. It must have worked more like the single
>> tooth scrapers they make Japanese swords with.
>>   Or a 4 sided reamer, like a birdcage awl.
>
> The smaller the radius of the corner, the greater the force per square inch on
the knife bevel. The greater the force the more damage you do to the knife.
>
> A smooth steel would have the largest radius, various types of ribbed steels
much smaller radius except that often two ribs would be in contact with the
bevel.
>
> This steel has the radius of a very thin wire.

I refer people to the post I made upthread, about the
"Victorian Steels that have no "file type" grooves
at all (sharp or otherwise), they're just polygons, some with
hollow faces."

I gave a GIS that showed lots of examples.

  BugBear