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Rockwell C Linearity Study
#2
My first thought of the three scales was wrong, and I simply don't have time ponder their relevance. I shouldn't even have tried, since it's not germane to the question.    

I think, "How hard is this malleable material?" is a difficult question. So difficult, that someone had to come up with a different kind of ruler to measure it within practical limits. I think they simply had to standardized the ruler, and the question is self answering. 

The question, "How much harder is RHC 61 than RHC 60" is answered by the measuring device. It's not linear, it's not a percentage, it's a question that needs an answer, not a definition.

No need to over analyze. I'm pretty sure it's already been analyzed to practical limits. You buy the same ruler everyone else is using. Just use the ruler properly and everyone will get the same answer every time. 

I think it's been proven to work as well as it needs to work. 

Actually, I think a very similar question may be, "How sharp is this edge?" As long as everyone is using the BESS media ruler, and gravity holds, the edge will always measure the same for everyone. 

I might add, "as long as the inclusive angle of the edge is within practical limits". Otherwise, BESS measurements are actually more linear, but that might add relevance.

IMHO, if Mr.  Mike and Mr. Jan have even spent so much as a few days trying to quantify the RHC scale, and aren't coming up with an answer, that tells me it's something that simply doesn't have a mathematical formula. I know it's hard to believe, because it sure seems like it ought to able to be explained mathematically, but if you can't find the formula for something that's been used for a century, there might not be one.
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Messages In This Thread
Rockwell C Linearity Study - by EOU - 02-13-2018, 02:11 PM
RE: Rockwell C Linearity Study - by Mark Reich - 02-13-2018, 09:26 PM
RE: Rockwell C Linearity Study - by Jan - 02-14-2018, 03:45 PM
RE: Rockwell C Linearity Study - by Bubby - 02-13-2018, 10:26 PM
RE: Rockwell C Linearity Study - by Jan - 02-14-2018, 05:15 AM
RE: Rockwell C Linearity Study - by Mark Reich - 02-14-2018, 10:36 AM
RE: Rockwell C Linearity Study - by Jan - 02-14-2018, 03:16 PM
RE: Rockwell C Linearity Study - by EOU - 02-14-2018, 04:32 PM
RE: Rockwell C Linearity Study - by EOU - 02-14-2018, 04:43 PM
RE: Rockwell C Linearity Study - by Jan - 02-15-2018, 02:58 AM
RE: Rockwell C Linearity Study - by EOU - 02-15-2018, 10:34 AM
RE: Rockwell C Linearity Study - by Jan - 02-15-2018, 11:33 AM
RE: Rockwell C Linearity Study - by me2 - 02-15-2018, 02:43 PM
RE: Rockwell C Linearity Study - by Jan - 02-15-2018, 03:17 PM
RE: Rockwell C Linearity Study - by me2 - 02-15-2018, 04:59 PM
RE: Rockwell C Linearity Study - by EOU - 02-15-2018, 06:28 PM
RE: Rockwell C Linearity Study - by me2 - 02-15-2018, 06:51 PM
RE: Rockwell C Linearity Study - by me2 - 02-15-2018, 07:17 PM
RE: Rockwell C Linearity Study - by Mark Reich - 02-15-2018, 09:33 PM
RE: Rockwell C Linearity Study - by Jan - 02-16-2018, 06:42 AM
RE: Rockwell C Linearity Study - by me2 - 02-16-2018, 07:46 AM
RE: Rockwell C Linearity Study - by Jan - 02-16-2018, 09:13 AM
RE: Rockwell C Linearity Study - by EOU - 02-16-2018, 10:48 AM
RE: Rockwell C Linearity Study - by me2 - 02-16-2018, 02:24 PM
RE: Rockwell C Linearity Study - by Jan - 02-17-2018, 05:26 AM
RE: Rockwell C Linearity Study - by EOU - 02-17-2018, 01:38 PM
RE: Rockwell C Linearity Study - by Jan - 02-23-2018, 06:13 AM
RE: Rockwell C Linearity Study - by Diamondback - 02-23-2018, 07:35 PM
RE: Rockwell C Linearity Study - by Mark Reich - 02-25-2018, 05:21 PM
RE: Rockwell C Linearity Study - by EOU - 02-26-2018, 09:17 AM

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