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Carrot dulls Victorinox Chef's Knife - Printable Version

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Carrot dulls Victorinox Chef's Knife - grepper - 08-15-2018

I used the same 5” Victorinox Chef’s knife for this test that I used in the blade dulls overnight after sharpening test.
https://www.amazon.com/Victorinox-Fibrox-Chefs-Knife-5-Inch/dp/B000QCLEFC
 
I sharpened the knife then did a series of 10 slices perpendicularly through a carrot making a bunch of carrot rounds each about 1/8” thick.
 
To make the slices I put a marker line on the knife about in the center of the blade, held the tip of the blade against the cutting board and very gently sliced through the carrot.  Occasionally the edge lightly impacted the cutting board, but not with every cut and when it did touch the board it was extremely lightly.  Far, far, far more lightly than the average person cutting carrots would.  I ran out of carrot after making 40 slices.
 
After each 10 cuts I performed 3 measurements from handle towards the tip, just before the marker line, on the line and just past it about 1/8” apart.
 
Results:
 
95, 95, 85 – Starting sharpness
110, 120, 125 – 10 slices
125, 130, 120 – 10 slices
135, 130, 125 – 10 slices
125, 130, 140 – 10 slices
 
It is interesting that the majority of sharpness reduction occurred in the first 20 slices.
 
Taking an average, the mighty Victorinox decreased in sharpness about 40 points with only the most minor, extremely light cutting board contact.  To be honest, it perform better than I suspected it would.  

It should be noted that I was extremely grandmotherly to the edge when slicing.  No normal person that I know of would go about cutting carrots with such a dainty hand.  Umm… Hold on now…  Just because I used that phrase don’t even BEGIN to think I have dainty hands.  Rest assured, I have MAN hands! 
 
I would like to be able to have an unsuspecting chef chop 10 carrots into 40 slices each and see what happened. A wild guess?  We’d be looking at numbers in the 200 – 250 range. 
 
I would like to see other Exchange members perform some real world tests and report the results.  Sharpen a knife and measure the sharpness.  Then put the knife through some normal short-term use, take another set of sharpness readings and report your findings. 

I'm fully aware this test was not very controlled or done scientifically.  That said, it is what it is.
 
This concludes the Great Victorinox Carrot Test.