Love this guy. Real dude and honest reviews. No paid shills.
I have found that sharpening with the Pferd 2 in 1 sharpener actually improves on cutting speed compared to out of the box. It is also sold by Stihl. As in any filing guide, it is a good idea to rotate the round files 90 degrees every once in a while to expose fresh cutting surfaces on the file. This is not a problem with hand files, as they will tend to be rotated at random with use. But filing guides fix the position unless you change it. For me, the Stihl RS series has always cut faster than others I have tried, and it lasts about 2-3 tank loads between needing a touch up even in dirty conditions. It still cuts faster than an RM chain after 2-3 tanks.Very creative and practical methods for testing. I like the use of the weight to control the speed of cut. I like that he retested after a full tank of cutting, to compare wear. I liked his sand test.
One thing that he did not compare: all chains were tested with the factory/out of the box (‘OOB’) performance. Might some of the chains improve with better sharpening or different factory angles?
I might want to retest after running each chain through an auto grinder, to get identical sharpening treatment. OOB only lasts until the first sharpening.
This was better than many of the more subjective tests I see posted.
Thanks for posting this.
Philbert
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