So far I am the only one with my perspective. I am anxious to see if anyone else shares my point of view.
There are plenty of people around here with your perspective... They are usually townies that cut till chain is dull and replace. They are usually the same ones that run dull chain and end up ruining the bar they are running it on too. Are you even still chipping at 4cord intervals or is it just dust by the time you swap chains????
If you are getting stihl chain for that price you should keep filing it! Or even better yet, (if you're talking 3/8 chain) you should sell them to me for $6/chain... LOL! Don't you love how 3 Iowa guys jump on the chance to buy his chain within 3 pages... LOL...
That being said...
Even if you start with square grind chain from stihl you can file it to make it round; it just takes a few more strokes. I can easily get 10-20 touch-up filings or more on a chain and I touch up my chain about 1 time per cord minimum. I like really sharp chain and don't want to force the cut. That being said there are plenty of little jigs (like the husky clam) you can get for $20 and it fits in your pocket!
If you want to look at the economics of it... Your chain price $15/chain, 15 touch up filings, at 4 cord intervals... 60cords total / $15chain and $20 sharpener. = $0.58 cord on chain! And the ability to sharpen if you need to in the field instead of going into town or keep 2-3 extra chains on hand. What happens if you hit a nail or metal after 1/2 a cord?
Also, Stihl square grind does cut about the best of anything strait from the box. However, I somehow doubt you'll see the cutting speed difference after about 1/2 a cord of wood over round file... most guys don't file b/c they don't know how, and shops won't teach you b/c they wouldn't get the grinder time money...
I'm not saying you're wrong to do it the way you are if that's how you like to do it. I will say that most on here would consider that a waste of good chain.
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