Charlie1124
ArboristSite Member
Alright let's hear it.. Stihl 3/8 pitch chain. Free hand filed using 7/32 round. 2nd or 3td sharpening.Light strokes using echo branded files..
Opinions on hitting the top plate with 1/4 round file.. now that I got a good gullet? Just to razor edge the top cutter angle? Yes. Iv been reading about race chains.. I'm not looking to race.. but do like the performance aspect of it..
That's what file guides are for.i try to keep 15-20 percent of file above. But it's tricky
It'll work, but you'll get better hook with 7/32. You can't hold the file down to the straps and still hit the top plate. With 20% of the file above the cutter, you'll still have .050" or so of gullet under the file that should be removed every 3rd or 4th sharpening
These aren't mine, but a pretty good reference
View attachment 691303 View attachment 691305
It'll work, but you'll get better hook with 7/32. You can't hold the file down to the straps and still hit the top plate. With 20% of the file above the cutter, you'll still have .050" or so of gullet under the file that should be removed every 3rd or 4th sharpening
These aren't mine, but a pretty good reference
View attachment 691303 View attachment 691305
I have done that same thing, several times. My old hot 181 will throw strings 3+ inches long, cross cutting [soft wood] Dug fir Logs 3' + - into firewood.Your close to what I do. I take the next smaller file size to under cut the top edge of the cutter for more chip clearance in the gullet. Again below the cutting edge.
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