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Not sold on square ground yet

Discussion in 'Chainsaws' started by isaaccarlson, Nov 15, 2018.

  1. isaaccarlson

    isaaccarlson Well-Known OPE Member

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    I just tried a brand new 28” loop of square ground Stihl RS on my ported ms390. I filed the rakers to about .027. The right side needed a lot more filing than the left. It looks/feels pretty sharp, but I can’t tell any difference between it and my own round ground chain as far as cutting speed. It took a bit of power to pull it compared to my round chain. The saw sounded like it was loaded pretty good, but it didn’t seem to cut any faster than it used to.
     
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  2. Sawyer94

    Sawyer94 Well-Known OPE Member

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    I've noticed out of the box the square runs about the same maybe a hair faster than round. But a couple filings in it really shines over the round filed chain.

    Cheers

    Sent from my SM-G960U using Tapatalk
     
  3. isaaccarlson

    isaaccarlson Well-Known OPE Member

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    That’s good to know, because I was redy to take it to the grinder. I’ll pick up a file and give it a few licks.
     
    Last edited: Nov 15, 2018
  4. Wolverine

    Wolverine Do you even burn wood bro?

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    If’n ya have too much load on yer saw, maybe don’t lower the rakers as much. It’ll help keep them revs up for more chain speed.
     
  5. cus_deluxe

    cus_deluxe ONE OF THE WORST!!

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    28” on a ms390, ported or not, is too much. 20” bar on that saw is a lot more realistic. Factory square chains arent gonna be any faster/marginally faster than round. As said above, with a little work they cut smooth and fast. Theres a reason saw racing is done with square chain.
     
  6. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    To me square chain is for racing, not working, unless you can adequately sharpen a square chain in the field, for me, just a firewood guy, I still prefer round, that's why I sold my simington.
     
  7. Skeans1

    Skeans1 Super OPE Member

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    I call bs square is about the only thing used out here for production falling. A little trade secret not many of us file we all carry enough chains for the day when you get paid by what you get down during the day the last thing you want to do is spend time filing on a chain.


    Sent from my iPhone using Tapatalk
     
  8. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    I feel you are in the minority, most loggers around here have never even heard of a square ground chain.
     
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  9. NCFarmboy

    NCFarmboy Super OPE Member

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    Same here. I have to show them a loop so they can grasp it.
    Shep
     
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  10. Deets066

    Deets066 AKA Deetsey

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    Pretty much square on everything for me, I’ve gotta a few loops of round for dirty or rotten wood
     
  11. isaaccarlson

    isaaccarlson Well-Known OPE Member

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    I never even heard of square chain until I got on here. I figured it was some new fangled thing like oregon speed cut. I grew up with round and have always used it. The first time I ever laid eyes on square was when I picked up these two loops. Something new to me, and I’ve been cutting for 20 years.

    @cus_deluxe
    This saw is 10 years old.
    I’ve been running a 28” bar on this saw for years, and it works great. I even used it full time when I worked for a local tree service because their equipment was lacking. I put new bearings and seals in it when I ported it, Just because it was open. Everything went back in.
    I use my ported 350 for most of my cutting now, unless it’s big wood, then the ms390 comes out. I wouldn’t mind having a bigger ported saw, but this is what I’ve got. I haven’t found a tree too big to cut, and I’ve cut trees close to 70” in diameter.
     
  12. mdavlee

    mdavlee Hillbilly grinder

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    I used square or semi chisel for my firewood stuff. Milling was square and I sharpen with the saw clamped in the mill. It doesn’t take much longer for me to sharpen from wood dull than round.
     
  13. 00wyk

    00wyk Super OPE Member

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    He most definitely isn't. He is in the PNW. When I was in Oregon and Washington State, many of the small local saw shops that catered towards logging had nothing but square skip chain. Not even full comp. Out west it is clean conifers that are mainly cut in logging. I used square for years. You are also paid for production, not for sharpening. No one sharpens their chain in the field. Right off the roll square in clean conifers is pretty darn fast, and it only gets faster.

    Now here in Ireland, I work on an estate that has wood of all sorts - mostly hardwoods, and often with nails and dirt and bullets and lord knows. I use semi chisel almost exclusively. I also often bring multiple chains and multiple saws with me.

    We also have an MS390. I am surprised yours can even oil a 28" bar unless you rarely have it buried. Ours runs a 20" bar with 325 semi chisel most of the time. But the main work horses here are an 044 and a 288xp.
     
  14. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    My dad cut in all 48 continental states, he had never heard of square ground when I asked him, here locally in PA I deal with about 6 different shops, none of them stock a square chain, all special order here. Like I said if you can file it in the field I can understand it, in my area it's just not popular and most don't know it exists.
     
  15. CR888

    CR888 Pinnacle OPE Member

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    Any more statements like this and your man-card will be revoked.
     
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  16. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    Just didn't work for me well in my application.
     
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  17. 00wyk

    00wyk Super OPE Member

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    Gezuz christmas folks. Just use the chain that works in your situation.

    If you can't figure out square chain, just relax and stick with whatever works.

    This isn't some sort of a contest.
     
    I saw a lot, smokey7, Dub11 and 8 others like this.
  18. Definitive Dave

    Definitive Dave Race Obsessed

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    watching you....stop touching that!
    CHALLENGE ACCEPTED!!
     
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  19. Johnmn

    Johnmn Pinnacle OPE Member

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    I live in logger country, no one around here stocks square much less heard of it.
    That said imo it cuts nice, smoother for sure. In my experience round can be made to cut pretty good though too.
     
  20. Time's Standing Stihl

    Time's Standing Stihl Below me...

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    Square is superior to round.

    Faster.

    Smoother.

    Longer lasting.

    If your wood is dirty, run semi
     
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