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.325rs vs 3/8rs vs 63ps picco

Discussion in 'Chainsaw' started by SquareFile, May 8, 2016.

  1. SquareFile

    SquareFile ArboristSite Guru

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    OE346 and jonsered 2153 were used in my test. Both saws are muffler modded, squish set to .020 and tuned to factory specs. I didn't think they'd pull 3/8 as well as they did versus .325 but they did. Also if you have a 42mm top end and your thinking about buying a 44.3........don't!

     
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  2. blsnelling

    blsnelling Site Contributor

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    Come on Shawn, hand feed us. What were the cut times? :)
     
  3. SquareFile

    SquareFile ArboristSite Guru

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    I only timed them once. This is what I got.
    20160508_204223.jpg
     
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  4. reindeer

    reindeer The Woodsman

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    You'd be amazed what Pico can do for times. I am also equally amazed at how quickly it dies in professional use for anything other than pruning. Here I am torture testing it with a ported 241 on an 18" bar , which oddly enough for a stihl bar, was an actual 18" in length. Wood is nearly seasoned ash.



    [​IMG]
     
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  5. Hedgerow

    Hedgerow HACK

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    That ps is some hungry stuff OTB..
     
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  6. Andyshine77

    Andyshine77 Tree Freak

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    The PS chain is excellent cutting chain. The down side is the fact it doesn't seem to hold an edge as well as some other lp 3/8 chain and good .325 chain like Stihl RS holds an edge almost as well as regular 3/8

     
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  7. Hedgerow

    Hedgerow HACK

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    Check raker height on PS OTB and you'll see why it's so agressive and loses its edge rather quickly.
     
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  8. SquareFile

    SquareFile ArboristSite Guru

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    Never heard of OTB PS.;)
     
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  9. old guy

    old guy Addicted to ArboristSite

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    I just touched up a loop of new ps and found the raker height to be inconsistant.

    John
     
  10. drf255

    drf255 BAD CAD

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    PS does feel like a bit of a cheat. The 024 has picco. The echo .325

     
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  11. Andyshine77

    Andyshine77 Tree Freak

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    Most chains are like that these days.
     
  12. SquareFile

    SquareFile ArboristSite Guru

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    A good 63ps chain can put it to a lot of ported 50cc saws. IMO
     
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  13. reindeer

    reindeer The Woodsman

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    I run stihl and husky micro chisel 325 68dl on my 241 any chance I get. Very long lasting even when I hit dirty wood or the occasional metal wire or nail. It lasts so long in 3/8 that I import it from England or travel to Kilkenny instead of getting the full chisel the locals only seem to have.

    Semi chisel/micro chisel also makes easier goin of massive hardwood projects I am always on.

    [​IMG]

    [​IMG]
     
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  14. Hedgerow

    Hedgerow HACK

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    Agreed.
    Till the 3 cube hits a certain level of power.
    Then it's back to muh favorite 3/8's.
     
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  15. Termite

    Termite Time To Launch

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    Excellent test Squarefile. Appropriate size wood for those saws. I sent my local Stihl dealer so many customers asking for 63PS that he ordered a roll. He received the roll in three days from time of order.
     
  16. old guy

    old guy Addicted to ArboristSite

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    Is everybody running the regular 3/8 sprockets with the lp chain,? I have it on some small saws, I may try it on a 346.

    John
     
  17. SquareFile

    SquareFile ArboristSite Guru

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    I've sold all my .325 stuff except for one bar a chain. I have plenty of 3/8". That's my reason for the test. Muffler modded 45cc didn't have troubles with 3/8" so that's what I'll stick with.

    I agree with other post that there's not much cutter life with picco.
     
  18. SquareFile

    SquareFile ArboristSite Guru

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    I do not. Others do. I modified stihl mini hub sprocket to fit small hub.
     
  19. SquareFile

    SquareFile ArboristSite Guru

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    So true...

     
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  20. Chris-PA

    Chris-PA Where the Wild Things Are

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    I'm no pro and I don't run Stihl chain, but I run a lot of lo pro. I get very good cutter life for what I do with Carlton, Tri Link and VXL semi. As long as I don't hit anything anyway.

    Oregon 91PX chamfer chisel can be quite fast if sharp, but the cutters are short and I've had loops where the cuttrrs were poorly formed such that the chamfer was more of a rounded corner.
     
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