In loving memory of Kenis D. Keathley 6/4/81 - 3/27/22 Loving father, husband, brother, friend and firewood hoarder Rest in peace, Dexterday

Square filing chains

Discussion in 'Chainsaws and Power Equipment' started by mdavlee, Aug 17, 2014.

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  1. DexterDay

    DexterDay Administrator

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    Most smart phones have a timer/stopwatch function. The iPhone is better than an Android IMO. That's why I just carry the stop watch. It's on my little table next to my chair and iPad :thumbs:
     
    DexterDay, Aug 18, 2014
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  2. mdavlee

    mdavlee

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    You get them timed? If not the wife is supposed to bring me one here shortly.
     
    mdavlee, Aug 18, 2014
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  3. DexterDay

    DexterDay Administrator

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    The first video starts with the saw in the cut. But the second cut is 11.10 sec

    The stock square is 16.6 sec on the 1st cut and 16.3 sec on the second cut.

    That's right at 33% faster cut times :dex:
     
    DexterDay, Aug 18, 2014
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  4. DexterDay

    DexterDay Administrator

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    I meant to do it as soon as I got home. Wife started talking when I hit the door....... Nuff said. ;)

    33% on a regular work chain is pretty darn good!
     
    DexterDay, Aug 18, 2014
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  5. mdavlee

    mdavlee

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    Thanks buddy. I've been outside makiga couple more videos and the wife brought me a new one. Did get a video of the 7900 and 394 in the sane log. Here's a picture from the chain on the 394. Its full skip Carlton square filed.

    IMG_20140818_173737893.jpg
     
    mdavlee, Aug 18, 2014
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  6. mdavlee

    mdavlee

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    Here's a 7900 video with the same chain.

     
    mdavlee, Aug 18, 2014
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  7. mdavlee

    mdavlee

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    Here's the 394 video

     
    mdavlee, Aug 18, 2014
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  8. Hedgerow

    Hedgerow

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    Man Mike, that is one fantastically sexy 7900 you got there...
     
    Hedgerow, Aug 19, 2014
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  9. mdavlee

    mdavlee

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    I know. I forgot how nice they were. I want one now again that I've got bigger saws that will oil big bars. I sold the pair I had a long time back and started into the 90cc saws.
     
    mdavlee, Aug 19, 2014
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  10. Hedgerow

    Hedgerow

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    Was that the same chain on the 394 as the 7900?
     
    Hedgerow, Aug 19, 2014
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  11. mdavlee

    mdavlee

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    No it was a 24" I had laying around.
     
    mdavlee, Aug 19, 2014
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  12. DexterDay

    DexterDay Administrator

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    That Dolmar is beautiful saw!! I love the looks of them, the Makita, and the Solo. Something about the smooth lines.

    Is that 372xp ported? It was running a pretty impressive time!! :dex:

    I should assume you have it ported? But you know what Assuming gets you ;)
     
    DexterDay, Aug 19, 2014
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  13. mdavlee

    mdavlee

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    Nope its stock as far as I can tell. It's only pulling 140 lbs of compression. It is in line to get worked on after the 7900.
     
    mdavlee, Aug 19, 2014
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  14. mdavlee

    mdavlee

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    mdavlee, Aug 19, 2014
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  15. BFoley

    BFoley

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    Both in the video you show of square filing, and in the text comments of another thread I read on sharpening where the comment thread went into square vs round filing, the file is pushed into the tooth. For round files everyone says to push the file through the tooth rather than into it. Sharpening an axe with a flat file I was
    always taught to push into the blade. Can someone explain why it is better to push a square/flat file into the tooth? Is it just a matter of preference or are the file teeth different on a flat vs round file?
     
    BFoley, Sep 2, 2014
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  16. SquareFile

    SquareFile

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    Ease and less chatter
     
    SquareFile, Sep 2, 2014
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  17. BFoley

    BFoley

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    That was my guess, that it would depend a LOT on the user of the file, as well as such things as the angle between the file's cutting teeth and edge being worked, the hardness of the steel, the sharpness of the file, etc... Chattering is never good.
     
    BFoley, Sep 2, 2014
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  18. Hedgerow

    Hedgerow

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    1. Better line up of the corner of the file with the corner of the tooth.
    2. No burr.. Cleaner cut..
     
    Hedgerow, Sep 2, 2014
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  19. mdavlee

    mdavlee

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    I haven't tried to file inside out with square but I don't think it would be near as easy.
     
    mdavlee, Sep 2, 2014
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  20. MasterMech

    MasterMech The Mechanical Moderator

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    I would think it would be a real knuckle buster for sure.
     
    MasterMech, Sep 2, 2014
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