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| | #26 (permalink) |
| Sappling Join Date: Mar 2007 Location: Ontario, Canada
Posts: 19
| Tim; This link illustrates the cuts... http://www.osha.gov/SLTC/etools/logg...s/notches.html http://www.osha.gov/SLTC/etools/logg..._top_cuts.html Try these new links Last edited by Kevin : 7th April 2007 at 06:43 AM. |
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| | #27 (permalink) |
| PDF King & Arborist Extrodinaire Join Date: Feb 2007 Location: Townsville Nth Queensland & Gold Coast Sth Queensland
Posts: 1,643
| Ekka, I watched nearly all of your vids and read most of your posts here and elsewhere about falling trees, so I have the opinion that you are a very skillful tree faller. I don't question for a moment that when you cut your scarf starting top or bottom you constantly check the cut matches the intended direction of the fall. Like some of the others posting in this thread I was taught to make the initial cut from the top using the sighting line on the saw to aid accuracy in the intended direction of fall, I have cut scarfs the other way and all has been good, but for 95% of my falls the bottom horizontal cut goes in after the top angled cut. Using the sighting lines is something I do on the ground, in the tree with a top handled saw its not so simple. On a not so different tack check out this forestry falling vid from Sweden its great. Go to: http://www.skogforsk.se/KunskapDirek...1362&bmp=11727 then: Film f?r bredband then: Avverkning med motors?g (10 min) the bore is at about the 2:10 mark. (other videos and info of interest are also there) The raps for finding this one go to someone else, elsewhere.
__________________ Sean ![]() Trees are poems that earth writes upon the sky, We fell them down and turn them into paper, That we may record our emptiness. - Kahlil Gibran |
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| | #28 (permalink) |
| Mature tree Join Date: Feb 2007 Location: Isle of Man,UK.
Posts: 407
| "Horses for Courses"; Tim, what I think Ekka is trying to say (and myself), is that different trees in different circumstances follow a different course of action. Don't get me wrong, I was taught to cut down 1st and then in to meet the 1st cut to make the scarf, but I find that it easier to make this cut in reverse, if you will. Making the top cut secondary, allows you to justify your angle of hinge a little bit easier. That is to say, how and where YOU want it to fall. I think. Like I said, when I was taught, it was in a forest near cumbria felling small sitca spruce. These were relatively straight standing and only stood 50foot max. So making the top cut first, was the only option.
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| | #29 (permalink) | |
| Semi-mature vigorous tree Join Date: Feb 2007 Location: Glasgow, Scotland
Posts: 94
| Quote:
When I make a directional felling notch I sometimes have to adjust the direction because I was slightly out with the initial top cut, so I will re-cut the top cut after the undercut has been made. Which is similar to what you guys are doing in the 1st instance. But I will never re-cut the undercut as a way of adjusting the direction of fell. See what I mean? ![]() | |
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| | #30 (permalink) | |
| Semi-mature vigorous tree Join Date: Feb 2007 Location: Glasgow, Scotland
Posts: 94
| Quote:
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| | #32 (permalink) | |
| Semi-mature vigorous tree Join Date: Feb 2007 Location: Glasgow, Scotland
Posts: 94
| Quote:
I have a 8ft Cherry to fell tommorrow. After that its back to top cut 1st, undercut 2nd, felling cut 3rd. Oh yeah, I didn't know that they say 'scarf' in the Isle of Man! you guys like to be different I guess. TC | |
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| | #33 (permalink) |
| Eric Frei Administrator - Brisbane L5 (Dip) Hort Cert III Arb + some Join Date: Jan 2007 Location: Brisbane
Posts: 6,846
| In that link Boa provided notice the Husky saw had a rear chain brake... just above the throttle. Tim, if they put one of them on an 200T you could become a one armed bandit safely. I noticed even in that video the sawyer had to tickle a few scarfs right. ![]()
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| | #34 (permalink) | |
| Mature tree Join Date: Feb 2007 Location: Isle of Man,UK.
Posts: 407
| Quote:
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