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| | #1 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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Yes my favorite subject, Crane, we got to use one today to bring down three large pines, I could of cut them to bigger bits but had little room to lower them down to |
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| | #2 |
| Mature Tree Join Date: Feb 2007 Location: Melbourne, Victoria, Australia.
Posts: 1,605
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Hey Phil. great job as always Got some more pics of your truck there in pic 030? Is it a chip truck with some kind of full tailgate??? Or just a service truck full of gear??? |
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| | #3 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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cheers trev, the truck in the photos is our service truck, it carry pretty much every thing we need for all our jobs, very handy |
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| | #4 |
| Mature Tree Join Date: Feb 2007 Location: Melbourne, Victoria, Australia.
Posts: 1,605
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| | #5 |
| Backflipper Join Date: Dec 2007 Location: Cincinnati, Ohio, USA
Posts: 2,131
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Great job and pictures Phil. Some of those guys are gonna comment on your single tie in. I guess the advantage of the chain choker is that they hang straight and don't kink like the stranded cable. Canvas needs to be removed from the hook to choke. Did you get sapped up or aren't those pines that bad? Keep up the good work. |
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| | #6 |
| Part of the Furniture Join Date: Jun 2007 Location: orlando,fl
Posts: 4,977
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I had to look at the pics again,i guess i'm just so used to using a single flipline.Personally,if its an experianced operator who is compettent,it shouldn't be an issue imo.
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| | #7 |
| Backflipper Join Date: Dec 2007 Location: Cincinnati, Ohio, USA
Posts: 2,131
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If I am chunking down a big stick, sometimes the shot is there to take a big section. To get to that cut quickly and efficiently from the previous cut, I am gonna rappel down on my climbing line and then buck in with lanyard. I have both tie ins available so why not use them. When craning sections, like Phil, you have to have a climbing line ( I am gonna have a short rope with a safety knot tied in the end). You have to have the climb line so you can set a choker on the top of the piece, then rappel down off the crane probably, buck in with lanyard, disconnect climb line from crane, then cut off piece for crane to boom away. Again you have both tie ins available so why not use them. If you cut your primary tie in, which is not inconceivable, then you have a back up and you do not die. If you ever get to do a crane removal or pruning (you mentioned on another thread) you might try watching some of the videos on crane assisted tree removals. |
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| | #8 | |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
| Quote:
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| | #9 |
| Semi-mature vigorous tree Join Date: Nov 2008 Location: Edinburgh
Posts: 177
| Great work Phil, good pics.Good to see Jeremy having a go. |
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| | #10 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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why thank you treeson |
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| | #11 |
| Admin - Razor sharp and independent 2 X Diploma Level 5 qualified arborist Join Date: Jan 2007 Location: Brisbane
Posts: 12,820
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1st:- Nice pics and thank you for sharing, good quality as usual. 2nd:- Well said Treevet, I just saw the thread and spotted it straight away then combed for some-one else picking it up. 3rd:- and most interesting. Phil, can you explain these 2 pics, what the transition was, why hop from one tree to the next before finishing one, how did the hop occur? I'm asking not from an antagonistic point of view but from a "why do that" point of view for our readers. ![]() ![]()
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| | #12 |
| Mature Tree Join Date: Feb 2007 Location: Melbourne, Victoria, Australia.
Posts: 1,605
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My guess would be that it may have been more efficient to deal with all the brush/chipping first then deal soley with wood/logs. You mightn't make the effort if climbing each tree, but when you can get a lift across on the crane, then it's no sweat |
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| | #13 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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fair point there eric, trev is right , it was easyer to get rid of the branchs first and chip up so there be more room for the boys to ring up the logs as they come down and saying that I get the crane to lift me over to the next one to make life easyer ![]() |
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| | #14 |
| Mature tree Join Date: Aug 2007 Location: Australia, Vic, Melbourne
Posts: 387
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phill Great job Ace |
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| | #15 |
| Semi-mature vigorous tree Join Date: Jul 2008 Location: ohio, USA
Posts: 151
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Man ,you, "BLOKES" love them chains HUH? WHy use a chain instead of steel rope chokers? My 3/8'' grade 70 transport chains are rated at 5600 LBS. Thats nowhere near the the strength of wire rope. Every time I see you guys using chains ,I am literally perplexed. WHY put a weak link into your rig??? And what kind of hooks do you have on the ends of the chains? Chains can easily become undone when slacked . Steel wire rope chokers will never release from the load because they're "choked" and the are secure on the headache ball's hook with it's safety clip . IMO , chains are a poor choice for overhead rigging , too many factors that can disaster. PLEASE ENLIGHTEN ME TO THE CHAIN LOVE AFFAIR
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| | #16 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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that all fair enough and sometimes cables are better than chains, but the thing is that it is up to the crane co. to decide what we use and it does not matter what the maximum weight the chains can take, I will never go any where near that maximum weight , and to hook it on is to do it right the first time and the right way and you should not have any trouble. cheers |
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| | #17 |
| Backflipper Join Date: Dec 2007 Location: Cincinnati, Ohio, USA
Posts: 2,131
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I too have voiced questions about the chain choke in the past Phil. If you got a weak or degraded link it is much harder to notice than the fault in a steel choker or a canvas one of the same capacity. One little link fails and kaboom.
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| | #18 |
| Mature tree Join Date: Nov 2007 Location: Seattle, Wa. US of Eh
Posts: 408
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I too wouldn't like using chains for crane rigging. I really like logging chokers, as they are quicker to attach and detach than anything else. And they bite better than fabric slings. We use chains to assist the self loading log truckers when we need to skid logs with the boom, as length adjustment is quick and easy....and to assist in getting a solid grab on a big or heavy log when loading the truck.
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| | #19 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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Cheers guys, I will have to ask the crane com. if they are willing to use cables rather than chains ![]() |
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| | #20 |
| Backflipper Join Date: Dec 2007 Location: Cincinnati, Ohio, USA
Posts: 2,131
| Yeah Phil, I would prefer cable to chain but on smaller picks and where you have crotches and don't need so much bite, I prefer canvas and double braid lanyards. Cable that has taken on a memory in form outside of straight is gonna slap you in the face sometimes when handling and it is no fun.
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| | #21 |
| Semi-mature vigorous tree Join Date: Sep 2007 Location: new zealand
Posts: 80
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very nice take down.well done.
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| | #22 |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
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cheers soutz, hey where bout in NZ are you |
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| | #23 |
| Semi-mature vigorous tree Join Date: Dec 2008 Location: England (North West)
Posts: 105
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Wish i could have been a spectator when i was in N Z last month. Its allways nice to watch and learn or see somethings done differently. By the way i was on the North Island. Huia to be precise. But did manage to get right around the whole of the Island. Going to come back to travel around the South Island. Whilst on the subject of pines, i saw an awfull lot of dead and or dieing pines. Was told because they are not native you (kiwis) or you,r goverment departments want rid? Shame because i did see some real big specimines. There did seem to be a general lack of maintenance on trees in general, even in open and public places. And hey climb safe out there. Rob. ![]() ![]() |
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| | #24 | |
| Mature tree Join Date: May 2008 Location: new zealand
Posts: 450
| Quote:
it a same that I didn't know that you were here in NZ as I would be happy to have showen you around here in Wellington and you would have been welcome to watch us at work as you may have given us a few tips too, maybe next time you come over (if you do) we will catch up and hope we some more crane jobs then and may be a few ![]() ![]() cheers | |
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