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Old 5th April 2008, 05:55 AM   #1 (permalink)
Semi-mature vigorous tree
 
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Default advanced throwbag technique? and cambium saver setting

hi guys. hopefully you can help me with this.

ive spent all morning practising with my throwbag and getting what i feel is quite pleasingly accurate with it. I can set my throwline over a nice highcrotch suitable for a TIP that will allow me to move about a large proportion of the tree using the odd redirect etc.

however, try as i might, there's always stuff in between the two sides of my throwline (where it goes up and where it comes down. on a low limb its not such a problem, i can trim the small stuff away with my pole saw. but we're talking maybe 40 odd feet up for this TIP and when i try to deploy my cambium saver, i end up with a loop running between the desired TIP and whatever it is that's got in the way. I do apologise if this is difficult to follow. It strikes me that the methods in the TCC apply well to a tree without a single twig growing off the trunk.

if i had my throwline either side of a sizeable lower limb below the crotch i want, i throw it over that limb to get both the same side, but it's the smaller brashy stuff further up that's causing me problems.

is there a method to this or am i resigned to the method of moving up one limb at a time and continually advancing my TIP?

am I being daft here? am i trying to do something that just cant be done in these scenarios?

is achieving a single TIP straight away, the ever-elusive holy grail?

sorry for the super-rookie question, but i am a rookie

Jim
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Old 5th April 2008, 08:15 AM   #2 (permalink)
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Default Re: advanced throwbag technique? and cambium saver setting

well ive been playing about and reckon ive sussed it for at least half of the situations by swapping my throwbag onto the other end of the throwline and re-setting where the original trailing end hangs.

for anything else i'll just have to keep advancing my TIP as i go.

wasnt a problem before i got my cambium saver. typical haha.
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Old 5th April 2008, 01:53 PM   #3 (permalink)
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Default Re: advanced throwbag technique? and cambium saver setting

Hi Jim,
One of the biggest and often overlooked bonuses of climbing branch to branch is you get to inspect at close quarters the integrity of your tie in, and look for obvious defects in the tree,Yes it might be harder to do but IMO much safer.
At least when you finnaly reach your desired TIP to work the tree, You will feel much safer when your out on a limb and the only thing holding you inplace is your anchor points.
Jim keep practicing good technique it will all fall into to place and you wont believe how it use to give you a hard time in the past. Pitch that rope!
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Old 5th April 2008, 02:22 PM   #4 (permalink)
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Default Re: advanced throwbag technique? and cambium saver setting

yeah that makes a whole lot of sense! thanks
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Old 6th April 2008, 06:21 PM   #5 (permalink)
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Default Re: advanced throwbag technique? and cambium saver setting

Quote:
Originally Posted by JayD View Post
Hi Jim,
One of the biggest and often overlooked bonuses of climbing branch to branch is you get to inspect at close quarters the integrity of your tie in, and look for obvious defects in the tree,Yes it might be harder to do but IMO much safer.
At least when you finnaly reach your desired TIP to work the tree, You will feel much safer when your out on a limb and the only thing holding you inplace is your anchor points.
Jim keep practicing good technique it will all fall into to place and you wont believe how it use to give you a hard time in the past. Pitch that rope!
another option is to settle for a less than "holy grail" TIP, but one quite a ways up there in a crotch that doesn't need inspection that you can reach. work a limb or two on your way up and you'll have that part done. meanwhile you find a good TIP and work the rest of the tree.

there is a technique that a guy showed me a number of years ago of how to use a rope and a carabiner to redirect a throwline to the desired location, but i can't quite remember the technique. maybe someone here will remind us. keep up the inquisitive impulses and you'll be a great climber in a year or two.

good luck,
kevin
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Old 6th April 2008, 08:14 PM   #6 (permalink)
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Default Re: advanced throwbag technique? and cambium saver setting

To direct your throwbag in and around the branches is abit of a fine art. It's all got to do with the pulling and letting the bag swing in the direction you want, then letting it suddenly drop past that point. Even when you are going to the high pitch and you get it over 2 or 3 branches at once, you just simply take the bag off the end of the throwline and place it in the middle and direct it down inbetween the branches, again it is quite an art to be able to do this efficiently.

What's the point in spending 30 mins trying to get a highline when in 25 mins you could have already progressed your way up the tree to the highline point?
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Old 6th April 2008, 08:15 PM   #7 (permalink)
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Default Re: advanced throwbag technique? and cambium saver setting

That is good if you are improving your accuracy quickly as that!

Something to think about is testing your TIP before leaving the ground. If you're sending a running bowline up to the TIP for Single Rope Technique SRT, then have you and a groundman pull on the single strand. This is about double your body weight, so if it holds, it should hold under the minor bouncing of your body as you ascend to your TIP where you can inspect it, and set up your Doubled Rope Technique DdRT.

Is sounds like you are asking about using a cambium saver and DdRT, good on you for the saver.

Sounds like you're talking DdRT, so have you on one end and the groundie on the other to, again, TEST your TIP with twice your body weight.

I was just a little bit out from the branch collar on a tree with DdRT. I tested the Douglas-fir branch that I thought would hold me. SNAP!! Had I not been testing on the ground, it could have been while I was on my way up, then my way down would have been FAST with a sudden stop at the end.

TEST! TEST from the ground!






There are some good throwline articles on ????????.com that inform on good techniques.




You sound like you have some additional branches in the way. You will be surprised at how you can manipulate your throwbag at times to get one limb slung with your line to avoid your difficulty.

Let's suppose you're dealing with a conifer with numerous branches that are radiating out from the tree, roughly horizontally, and somewhat stacked above one another.

Let's say that you're looking at the tree in front of you, which we will call the 12 O'clock position. Let's say your throw way from the left side as you're facing it, or 9:00 toward the right side or 3:00.

Now let's say that you have the Tie-in-point TIP at 12:00 with the 9:00 side clear, but after going over you TIP branch you've ended up on the 3:00 side of two branches on the way down. If you leave them there, you'll have the situation that you've described.
If you manipulate the bag carefully, you'll be able to avoid this at times. If you are slowly pulling in the line, raising your bag, coming closer to the branch with the throwline running against the 3:00 side of the problematic branch, when you are just barely underneath (~2-4"), give it a faster pull that will bounce the bag off the branch as it comes up. It will bounce toward the 3:00 direction as it comes above the branch. Now as it it above the problem branch and swinging from 3:00 toward 9:00, drop the line and the bag will now be on the desired 9:00 side of the offending branch. If you do this with all of the branches in the way, then you will have a clean shot for DdRT all the way up to your TIP. Now remember to test the integrity of the TIP with your climbline before leaving the ground.

Hope that this tip was clear enough, wish I could get a drawing in.

Best of luck, or should I say skill.
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Old 6th April 2008, 08:19 PM   #8 (permalink)
Eric Frei Administrator - Brisbane L5 (Dip) Hort Cert III Arb + some
 
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Default Re: advanced throwbag technique? and cambium saver setting

Sawsong, what you are refering to is called "isolating the branch".

Sure, use both ends of the throwline, dont be afraid to add more weight to like 2 or 3 throw bags. You should always have 2 throwlines and a few bags anyway coz you will get stuck one day.

Check out this swing technique at the beginning of this video using double throw bags midline.

Quality is a little poor but you can see what goes on.

http://www.palmtreeservices.com.au/v...ellinggums.wmv 11mb WMV
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