Speed lines

[SmudgeCTS]

Hi all,

Very new to this website but have had my own business a year now and all is going well. Have had no need it use a speed line as yet but was just hoping for some honest advice on their use and ease of rigging. Have seen one in action but to be honest the job would have been just as easy if the lumps were lowered under the tree.

 

Apologies if there is another thread on same subject.

 

Cheers

 

Smudge

Cheddar Tree Services

[Dan Earp]

Speedlining is great if there a fair way to drag the brash. Also great for going over targets like sheds or streams also if your at a bottom of a steep verge it can be pulled up 👍 good bit of kit when used rightly bud

[explorer arb]

use a supper static rope

tension with a grcs or SW for rapid tensioning/ tensioning and plenty of power

use a proper tandem pulley or a twin pulley'd carrage

have lots of slings & krabs & probably a rigging plate

watch the vectors! you may need a very long traverse line to ensure the timber is compressed axially

depending on the job consider setting up a reeve, an English one is best

 

forces involved can be MASSIVE consider using a computer program if you wish to pre tension the traverse line before securing 'packages' to it.

If not ensure that you use a tension aid which will not overload the system, place the package on an un-tensioned traverse line then apply tension before lowering the package.

 

if you know what you're doing lighter sections can be cut strait onto the tensioned traverse line but like i said make sure you understand the forces & maybe use a computer to get it all right

 

or better still get someone in to guide you through the job or seek training. i did a 3 day speed line course took weeks of revision to stop my head spinning!

[John Shutler]

Keep it simple, a very effective speed line can be setup with minimal kit. Ie an old climbing line tensioned with a truckers hitch And a selection of karabiners and slings

Edited January 14, 2014 by John Shutler

[mistahbenn]

Also zip lines are even simpler. Attach rope to tree, sling on branch. Get groundy to old rope in desired landing zone, cut branch. Easy.

[SmudgeCTS]

Explorer you lost me in the first couple of sentences.

The simpler the better for me as long as it works.

[josharb87]

Computer programs and weeks of revision, you on crack?!

 

Keep it sensible and you'll be fine

 

[explorer arb]

a load of 200kg placed onto an old climbing line pre tension ed to give a required deflection of 2m once the load is transferred= ???????

 

or a 100kg load dropped 3feet onto the same line=????

[explorer arb]

based on a 70 m traverse/track/ speedline

 

answer A (approximately) 1750kgf

answer B (approximately) 7000kgf!!!!!!

 

people complain that clients regard us as semi skilled gardeners and not professionals, i wonder why?

 

like the others said just keep it simple, cross your fingers & hope for the best

[explorer arb]

not a speed line but here are some true professionals:

[ame=http://www.youtube.com/watch?v=UqrXO91lqpw]Trivect Tree Rigging and Removal - YouTube[/ame]

 

nice one guys!