Tri-lock, triple-lock, self-lock or 3-way carabiners are not fail safe - the gate can accidentally open while climbing!
Marketing, and the prominence of ratings and certification on hardware, paints a picture of ultimate safety for the climber but using current tree climbing methods the ..
As part of the certification process all 'popular brand' tree care work positioning harnesses display some form of label to clearly identify the manufacturer, ratings etc. The serial number often includes the month and year of manufacturer.
On the rating front, tree climbing harnesses sourced from Europe display EN 813 ..
Think of the humble wire coat hanger - bend it once and it will not break, bend it ten times and it might not break but bend the coat hanger enough times and it will finally give!
The concept is known as Cycles-to-Failure.
The term is more commonly associated with ..
It's a big call indeed to state categorically which climbing line is best suited to either climbing style; DbRT (doubled rope) or SRT (specifically single line work positioning)… so we'll resort to the sales volume through Treetools as the barometer for popularity.
Treetools cannot quote international sales figures for triple-lock (Triact or Locksafe) carabiners but we do know our own market very well. For the uninitiated, triple-lock carabiners require three distinct movements of the barrel in order to open the gate and are considered mandatory in aerial arboriculture.
The Top 5 triple-lock aluminum ..
Back in 2008 IRATA (Industrial Rope Access Trade Association) issued a Warning about the affects of ultra-violet light on personal fall protection equipment.
According to IRATA "There is irrefutable evidence to suggest exposure to ultra-violet light (UV) weakens many man-made fibres".
These textiles ..
Petzl Australasia have confirmed February 2013 for the arrival of the Petzl ZigZag. Recommended retail price is NZ$329.95 (Treetools pricing predictions were correct - see previous blog post here.
The ZigZag will be loaded onto the Treetools website later today where orders can ..
Size, style, comfort and quality play a major role in the decision making process, but prospective owners should also look for a few key features before they invest in a new pair of tree climbing boots.
The list below is generic and covers chainsaw protective and non-protective tree climbing boots. ..
We could be facetious and say the media hype generated by the Petzl ZigZag is the result of an audience craving for some light relief from the Single Line Ascent/Work Positioning debate but that would not be doing this new product from Petzl any justice at ..
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