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Tendril is a new entry into lightweight arborist 24-strand climb lines from Sterling Ropes. Tendril has been built from the ground up to perform consistently in wet or dry conditions and constructed with a softer feel to be easy to grip whether or not you climb wearing gloves. Tendril is designed to work as your access / SRT line or as a positioning / DdRT line and resists flattening even under heavy use, for consistent performance with your hitches and hardware.
Quick Overview: 7/16” diameter, 6,000 ABS, 5.98 lb per 100’.
Rated: OK Review by: Phil
“Difficult to hand splice.
This rope has a slightly different construction than typical double braids. The core has a set of five parallel strands of twisted fibers inside it, appearing similar to the inner strands in Yale XTC 16-Strand. The strands happen to be dark blue, also like XTC, but I can't tell exactly what material they are. I can see how they contribute to maintaining the round rope profile and good hand.
The presence of these extra strands inside the core makes the first half of a standard eye splice slightly more difficult, where the cover is passed back through the core. I needed to bunch the core back against the blue strands farther than expected in order to make room for the cover inside the core, but otherwise the cover insertion was not an issue. After equalizing the core against the blue strands, however, I was not able to get the core inserted back inside the cover below the core exit point. I pre-tapered the core, including the blue strands, and stepped down to a quarter-inch fid, but failed twice to make enough room between the core and cover to insert the two-layer core back inside the cover.
It may work with a splicing wand. The trick will be not picking the core and getting a clean wand insertion between the core and cover. Those blue inner-core strands maintain the core profile very well. I may also experiment with tapering the blue strands more aggressively. This rope is a slightly different beast than the other 24-strands.”
|Diameter||:||7/16” / 11.1 mm|
|Average Strength||:||6,000 lb / 2,722 kg|
|Material||:||Polyester / Nylon|
|Wt. per 100’/100m||:||5.8 lb / 8.4 kg|
|Elastic Elongation||:||3.3% at 10% ABS|
The American National Standards Institute (ANSI) has released the ANSI Z133 safety requirements which apply to arboriculutral operations.
Arborist climbing lines are required to have a minimum breaking strength of 5,400 lb (24 kN) when new, and should be no smaller than 1/2” (12.7mm) unless the employee has been trained in the use of smaller line (down to 7/16” / 11mm), and the line's working elongation should not exceed 7% at 540 lb load.
This rope meets ANSI Z133-2012 standards, so long as the user has been trained in the use of smaller diameter lines.
The full ANSI Z133 safety requirements are available on our tree care standards page.