Working load limit (WLL) can get confusing. For a start you cannot use a WLL rating in isolation - there are very important relationships between Breaking Strengths (BS), Safety Factors (SF), Working Load Limit (WLL) and Cycles to ..
Taiwan and China love copying the screw-tight connectors commonly used in climbing. The simplicity and usefulness of a screw-link make them the perfect target. But there is only one original - Maillon Rapides manufactured by Peguet in ..
A reputable Auckland marine supply retailer is selling climbing rope at an unbelievably low price. The picture below shows the inside of the rope when an attempt was made to splice it. The reason for the CHEAP price is now very apparent although the outer sheath looked to be in ..
The closer the retrieval shackle is to the choke the easier the rope saver is to retrieve!
This EUREKA moment lead to some changes in the latest DB Tree Rope Saver. The original version was a finite length (usually 1.3 m) and had a very tight spliced eye (with a DB ..
Webbing friction savers with large rings, rope friction savers with small rings (the smaller rings mean easier retrieval), rope savers with pulleys and adjustable prussics and rope savers with pulleys and mechanical devices - tree climbers have plenty of choices when it comes to reducing (or managing friction) in their ..
First noted by Drew Bristow in an early October Treetools blog the new version of the DMM Hitch Climber pulley (designed by the Treemagineers) is now available. Apart from the fancy new colour scheme it shares the same features as the original pulley with one exception: low friction, super smooth ..
One of the most common questions asked by climbers moving to the Treemagineers Hitch Climber system, a friction saver or one of the pulley based rope savers (
Johno Smith is trialling the Thompson Unicender in New Zealand and has suggested various modifications to its designer, Morgan Thompson in the USA.
Johno climbed on the Unicender in the Aerial Rescue event at the NZ National Tree Climbing Competitions held ..
In arboriculture the Americans and the Europeans do things differently. Different climbing styles and different equipment - probably due to different trees.
Most differences are obvious but some are more subtle: tree gaff styles for example. There are the American-style gaffs - straight with a narrow point and European-style gaffs with ..
There has been considerable interest in the new lowering devices from Stein Safety in the UK. Designed by Reg Coates in the UK, the RC-3002
weighs in at over 27 kgs. Many customers ask the question: how do you mount that beast! Reg has made the answer very simple ..
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