Welcome to Height Dynamics information and news blog. We use our blog to provide you with a short burst of industry news and updates, new product releases and promotions and, our personal favourite, “Dangerous Things We See Onsite". Here you'll find everything you would want to know about a full range of height safety, confined space and rescue all conveniently located in one space.
There are a variety of descenders available on the market. Most of these descenders are rated to between 140 to 200 kg. This rating is ideal for single person use but may not be suitable for evacuation of two persons in a rescue scenario. These descenders usually require extra friction (e.g. directing the rope through additional carabiners) to allow them to be safely used at the higher end of their rated load. In some cases the manufacturer states that “descent control becomes very difficult, and unforgiving of any operator error or incident during the operation.” Read more here