Influences of RF on the human body
We are often surprised of the lack of knowledge among technicians working at height when it comes down to antennae. Further investigation helps to discover that there is little information available unless you are looking for RF coming from cell phones. This is not the type of information we can use to describe what you […]
Materials: Nylon vs Poly vs Kevlar vs Dyneema
Materials Nylon 6-6 Polyester Kevlar Dyneema Melting Point °C °C °C °C Mass Density 1.15 g/cm³ 1.37 g/cm³ 1.44 g/cm³ 0.97 g/cm³ Friction Resistance Good OK Excellent Self lubricating Stretch High Low Very Low Creeps Colorfastness Superior Great Not Not Chemical Resistance Not good Excellent Good Excellent Arresting Force Excellent Good Not good Not good […]
Influences of wind
We are often asked what maximum wind speed a rope access tech can work at. Of course there is no quick answer. Wind can be deceiving because you cannot tell if it is windy at height. Beside a freak wind where a tech can be taken by surprise there is another important element to consider: […]