Ski lifts would probably be the most familiar example of this technology.
You're wrong about cable weight being a major limiting factor. The important factors are the distance between supports and drive points. There are three significant forces acting on a system:
The weight of cable and cargo
The pulling force exerted on the cable
Side loads produced by ...
Sodium azide has some shortcomings
an electronic controller detonates this mixture during an automobile crash:
$2 NaN_3 → 2 Na + 3 N_2$.
The same reaction occurs upon heating the salt to approximately 300 °C. The sodium that is formed is a potential hazard alone and, in automobile airbags, it is converted by reaction with other ingredients, such as ...