Chapter 3
Materials
One should never be substituted for the other in a repair. The rigger should have material certification and lot tractability for any materials used in the repair. The material certification should additionally identify the type. [Figures 3-17 through 3-32]
Cords, Lines, and Threads
The most common uses of cord and lines are the suspension lines of the canopy. There are many different types in use.
Today, the most common are nylon, Dacron, and Spectra®.
The rigger needs to know the different types and their uses.
Each may have special techniques to work with them.
Almost all cords, lines, and threads are constructed of Nylon, again because of its inherent strength and relative elasticity. [Figures 3-33 through 3-43]