Figure 8 descenders are preferred for what length of rappels?

Figure 8 descenders are particularly favored for shorter rappels due to their simplicity, control, and ease of use. When descending over a shorter distance, the figure 8 allows for quick setups and adjustments, enabling the user to manage their speed effectively while maintaining a clear line of sight and good body positioning.

In addition, during short rappels, the wear and tear on the device can be minimized, as there is less friction generated compared to longer rappels. The design of the figure 8 is advantageous for quick descents without the complexities that might arise from devices suited for longer, more technical rappels, where additional features for inertia and load management would be necessary.

While the figure 8 can be used for longer rappels, it is more commonly associated with shorter operations where rapid descents and simplicity are prioritized, making it an ideal choice for such situations.