Live entertainment
Head block
The overhead sheave assembly redirecting lift lines and purchase line in a fly system.
Setup
- Inspection covers grooves, bearings, fleet angle, guards, mounting, rope, and alignment.
Venue contexts
- Theatre, concerts, festivals, broadcast, and corporate events, as applicable
Signal flow
- Confirm the source, patch, transport, control, and destination for the system involved.
In practice
Inspection covers grooves, bearings, fleet angle, guards, mounting, rope, and alignment.
Explore related entries
Related entries
Sources
- Published Technical Standards — Entertainment Services and Technology Association
- E-learning glossary — ScreenSkills