Download X-Array - Flying Manual and Structural Ratings

X-Array™ Loudspeaker Systems
TABLE OF CONTENTS
PAGES
RIGGING-SAFETY WARNING
0. INTRODUCTION
1. X-ARRAY™ RIGGING SYSTEM
1.1 Overview of the X-Array™ Flying Systems ............................................................................ 1-2
1.2 Loudspeaker Enclosure Details ............................................................................................. 2-5
1.3 Rigging Hinge Details ............................................................................................................ 5-7
1.4 Rigging Strap Details ............................................................................................................. 7-8
1.5 Grid Details ............................................................................................................................... 8
2. X-ARRAY™ FLYING TECHNIQUES
2.1 Enclosure and Horn Orientation .......................................................................................... 9-10
2.2 Adjusting the Vertical Angles ............................................................................................. 10-12
Using the Xrsl (long wire-rope rigging strap) Between Enclosures ........................................ 10
Using the Xrsl (at the Grid ................................................................................................. 10-11
Using the Xrss (short wire-rope rigging strap) Between Enclosures ................................. 11-12
Using the Xrss at the Grid ...................................................................................................... 11
Multiple Enclosure Angles ...................................................................................................... 12
2.3 Adjusting the Horizontal Angles ......................................................................................... 12-13
2.4 Balancing and Distributing the Load .................................................................................. 13-14
Array Load Distribution ...................................................................................................... 13-14
Balancing the Grid .................................................................................................................. 14
2.5 Using Pull-Up Lines ........................................................................................................... 14-15
Pull-Up Line Techniques ................................................................................................... 14-15
CAUTIONS for Pull-Up Lines ................................................................................................. 15
3. RIGGING-STRENGTH RATINGS, SAFETY .............................................................................. 15-23
FACTORS AND SPECIAL CONSIDERATIONS
3.1 Working-Load Limit and Safety Factors ...................................................................... 15-16
Definitions .................................................................................................................... 15-16
CAUTIONS for Working-Load Limits and Safety Factors ................................................. 16
3.2 Structural Rating Overview .......................................................................................... 16-17
3.3 Simplified Structural-Rating Guidelines ............................................................................ 17
The Guidelines ................................................................................................................. 17
CAUTIONS for the Simplified Structural-Rating Guidelines ........................................ 17-19
Discussion of Array Examples .......................................................................................... 19