ELECTRO-VOICE
®
X-Line
TM
Rigging Manual
1
Table of Contents
Rigging-Safety Warning.............................................................................................................................................. 2
0
Introduction .............................................................................................................................................................. 3
1
X-Line Rigging System ............................................................................................................................................ 4
1.1
Overview of the X-Line Flying System ..................................................................................................... 4
1.2
Enclosure Rigging Hardware Details ....................................................................................................... 6
1.3
Rear Rigging Hinge Details ................................................................................................................... 10
1.4
Front Rigging Strap Details .................................................................................................................... 13
1.5
Xvbp Pull-Up Bar Details ....................................................................................................................... 16
1.6
ATM X-Line Grid Details ........................................................................................................................ 17
1.7
RS-1B Double-Stud Rigging Fitting ....................................................................................................... 18
2
X-Line Rigging and Flying Techniques .................................................................................................................. 19
2.1
Array Considerations ............................................................................................................................. 19
2.2
Adjusting the Vertical Angles of the Enclosures..................................................................................... 19
2.3
Deciding Whether to Use an Xvhg or Xvhl at the Grid ........................................................................... 21
2.4
Rigging an Array with Boxes Using X-Line Dollies ................................................................................ 22
2.5
Pull-Up Techniques ............................................................................................................................... 25
3
Rigging-Strength Ratings, Safety Factors, and Special Safety Considerations ..................................................... 26
3.1
Working-Load Limit (WLL) and Safety Factors ...................................................................................... 26
3.2
Structural Rating Overview .................................................................................................................... 26
3.3
Simplified Structural-Rating Guidelines ................................................................................................. 27
3.4
Complex Structural-Rating Analysis ...................................................................................................... 30
3.5
Wind Loading ......................................................................................................................................... 38
3.6
Electro-Voice Structural-Analysis Procedures ....................................................................................... 38
4
Rigging Inspection and Precautions ...................................................................................................................... 39
References ............................................................................................................................................................... 41
Notes ........................................................................................................................................................................ 42
