Telex ELECTRO-VOICE X-Line TM - Manual (Page 2)

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