Garmin EVA-2082S/920, EVA-2082S/906, EVA-2082S/126 user manual Table of Contents

Table of Contents

Rigging-Safety Warning				3
1.0	Introduction			4
2.0	Tool List			7
3.0	Designing an EVA Array			7
	3.1	Applications for which EVA Arrays are Most Appropriate		7
	3.2	Typical Number of Arrays		7
	3.3	Determining EVA Array Configuration with EVADATM (EVA Design Assistant) Software		8
	3.4	Other Design Examples		14
		3.41	Dealing with the Relatively High Low-Frequency Variation of Short Arrays	14
		3.42 A Five-Module Array Example		15
		3.43 An Eight-Module Array Example		16
	4.0	Preparing EVA Modules for Installation		17
	4.1	Recommended Preflight Procedures		17
	4.2	Module Configuration		17
5.0	EVA Rigging System			20
	5.1	Overview of the EVA Flying System		20
	5.2	Deciding which Grid Configuration to Use with an EVA Array		21
		5.21	Standard Grid with or without Second Spreader Bar	21
		5.22	Extended Grid with or without Second Spreader Bar	22
		5.23 Use of Two Standard Grids		23
	5.3	Assembling and Flying an EVA Array		24
6.0	Rigging-Strength Ratings and Safety Factors			25
	6.1	Working-Load Limit and Safety Factor Definitions		25
	6.2	Structural-Rating Overview		26
	6.3	Simplified Structural-Rating Guidelines		27
	6.4	Electro-Voice Structural-Analysis Procedures		30
7.0	Rigging Inspection and Precautions			31
8.0	References			32
	8.1	Rigging (Printed)		32
	8.2	Mechanical Engineering (Printed)		32
	8.3	Rigging (Websites)		33
Notes				34

2 Electro-Voice® EVA Series User Manual