Electro-Voice EVH-1152D, EVF-2121S, EVH-1152S, EVF-1152D, EVF-1122D Working Load Limits for Eyebolts

Page 40

6.0 Rigging-Strength Ratings and Safety Factors (cont’)

6.31 Working Load Limits for Eyebolts

Eyebolts can be used to suspend individual loudspeakers and certain types of clusters. Eyebolts attach to the EVF and EVH enclosures through the integral M10-1.5 attachment points. Section 5.21 Anatomy of an EVF or EVH Flying System Using M10 Eyebolts should be reviewed at this time for more information on eyebolt alignment and positioning on the enclosure. Table 9 shows the WLL per eyebolt with respect to the angle of the applied load. Figure 25 shows the suspension-point angles that are referenced in the table. It is a good idea to stay within 30° of the maximum WLL of the eyebolt (straight up position) for main suspension lines.

Table 9:

WLL for M10 eyebolts in the EVI-M10K eyebolt kit

 

650

 

 

 

 

 

 

 

 

295

 

 

 

 

 

 

 

 

 

 

 

 

 

600

575 lb (261 kg) @ 0°

 

 

 

 

 

 

272

 

 

 

 

 

 

 

 

 

 

 

550

 

 

 

 

 

 

 

 

249

 

 

 

 

 

 

 

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

227

 

 

 

 

 

 

 

 

 

 

 

 

(lb)

450

 

 

 

 

 

 

 

 

204

(kg)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit

400

 

 

 

 

 

 

 

 

181

Limit

350

 

 

 

 

 

 

 

 

159

Load

 

 

262 lb (119 kg) @ 30°

 

 

 

Load

300

 

 

 

 

 

136

 

 

 

 

 

 

 

Working

 

 

 

 

 

185 lb (84 kg) @ 60°

Working

250

 

 

 

 

 

113

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

91

 

 

150

 

 

 

 

 

 

 

 

68

 

 

100

 

 

 

 

 

 

171 lb (78 kg) @ 90°

45

 

 

 

 

 

 

 

 

 

 

 

 

50

 

 

 

 

 

 

 

 

23

 

 

0

 

 

 

 

 

 

 

 

0

 

 

0

10

20

30

40

50

60

70

80

90

 

 

 

 

 

 

Angle (Degrees)

 

 

 

 

 

Figure 25:

Suspension line angle limits for individual eyebolts, both in plane of pull (left) and against plane of pull (right)

40

Electro-Voice EVF/EVH User Manual

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Contents
Page Table of Contents Table of Contents cont’ Rigging-Safety WarningIntroduction Introduction cont’ EVF-1122S/96 exampleEnd View Front View Side View 143.0 lb 64.9 kg 145.5 lb 66.1 kg Key suspension point dimensions as shown in figure above DimensionEVF Front-Loaded Series Finishes and Colors AvailableEVH Horn-Loaded Series Accessories for EVF and EVH Systems Tool ListDesigning an EVF/EVH Cluster General Aiming and Placement GuidelinesDirectivity Break Frequency Defined Designing an EVF/EVH Cluster cont’ Basic Clustering GuidelinesCoverage-Uniformity Target Multiple-Source Interference in Clusters Normalized See text for more detailsReducing Multiple-Source Interference EVF Full-Range Designing an EVF/EVH Cluster cont’ Recommended Preflight Procedures Preparing EVF and EVH Systems for InstallationPassive/Biamp Crossover Configuration Preparing EVF and EVH Systems for Installation cont’ Rotation of High-Frequency Waveguides EVF systemsDigital Signal Processing Full-Range Systems in Passive Mode Preparing EVF and EVH Systems for Installation cont’ EVF and EVH Rigging System Introduction Flying EV-Innovation EV-I Loudspeaker SystemVRK-1 or HRK-1 connection VRK-2 or HRK-2 connection VRK-1 or HRK-1 connectionEVF and EVH Rigging System cont’ VRK-1 rigging kit with parts identifiedVRK-2 rigging kit with parts identified VRK-3 rigging kit with parts identifiedHRK-2 rigging kit with parts identified HRK-1 rigging kit with parts identifiedHRK-3 rigging kit with parts identified Important Details that Apply to the VRK and HRK Rigging Kits EV-I Rigging PrimerEVF and EVH Rigging System cont’ Eyebolt Installation Hardware not shown, using a All-Eyebolt ClustersTwo-system horizontal cluster using Systems, using an extreme trim angle Systems, using a moderate trim angleVRK Kits and Vertically Rigged Clusters HRK Kits and Horizontally Rigged Clusters EVF Full-Range Six-enclosure horizontal hang of three systems above Assembly Instructions for VRK and HRK kits Short in front Toward grille Rigging-Strength Ratings and Safety Factors Working Load Limit and Safety-Factor DefinitionsRigging-Strength Ratings and Safety Factors cont’ Structural Rating OverviewLimits for ALL-EYEBOLT Clusters only All-Eyebolt Structural RatingsWorking Load Limits for Eyebolts WLL for M10 eyebolts in the EVI-M10K eyebolt kitSuspension-Line Angles Left-to-Right All-Eyebolt Cluster AnglesVRK Rigging Structural Ratings for Vertical Clusters Limits for Vertical Clusters only WLL for M10 eyebolts in the EVI-M10K eyebolt kit Left-to-Right Vertical Cluster Angles HRK Rigging Structural Ratings for Horizontal Clusters Maximum load and maximum height for horizontal clustersUsing Tie Plates as Main Load-Bearing Suspension Two cluster using HRK rigging kitsSuspension-Line Angles for HRK Kits Symmetry for Horizontal Clusters using HRK Kits Inner Connection Points Left-to-Right Horizontal Cluster AnglesElectro-Voice Structural-Analysis Procedures Ratings for Outdoor Applications with Wind LoadingRigging Inspections and Precautions References Rigging printedMechanical Engineering printed Rigging Web sitesPage Page Electro-Voice
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