Electro-Voice EVF/EVH EVF-1151S - Manual (Page 40)

Electro-Voice EVF/EVH User Manual
0
50
100
150
200
250
300
350
400
450
500
550
600
650
0 10 20 30 40 50 60 70 80 90
Angle (Degrees)
Working Load Limit (lb)
0
23
45
68
91
113
136
159
181
204
227
249
272
295
Working Load Limit (kg)
575 lb (261 kg) @ 0°
262 lb (119 kg) @ 30°
185 lb (84 kg) @ 60°
171 lb (78 kg) @ 90°
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
Figure 25:
Suspension line angle limits for
individual eyebolts, both in plane
of pull (left) and against plane
of pull (right)