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6.0 Rigging-Strength Ratings and Safety Factors (cont')
6.4 VRK Rigging Structural Ratings for Vertical Clusters
The guidelines for simplified vertical structural ratings cover the following information:
1.
Maximum length of the cluster.
2.
Maximum weight of the cluster.
3.
WLL for eyebolts.
4.
Trim angle.
5.
Tie points for eyebolts.
6.
Left-to-right vertical cluster angles.
The majority of vertical clusters will be suspended using a combination of VRK vertical rigging kits and
factory-supplied eyebolts. For a vertical cluster, select the eyebolt position that results in the highest eye-
bolt strength as shown in Table 12. Different eyebolt positions are shown in Figure 28.
Max. Cluster Weight
475 lb (216 kg)
Figure 28a:
Load-bearing suspension points used for
positive or moderate negative trim angles
42
Max. Cluster Weight
475 lb (216 kg)
Figure 28b:
Load-bearing suspension points used for
more extreme negative trim angles
Electro-Voice EVF/EVH User Manual
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