A-1
Appendix A. CM106B Allowable Wind
Speeds
CM106B load ratings assume:
•
Sensors (effective area = (0.13 m
2
(1.4 ft
2
)) at top of mast
•
Solar panel (26.7 x 41.9 cm (10.5 x 16.5 in)) at mast base
•
ENC14/16 mounted to leg
•
Guy wires attached to mast at 1.2 m (3.8 ft) above tripod body
•
Adequate ground anchors (stakes alone may not resist foot vertical
pullout force)
Tripod
Footprint
Dia.
Mast Height
Mast
Config-
uration
Guy
Anchors
Max.
Allowable
Gust
Wind
Speed
Max.
Allowable
Equipment
Weight
Foot
Vertical
Pullout
Force at
Gust Speed
Guy-Wire
Tension at
Gust Speed
Ideal Guy-
Wire
Installation
Pre-Tension
m
ft
m
ft
mph m/s kN
lb
kN lb kN lb
kN
lb
3.5 11.5 2.1
7
Retracted
Unguyed
104 46
4.3
964 0.31 70
-
-
-
-
Attached to
legs @ feet,
45deg
Zenith
159 71
2.8
639 0.73 163 1.3 300 0.67 150
Independent
anchors @
45deg
Zenith
159 71
2.8
639 0.25 56 1.3 300 0.67 150
2.7 8.7 2.8 9.3 Retracted
Unguyed
104 46
4.3
964 0.71 160
-
-
-
-
Attached to
legs @ feet
159 71
1.9
438 1.57 352 1.8 400 0.89 200
Independent
anchors @
45deg
Zenith
159 71
2.8
639 0.69 155 1.3 300 0.67 150
3.5 11.5 3.0
10 Extended
Unguyed
81
36
4.3
964 0.26 59
-
-
-
-
Attached to
legs @ feet,
45deg
Zenith
132 59
2.4
544 0.70 157 1.8 400 0.89 200
Independent
anchors @
45deg
Zenith
132 59
2.4
544 0.08 17 1.8 400 0.89 200
