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APPENDIX B
F H = Horizontal Force
F V = Vertical Force
M T = Torsional Moment
M O = Overturning Moment
Elevation
Degrees
Mechanical
Beam
0
23
10
33
20
43
30
53
40
63
50
73
60
83
70
93
22.6˚
Antenna Mechanical Axis
(Normal to Reflector)
Force
Pounds*
F H
1,824)
1,726
1,677
1,519
1,337
1,166
972
729
Mo Based on 55" (140.7 cm) From Mounting Surface to CL of Antenna.
*Kg = Pounds x .45359
**N-m = Foot-Pounds x 1.35582
Values shown above represent maximum forces for any wind direction.
Height and exposure factors from the uniform building code are NOT included.
44.6 cm
(17.6 in)
35.1 cm
(13.8 in)
F V
F V
-47
1,073
-365
1,035
-710
984
-1,008
892
-1,215
756
--1,337
635
-1,398
491
-1,082
378
18
197.2 cm
(77.6 in)
F H
140.7 cm
(55.4 in)
M T
M O
Moments
Foot-Pounds*
M T
M O
8,436
7 ,983
7 ,756
7 ,025
6,184
5,393
4,496
3,372
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