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"GL"1' & "GH" Grid Series Antenhas <br />Approximate Wind Forces at f25 mph (200 kmh) <br /> <br /> Top View <br /> <br /> I <br /> <br /> Positive Sign Convention for Windloads <br /> 1` For 'GL* Series values see below. <br /> <br />Grid Antenna without Ice Grid Antenna with 1/2 in. (25mm) radial Ice** <br /> <br /> Antenna, Wind Axial Side Twisting Wind ' Axial Side ' .::~Twlstlng <br /> Diameter: Angle Force Force ' ~Moment Angle . 'Force Force ' ~:~' Moment <br />Jrt (m) degree F, Fo M degree F, Fo M <br />· i ' lb(N) lb (N) fl.-lb. (N-m) lb (N) lb (N) :'"fl.-lb. (N-m) <br /> <br /> 3 ft. 0 ~so (sro) o (0) o (0) <br /> (0.9) 70 52 (230) 93 (410) 59' (79)* <br /> 115 -79 (-350) 95' (420)* 57 (78) <br /> 180 -200' (-890)' 0 (0) 0 (0) <br /> <br /> 4 ft. 0 310 (1360) 0 (0) 0 (0) O 750 (3300) 0 (0) 0 (0) <br /> (1.2) 70 87 (390) 155 (690) 127' (172)* 6O 780* (350O)° 148 (660) -137 (-186) <br /> 115 -133 (-590) 160' (710)* 124 (169) 125 -230 (-1020) 240' (1060)* 300* (400)* <br /> 180 -330* (-1490)* 0 (0) 0 (0) 180 -530 (-2400) 0 (0) 0 (0) <br /> <br /> 6 ft.m 0 710 (3100) 0 (0) 0 (0) 0 1730 (7700) 0 (0) 0 (0) <br /> (1.8) 70 200 (890) 360 (1600) 450° (610)* 60 1810° (8100)* 340 (1520) -480 (-650) <br /> 115 -310 (-1360) 370* (1640)° 440 (590) 125 -530 (-2400) 550* (2600)* 1050' (1420)* <br /> 180 -770' (-3400)* 0 (0) 0 (0) 180 -1230 (-5500) 0 (0) 0 (0) <br /> <br /> For Grid Antennas with I inch {25 mm) of radial ica. use windload <br /> <br /> For 'GL' Sa~ea Grid Antennas. use 80% of F, and 90% o[ F, and M <br /> <br /> Note I The above windidade ate typical for most eppiicatidns. For some <br /> models, the loads may vary from this table. Contact your Gabriel <br /> Sales Engineer for details. <br /> <br /> P.O. Box 70. Scarborough. Maine 04070 U.S~. Tel: 207-883-5161 Fax: 207-883~t469 - 125 <br /> email: info~gabrielnet.co~n web: http:/N~w.gabdelnet.com <br /> <br /> <br />