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Standard Antennas <br /> Approximate Wind Forces at 125 mph (200 kmh) <br /> ~ alpha <br /> / ~ Wind <br /> <br /> Positive Sign Convention for Windloads <br /> <br /> Standard Antenna without radome Standard Antenna with radome <br /> Sldelb Force( Twisting M°ment-r~ <br /> Diameter , degree F, : F~, M ' degree F, n.lb'(N ")': <br /> ft. (meter), lb (N) lb . (N) ft*lb (N:~) . :' lb (N) <br /> 2-tr. 0 29o (1280) 0 (0) 0 (0) 0 163' (720)' 0 (0) 0 (0) <br /> (0.6) 60 310' (1390)' 49 (220) -39 (-53) 50 102 (460) 100' (440)° -18 (-25) <br /> t25 -82 (-360) 87' (390)* 65' (89)' 100 9 (38) 75 (330) 76' (103)' <br /> 180 -193 (-860) 0 (0) 0 (0) 180 -125 (-550) 0 (0) 0 (0) <br /> <br /> 2.5-ft. 0 390 (1750) 0 (0) 0 (0) 0 220' (990)' 0 t (0) 0 (0) <br /> (0,8) 60 430' (1010)' 67 (300) -83 (-86) 50 t41 (630) 137' (610)' -30 (-40) <br /> 125 -112 (-500) 119' (530)° 106' (143)° 100 12 (53) 102 (480) 122' (166)* <br /> 180 -270 (-1180) 0 (0) 0 (0) 180 -171 (-760) 0 (0} 0 (0) <br /> <br /> 4-ft. 0 960 (4300) 0 (0) 0 (0) 0 840' (2400)' 0 (0) 0 (0) <br /> (t.2) 60 1050' (4700)' 163 (720) -240 (-820) 50 340 (1520) 330' (1480)* -112 (-152) <br /> 125 -270 (-t210) 290' (1290)* 400' (540)' 100 29 (128) 250 (1110) 460' (630)' <br /> 180 -640 (-2900) 0 (0) 0 (0) 180 -420 (-1850) 0 (0) 0 (0) <br /> <br /> 6-ft. 0 2000 (9100) 0 (0) 0 (0) 0 1160' (5200)' 0 (0) 0 (0) <br /> (1.8) 60 2200' (9900)' 350 (1550) -750 (-1010) 50 730 (3300) 710' (3200)° -550 (-480) <br /> 125 -580 (-2600) 620' (2800)' 1250' (1690)' 100 61 (270) 530 (2400) 1450' (1960)' <br /> 18o -~38o (-81oo) o (o) o (o) 18o -890 (-4ooo) o (o) o (o) <br /> <br /> Nolee 1 The above windloade are typical for most applications. <br /> For same mode~a, the windloeds may var/from this table. <br /> Conlacl your Gabriel Sales Engineer for U~ese values. <br /> <br />126 P.O. Box 70, Scad)orough, Maine 04070 U.S.A. Tel: 207-883-5161 Fax; 207-883-4469 <br /> <br /> email: Info~gabrielnel.com web; http~/www.gabrlelnet.com <br /> <br /> <br />