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Aviation History
1932
1932 - 0071.PDF
FLIGHT, JANUARY 22, 1932 AIR SPEED 110 M.P.H. Wind Speed. Il l Deg. 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 315 330 34 5 360 10 m.p.h. G.S. 101 102 103 105 107 109 112 115 117 118 119 120 119 118 117 115 112 109 107 105 103 102 101 100 CtoC Deg. + 1 3 4 5 5 6 5 5 4 3 1 0 - 1 3 4 5 5 6 5 5 4 20 m.p.h. G.S. 91 93 95 98 103 108 113 119 123 126 128 CtoC Deg. + 3 6 8 9 10 11 10 9 8 6 3 130 | 0 128-3 126 6 123 8 119 113 108 9 10 11 103 10 98 ! 9 95 30 m.p.h. G.S. 81 84 87 92 98 106 113 121 129 134 138 140 138 134 129 121 113 106 98 92 8 J 87 3 | 93 | 6 1 0 91 84 3 i 81 90 ! 0 80 CtoC Deg. + 4 8 11 14 15 16 15 14 11 40 m.p.h. G.S. 71 74 78 84 93 CtoC Deg. + 5 11 15 18 21 50 m.p.h. G.S. 61 64 69 C-toC Deg. + 7 13 19 76 | 23 i 87 102 22 | 98 113 125 135 8 143 4 j 148 0 150 - 4 i 148 8 143 11 14 15 16 15 14 11 135 125 113 21 111 18 126 15 | 139 11 26 27 26 23 '•• 19 150 ! 13 5 157 0 - 5 160 157 11 150 15 i 139 18 21 126 111 102 22 98 93 84 78 8 | 74 4 0 71 70 7 0 ^1 13 \ 19 23 i 26 J 27 * 21 87 j 26 18 IS 11 5 0 76 23 69 64 61 60 19 13 7 0 wind direction, 140 deg. ; wind speed, 40 m.p.h. ; " Wind Deviation " = 140 deg. + 360 deg. - 245 deg. = 255 deg. From the table relating to air speeds of 100 m.p.h., opposite 255 deg. and under 40 m.p.h., is found ground speed (G.S.) 102 m.p.h. and C. to C. (Correction to Course) minus 24 deg. The course to steer is, there- Wind Speed. Wind Devia tion. Deg. 15 30 45 60 75 90 105 120 135 150 165 180 195 210 22 5 240 | 95 S ! 270 285 300 315 330 345 360 10 m G.S. Ill 111 113 115 117 119 122 125 127 128 129 130 129 128 127 125 122 119 117 115 113 111 111 110 .p.h. CtoC Deg. + 1 3 4 4 5 5 5 4 4 3 1 0 - 1 3 4 4 5 5 5 4 4 3 1 0 AIR SPEED 120 M.P.H. 20 m.p.h. G.S. 101 103 105 109 115 118 123 129 133 137 139 140 139 137 133 129 123 118 115 109 105 103 101 100 CtoC Deg. + 3 5 7 8 9 10 9 8 7 5 3 o - 3 5 7 8 9 10 9 8 7 5 3 0 30 m.p.h. G.S. 91 94 98 102 109 117 124 132 140 145 149 150 149 145 140 132 124 117 109 102 98 94 91 90 CtoC Deg. + 4 8 10 12 14 15 14 12 10 8 4 0 - 4 8 10 12 14 15 14 12 10 8 4 0 40 m.p.h. G.S. 82 84 89 95 103 113 123 135 145 153 158 160 158 153 145 135 123 113 103 95 89 84 81 80 CtoC Deg. + 5 10 14 17 19 20 19 17 14 10 5 0 - 5 ID 14 17 19 20 19 17 14 10 * 0 50 m.p.h. G.S. 72 75 80 87 97 109 122 137 150 161 168 170 168 161 150 137 122 109 97 87 80 75 72 70 CtoC Deg. + 6 J 12 17 21 24 25 24 21 17 12 6 ! 0 - 6 12 17 21 24 25 24 21 17 12 6 0 fore, 245 deg. — 24 deg. = 221 deg. (plus the magnetic variation of the district in which the flight is being made). We could have wished that Mr. Berry had used as a basis for his tables magnetic instead of true bearings, but the necessary correction is not, of course, a difficult one to make. o • <3> <3> AN OLD SPANISH CUSTOM FROM THE AIR: A fine aerial view of the Madrid Bull Ring and adjacent football ground taken from a three-engined Ford monoplane supplied to the Spanish Govern ment. The car park is clearly visible in the foreground and the propeller and nose of the plane can be seen on the right. 71 B 2
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