l angle to the wings, al-though the Antoinettes employed different meth-ods of lateral balance. It has been proven thataeroplanes with great dihedral angles of thewings arc safe in calm weather but wholly im-practical in high winds. This is because theyare naturally too sensitive to side Rusts and… … A head-on disturbance does not create any dan-gerous effect except that the machine may riseor fall, as the case may be; but it is obvious thatfins, dihedral angles and the like are dangerousdevices to tolerate, even in head-on winds, whenturning against these winds may mean a side-slip. To insure…
Aeronautics
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