Beneath the tail is a rudder for directing the course of the machine to the right or to the left; and to facilitate the steering a sail is stretched between two masts which rise from the car.
She frequently occurs on coins of the empire, standing between a modius (corn-measure) and the prow of a galley, with ears of corn in one hand and a cornucopia in the other; sometimes she holds a rudder or an anchor.
The aeroplane (a a) and d, Frame supporting aeroplane, turning the screw (c c) the rudder and screw.
Minos, disgusted at Scylla's treachery, tied her to the rudder of his ship, and afterwards cast her body ashore on the promontory called after her Scyllaeum; or she threw herself into the sea and swam after Minos, constantly pursued by her father, until at last she was changed into a ciris (a bird or a fish).
About 3 metres in front of them was arranged a pair of smaller horizontal j aeroplanes, shaped like a long narrow ellipse, which formed the rudder that effected changes of elevation, the driver being able by means of a lever to incline them up or down according as he desired to ascend or descend.
Some one usually sits in the stern and manages the rudder while I row.
These investigators began their work in 1900, and at an early stage introduced two characteristic features - a horizontal rudder in front for steering in the vertical plane, and the flexing or bending of the ends of the main supporting aeroplanes as a means of maintaining the structure in proper balance.
About a year later Henry Farman made several short flights on a machine of the biplane type, consisting of two main supporting surfaces one above the other, with a box-shaped vertical rudder behind and two small balancing aeroplanes in front.