To minimize the danger of pitching forward and thus gain fore and aft stability, the horizontal rudder, rigged either in front or behind the machine, is the most effective method which has up to ...

A combined lozenge-shaped horizontal and vertical rudder is mounted, by means of a universal joint, upon the end of a 20-foot bamboo pole that projects behind, while a small horizontal rudder is ...

The plane is somewhat curved from its front to its rear edge. At the rear of the body is a flat plane used as a horizontal rudder, while the motor and propeller are placed at the front of the main ...