The reduction of oscillation or vibration by the resistance of the stabilizing surfaces.
The weight of the structure, power plant, and essential accessories.
The wake directly in the rear of a moving body or surface.
See CHASER.
The difference in the angle of incidence between the upper and lower wings of a biplane.
A small monoplane type developed by Santos Dumont.
The specific weight, or the weight per cubic foot.
Dihedral angle.
Fin.
When the tips of the wing are higher than at the center, the two wing halves form an angle. The included angle between the two halves, taken above the surface, is known as the "Dihedral angle."