Control surface may refer to:
- Audio control surface
- Flight control surfaces
- Diving plane, a control surface in submarines
- Control surface (fluid dynamics), a surface – enclosing a control volume – through which a fluid flow occurs, causing a possible rate of change of the mean value for the fluid properties (as contained within that control volume)
Famous quotes containing the words control and/or surface:
“The glance is natural magic. The mysterious communication established across a house between two entire strangers, moves all the springs of wonder. The communication by the glance is in the greatest part not subject to the control of the will. It is the bodily symbol of identity with nature. We look into the eyes to know if this other form is another self, and the eyes will not lie, but make a faithful confession what inhabitant is there.”
—Ralph Waldo Emerson (1803–1882)
“See how peaceful it is here. The sea is everything. An immense reservoir of nature where I roam at will.... Think of it. On the surface there is hunger and fear. Men still exercise unjust laws. They fight, tear one another to pieces. A mere few feet beneath the waves their reign ceases, their evil drowns. Here on the ocean floor is the only independence. Here I am free.”
—Earl Felton, and Richard Fleischer. Captain Nemo (James Mason)