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:
“There has been something crude and heartless and unfeeling in our haste to succeed and be great. Our thought has been “Let every man look out for himself, let every generation look out for itself,” while we reared giant machinery which made it impossible that any but those who stood at the levers of control should have any chance to look out for themselves.”
—Woodrow Wilson (1856–1924)
“White Pond and Walden are great crystals on the surface of the earth, Lakes of Light.... They are too pure to have a market value; they contain no muck. How much more beautiful than our lives, how much more transparent than our characters are they! We never learned meanness of them.”
—Henry David Thoreau (1817–1862)