Trim tab
Videos
Trim tabs are small surfaces connected to the trailing edge of a larger control surface on a boat or aircraft, used to control the trim of the controls, i.e. to counteract hydro- or aerodynamic forces
The trim-tab control of a Cessna 172. Rotating the wheel upwards changes the 'hands-off' elevator position to create a more nose-down attitude, downwards more nose-up.
The black and white marked trim control wheels on the center console on an airliner
Grave of Buckminster Fuller with the quote "Call me Trimtab"
Flight control surfaces
Videos
Flight control surfaces are aerodynamic devices allowing a pilot to adjust and control the aircraft's flight attitude. The primary function of these is to control the aircraft's movement along the thr
Trim tab
…Trim tabs are small surfaces connected to the trailing edge of a larger control surface on a boat or aircraft, used to control the trim of the controls, i.e. to counteract hydro- or aerodynamic forces and stabilise the boat or aircraft in…
KLM Fokker 70, showing position of flap and liftdumper flight controls. The liftdumpers are the lifted cream-coloured panels on the wing upper surface (in this picture there are five on the right wing). The flaps are the large drooped surfaces on the trailing edge of the wing.
Wing trailing edge flight control surfaces of a Boeing 747-8. Top left: All surfaces at neutral position; Top middle: Right aileron is lowered; Top right: spoilers raised during flight; Middle row: Fowler flaps extended (left), extended more (middle), hinged with inboard slotted part hinged even more (right); Bottom row: spoilers raised during landing
Air brakes on the rear fuselage of a Eurowings BAe 146-300
Mass balance protruding from an aileron used to suppress flutter