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4&5 aircraft scienc
| Question | Answer |
|---|---|
| what are the four acting forces on an airplain | lift, drag, Weight, thrust |
| what are the 3 axes that supported in flight by lift and propelled throught the air thrust | longitudinal lateral. Vertical axes |
| what axes that extends length wise throught the fuselage from the nose to tail | longitudinal |
| the asis that pass vertical through the fuselage at the canter of gravity | vertical |
| ailerons control ______ about the longitual axis | roll |
| the elevator controls _________. About the lateral axis | pitch |
| the rudder controls _________ about the vertical axis | yaw |
| The stability of an airplane about the lateral axis | longitudinal |
| the stability of an airplane about the longitudinal or roll axis | lateral |
| the fixed airfoils on an aircraft are | wings horizontal and vertical |
| the tail of the airplane includes the stabilizers,elevators, and rudder is commonly called | empennage |
| the primary control surfaces of an airplane include | ailerons, elevators, rudders |
| secondary control surfaces include | flaps, trim tabs, spoilers, slats |
| the primary flight control surfaces utilized to provide lateral (roll) control of the aircraft | ailerons |
| a vertical surface that is usually hinged to the tailpost aft of the vertical stabilizer | rudder |
| the control surfaces that govern the movement of the aircraft around the lateral axis | elevators |
| a special type of elevater that combines the function of the elevator and the horizontal stabilizer | stabilator |
| Small secondary flight control surfaces set into the trailing edges of the primary control surfaces | trim tabs |
| trim tabs that can be adjusted from the cockpit by means of control wheels, knobs,or cranks | controllable trim tabs |
| tabs that are used primarily on the large main control surfaces that are directly operated by the primary controls of the airplane are | servo or flight tabs |
| any surface, such as an airplane wing,aileron, or rudder, designed to obtain reaction from the air through which it moves | airfoil |
| the ratio of the lift to the drag of any body in flight and is a measure of the effectiveness of an airfoil | lift and drag ratio |
| a measure of total surface of the wing | wing area |
| is a hinged, pivoted, or sliding airfoil, usually near the tailing edge of the wing | wing flap |
| a nozzle-shaped passage through a wing desighed to improve the airflow conditions at high angles of attack and low speeds | slot |
| a movable auxiliary airfoil attached to the leading edge of the wing, which, when closed, falls within the original contour of the wing | Slat |
Created by:
Chris g 23