ACF Basic 3

Question 1

rotorcraft definition

Answer 1

rotorcraft is power-driven heavier-than-air aircraft supported in flight by the reaction of air on one or more rotors

Question 2

list different versions of rotorcraft

Answer 2

• helicopter
• autogyro
• gyrodine
• convertiplane

Question 3

list the main components of a rotorcraft

Answer 3

• powerplant
• rotor
• fuselage
• undercarriage
• tail section

Question 4

list anti-torque devices

Answer 4

• tail rotor
• fanestron
• notar
• two main rotors

Question 5

list controls of helicopters

Answer 5

• cyclic
• collective
• rudder pedals

Question 6

what is rigidity

Answer 6

rigidity is the ability of the gyroscope to maintain its axis pointing in a fixed direction in space unless subjected to an external force

Question 7

what are the two special properties of gyroscope?

Answer 7

rigidity and precession

Question 8

list flight instruments

Answer 8

• air speed indicator
• altimeter
• vertical speed indicator
• turn and bank indicator
• artificial horizon
• magnetic compass
• directional gyro indicator