Phase 1 Block 14 Flashcards
Fundamentals of Flight
`How many types of motion are there in relation to flight
There are 3 types of motion pertaining to flight
What are the types of motion pertaining to flight?
- Acceleration
- Speed
- Velocity
What is Acceleration?
Acceleration is the rate of change of speed and or velocity of matter with time
What is speed?
The rate of movement in terms of distance measured in an alloted amount of time
What is velocity?
The quickness or speed of an object in a given time and direction
How many laws of motion are there?
There are 3 laws of motion
What is Newton’s First Law?
Newton’s First Law states that an object will remain at rest, or an object in motion will stay in motion at same speed and in same direction, until acted upon by an outside force
What is Newton’s Second Law?
Newton’s Second Law states if an object moving with uniform speed is acted upon by an external force, the change of motion, or acceleration, will be directly proportional to the amount of force and inversely proportional to the mass of the object being moved
What is Newton’s Third Law?
Newton’s Third Law states that for every action there is an equal and opposite reaction
What is Lift?
Lift is the force that acts in an upward direction to support the aircraft in the air, it counteracts the effects of weight Lift must be greater than or equal to weight if flight is to be sustained
What is weight?
Weight is the force of gravity acting downward on the aircraft and everything on the aircraft
What is drag?
Drag is the force that tends to hold an aircraft back. Drag is caused by disruption of air about the wings, fuselage, or body Drag resists motion
What is Thrust?
Thrust is the force developed by the aircraft’s engine and they act of the forward direction Thrust must be greater than or equal to the effects of drag in order for flight to begin or be sustained
What is the Longitudinal Axis of Aircraft?
The Longitudinal Axis or (Roll) is an imaginary reference line running down the center of an aircraft between the nose and tail
What is the Lateral Axis of an aircraft?
The Lateral Axis or (Pitch) is an imaginary reference line running parallel to the wings
What is the Vertical Axis of an aircraft?
The Vertical Axis or (YAW) is an imaginary reference line running from the top to the bottom of an aircraft
What controls the Roll or Longitudinal Axis?
Ailerons control the Roll
What controls the Pitch or Lateral Axis?
The Elevators control the Pitch
What controls the Yaw or Vertical Axis?
The Rudder controls the YAW
What is the cyclic stick?
Roll/Pitch Tilts the plane (angle) of the rotor blades forward, aft, or sideways giving the helicopter its directional motion by changing the direction of the lift, from vertical to a varying degree based on a 0 degree centerline
What is the Tail Rotor?
YAW component counteracts torque of the main rotor by increasing or decreasing the amount of horizontal thrust the tail rotor produces, this movement is around the vertical axis
What are some non axis affecting flight controls?
- Flap
- Spoiler
- Speed Brakes
- Slats
What is a Flap?
A Flap or (leading/Trailing edge) Creates extra lift by lengthening the top section of the wing resulting in maximum lift It also reduces takeoff runs and landing rollout
What is a Spoiler?
A spoiler is used to decrease or spoil wing lift by destroying the smooth flow of air over wing surfaces, creates a more predictable landing glidescope
