Demo - How do helicopters fly?

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"Let's take a look at these magnificent machines!"

How do

helicopters fly?

Basic Parts of a Helicopter

Tail Boom

Rotor Mast

Rotor Blade

Rudder

Tail Rotor

Transmission, Fuel Intake

Cabin

Landing Skid

Cockpit

Next

Torque from the tail rotor to prevent it from spinning in the opposite direction.

Thrust from the engine to move forward.

Lift from the main rotor blades.

A Helicopter flies by balancing Multiple forces

Cyclic

Pedals

Throttle

Collective

Throttle Control

Anti-Torque Pedals

Cyclic Pitch Controls

Collective Pitch Control

Next

Helicopter flight controls

Back

Forward & Aft

Left/Right

Up/Down

Hover

Finish

Back

Would you like to see how a pilot steers in different directions?

ControllingAircraft Movement

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Moving Forward & Aft

Forward:The pilot, using the cyclic control, tilts the main rotor blades forward. Some main rotor lift (thrust) is directed forward, causing the helo to fly forward or increase forward speed. Backward: The pilot, using the cyclic control, tilts the main rotor blades backward. Some main rotor lift (thrust) is directed rearward, causing the helo to fly rearward or increase rearward speed.

Back

- Pilot keeps the main rotor blades level- Pilot adjusts the collective pitch to maintain a constant altitude - Helicopter remains stationary in the air

Hovering

Back

Up:- Pilot increases the collective pitch - All main rotor blades change angle simultaneously - Increased lift causes the helicopter to ascend Down: - Pilot decreases the collective pitch - All main rotor blades change angle simultaneously - Reduced lift causes the helicopter to descend

Moving Up / Down

Back

Moving Left & Right

-The pilot moves the cyclic in the direction of turn, tilting the main rotor, and causing the helo to turn to a new heading.

Back

Manages engine power. Adjusting it affects rotor speed and overall lift.

Throttle Control

Similar to an airplane control stick, it controls the helo’sdirection of movement by altering the tilt of the main rotor plane.

Cyclic Pitch Control

Used for climbing or descending, it adjusts the pitch angle of the main rotor blades.

Collective Pitch Control

The helo’s engine provides the power (torque) to spin the main rotor, which generates lift.

The Engine

A small rotor, mounted vertically, is designed to counter the unwanted torque imposed by the engine(s).

Tail Rotor

Alters the pitch of the tail rotor blades to counteract main rotor torque (yaw spin).

Anti-Torque (Rudder) Pedals

The spinning action of the main rotor blades creates lift, functioning like the fixed wing of an airplane. The main rotor also imparts thrust and resulting airspeed.

Main Rotor Blades