Intro to Helicopter Components Quiz
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Intro to Helicopter Components Quiz

Created by
@FluentLynx

Questions and Answers

Which component of a helicopter is responsible for transmitting power from the engine to the main rotor?

Transmission

What is the purpose of the antitorque system in a helicopter?

To prevent the helicopter from turning due to torque

What are the three classifications of a rotor system in a helicopter?

Fully articulated, semirigid, rigid

Which flight control is responsible for controlling the pitch of the main rotor blades?

<p>Cyclic pitch control</p> Signup and view all the answers

Which engine type is commonly used in medium to heavy lift helicopters?

<p>Gas turbine engine</p> Signup and view all the answers

What are the four basic flight controls used when flying a helicopter?

<p>Cyclic pitch control, collective pitch control, throttle, antitorque pedals</p> Signup and view all the answers

Which type of rotor system allows for two different movements, flapping and feathering?

<p>Semirigid rotor system</p> Signup and view all the answers

Which type of rotor system is mechanically simple, but structurally complex because operating loads must be absorbed in bending rather than through hinges?

<p>Rigid rotor system</p> Signup and view all the answers

What is the purpose of the antitorque rotor or tail rotor in a helicopter?

<p>To overcome torque and prevent the helicopter from turning in the opposite direction of the main rotor</p> Signup and view all the answers

What is the NOTAR® system in a helicopter?

<p>A system that uses low-pressure air to provide antitorque and directional control</p> Signup and view all the answers

True or false: The gas turbine engine is used in most light lift helicopters.

<p>False</p> Signup and view all the answers

True or false: The throttle control is located on the end of the cyclic pitch control.

<p>False</p> Signup and view all the answers

True or false: The collective pitch control controls the pitch of the tail rotor.

<p>False</p> Signup and view all the answers

Another engine type used in most medium to heavy lift helicopters due to its large horsepower output is the gas ______.

<p>turbine</p> Signup and view all the answers

The throttle, which is usually a twist grip control located on the end of the collective lever, controls the ______ of the main rotor blades.

<p>pitch</p> Signup and view all the answers

The gas turbine engine drives the main ______, which then transfers power directly to the main rotor system, as well as the tail rotor.

<p>transmission</p> Signup and view all the answers

Study Notes

Helicopter Power Transmission

  • The transmission system connects the engine to the main rotor, enabling power transfer necessary for flight.

Antitorque System Purpose

  • The antitorque system, commonly the tail rotor, counteracts the torque effect produced by the main rotor, stabilizing the helicopter's yaw movement.

Rotor System Classifications

  • Three primary classifications of rotor systems:
    • Conventional: Single main rotor with a tail rotor.
    • Tandem: Two main rotors in tandem configuration.
    • Intermeshing: Two main rotors that intersect, eliminating the need for a tail rotor.

Pitch Control

  • The collective control manages the pitch angle of the main rotor blades, allowing for altitude adjustments.

Engine Types for Heavy Lift Helicopters

  • Turboshaft engines are frequently utilized in medium to heavy lift helicopters due to their efficiency and power.

Basic Flight Controls

  • Four essential flight controls for helicopter operation include:
    • Cyclic Pitch Control: Affects rotor blade pitch to change direction.
    • Collective Pitch Control: Adjusts overall rotor blade pitch for altitude changes.
    • Antitorque Pedals: Control the tail rotor's pitch for yaw movements.
    • Throttle Control: Regulates engine power output.

Rotor System Movements

  • The semi-rigid rotor system allows for both flapping and feathering movements, enhancing performance and control.

Structural Complexity

  • The fully articulated rotor system, while mechanically straightforward, is structurally complex as it absorbs loads through bending rather than hinges.

Antitorque Rotor Purpose

  • The tail rotor (antitorque rotor) generates thrust in the opposite direction of the main rotor's torque, maintaining helicopter stability and control.

NOTAR® System

  • The NOTAR® (No Tail Rotor) system uses a fan-driven technology to produce thrust, eliminating the need for a tail rotor and improving safety and efficiency.

Engine Types (True/False)

  • True: Gas turbine engines are prevalent in most light lift helicopters.
  • False: The throttle control is typically found on the collective lever, not at the end of the cyclic pitch control.
  • False: The collective pitch control does not manage the tail rotor's pitch; it solely adjusts the main rotor's pitch.

Gas Engine Type

  • The gas turbine engine is another type commonly found in medium to heavy lift helicopters, known for its high horsepower output.

Throttle Control Location

  • The throttle control, usually in the form of a twist grip on the collective lever, adjusts the power of the main rotor blades.

Main Rotor System Connection

  • The gas turbine engine drives the main transmission, which subsequently transfers power to both the main rotor system and the tail rotor.

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Description

Test your knowledge on helicopters and their components with this introductory quiz. Learn about the different parts of a helicopter and how they work together to keep it flying. Perfect for aviation enthusiasts and those interested in learning more about these fascinating aircraft.

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