Helicopter Rotor Height at Jack Huffman blog

Helicopter Rotor Height. During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground. To reduce vibration, all helicopters have rotor adjustments for height and weight. For a helicopter to experience ground effect, it typically needs to be no higher off the ground than one half of its main rotor system diameter. During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground. A tail rotor twice as far aft can counter twice as much torque. A maladjusted helicopter can easily vibrate so much that it will shake itself apart. Examples include minimizing cost, maximizing performance, and keeping vibration and noise below. Main rotor design balances many contradictory goals and constraints. Increasing helicopter length gets the tail rotor further aft which makes it more efficient at countering main rotor torque.

During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground. To reduce vibration, all helicopters have rotor adjustments for height and weight. A maladjusted helicopter can easily vibrate so much that it will shake itself apart. For a helicopter to experience ground effect, it typically needs to be no higher off the ground than one half of its main rotor system diameter. Examples include minimizing cost, maximizing performance, and keeping vibration and noise below. Main rotor design balances many contradictory goals and constraints. During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground. A tail rotor twice as far aft can counter twice as much torque. Increasing helicopter length gets the tail rotor further aft which makes it more efficient at countering main rotor torque.

Helicopters & Vertical Flight Introduction to Aerospace Flight Vehicles

Helicopter Rotor Height During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground. To reduce vibration, all helicopters have rotor adjustments for height and weight. Main rotor design balances many contradictory goals and constraints. For a helicopter to experience ground effect, it typically needs to be no higher off the ground than one half of its main rotor system diameter. Increasing helicopter length gets the tail rotor further aft which makes it more efficient at countering main rotor torque. A maladjusted helicopter can easily vibrate so much that it will shake itself apart. Examples include minimizing cost, maximizing performance, and keeping vibration and noise below. A tail rotor twice as far aft can counter twice as much torque. During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground. During hovering flight, a helicopter maintains a constant position over a selected point, usually a few feet above the ground.