What happens to the taxi speed when collective pitch is increased?

Increasing the collective pitch of the rotor blades in a helicopter modifies the amount of lift generated by the rotor system. When the collective pitch is increased, the rotor blades have a higher angle of attack, which creates more lift. Consequently, this allows the helicopter to rise or maintain altitude more efficiently.

As a result, when collective pitch is increased during taxiing, the helicopter may produce more lift while still maintaining forward speed. In a helicopter, taxiing typically involves a controlled forward motion where the balance between lift and thrust plays a crucial role. Thus, if collective pitch is increased appropriately, it can lead to an increase in taxi speed as more power is directed towards forward motion rather than just maintaining altitude.

This insight into helicopter aerodynamics reveals how changes in collective pitch directly impact movement and performance during taxiing.