AERODYNAMICS
We have added our own dynamics outside of the original sims physics engine to create a unique experience, from subtle hover charecteristics to inflow roll and more.
All this realism isn't easy to master for a novice pilot so we have introduced several modes including auto-start and tutorial mode. The helicopter can speed through the start up and shut down sequences on its own or the pilot can follow on-screen prompts through the start up/shut down sequences as the helicopter highlights each function on the 2D panels as they are required.
More authentic handling: The helicopter exhibits a pendulum tendency at low airspeeds due to the interaction of the fuselage and rotor system and a slight instability in the hover means that the pilot must constantly work with the controls to hold a steady position.
Torque-Induced Yaw:
The pilot must counter the tendency of the transmission to turn the aircraft in opposition to the rotors at low airspeeds using the anti-torque, (rudder), pedals.
Transverse Flow Effect:
The pilot must counter the tendency of the helicopter to pitch up and to the right as it accelerates from the hover into forward, (or any directional), flight.
Flap Back: :
the pilot must counter the tendency of the nose to try and pitch up as forward airspeed increases.
Translating Tendency:
The pilot needs to oppose the helicopter’s tendency to try and slide right in the hover with a left cyclic input.
Dissymmetry of Lift::
The pilot must counter the greater lift generated by the advancing blade in forward flight with right cyclic, (stick), control.
Induced Flow Rotor RPM modulation:
The pilot must use collective pitch and helicopter attitude to manage the rotor RPM, which can rise or fall depending on the angle and strength of the airflow through it.
Rotor Droop:
The pilot must make smooth and careful collective pitch changes to avoid overloading the engine output and loosing rotor RPM.
Vortex Ring State:
The pilot must ensure that descents are performed that do not allow the helicopter to recycle its own down-wash and accelerate its descent uncontrollably.
Loss of Tail Rotor Effectiveness:
The pilot must manage low speed turns carefully in windy conditions where the vortices from the main rotor or wind strength alone can reduce the ability of the tail rotor to maintain the heading or perform a turn. Extra care is needed to prevent violent “weather-vaning” in a strong tail wind.
Retreating Blade Stall:
Exceeding maximum speed, (dependent on gross weight and altitude), will cause the helicopter to pitch and roll as lift is lost from the retreating blade.
Tail wind effect on Horizontal Stabiliser:
tail winds at very low speeds or hover may lift the tail’s horizontal stabiliser, requiring forward cyclic input to compensate.
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