Helicopters take off with their nose pointed down as a way to gain lift and propel themselves off the ground. Here's a ...

Combined with the complex system of controls on a helicopter, factors like wind and ground effect make hovering one of the ...

For helicopters that use two control sticks, each one has a distinct function. Starting with the collective stick, it adjusts and regulates the collective pitch of the main rotor blades, which ...

While Emile and Henry struggled with their designs, the Spaniard, Raul Pateras Pescara demonstrated a helicopter with effective cyclic and collective pitch controls. However, his under-powered machine ...

Approaches to helicopter UAV control often use the main and tail rotor thrusts, and the main rotor flapping angles as inputs. However, servomotors control the helicopter's four physical inputs which ...