The differences between helicopters and gyrocopters are primarily based on their design, flight mechanics, and operational characteristics. Here’s a concise comparison: 1. Rotor System Helicopter : Uses powered rotors. The rotor blades are driven by an engine, allowing for vertical takeoff, hover, and maneuverability. Gyrocopter : Utilizes a free-spinning rotor system. The rotor rotates due to airflow (autorotation) as the gyrocopter moves forward, with a separate engine powering the propeller for thrust. 2. Flight Mechanics Helicopter : Can hover in place, perform vertical takeoffs and landings, and maneuver in any direction by changing the rotor pitch. Gyrocopter : Cannot hover; it requires forward motion to generate lift. It is limited to a more fixed flight path and relies on forward speed for stability. 3. Control Mechanisms Helicopter : Uses cyclic and collective controls to manage lift and direction. The pilot can adjust rotor blade pitch for precise control. Gyrocopter : ...