I believe that would be the Mil-26
The circumference of a helicopter propeller can vary depending on the size and type of helicopter. Generally, the circumference of a helicopter propeller can range from a few feet to several feet in length.
The rotor is like the engine to the propeller. A propeller is the fan like blades on the top that spin to make the helicopter fly.
The tail propeller keeps the helicopter straight.
1957
A flying machine with a rotor an a propeller is a helicopter
Aircraft do have propellers , unless they are jets.
no a helicopter is not a airplane because helicopter lifts but a plane takes off and a helicopters propeller is huger than a planes
It is called a rotor, and it more closely resembles a wing than a propeller blade
the engines make the propeller spin and will make it fly
It is the main rotor of a helicopter that acts to lift and thrust the craft through the air. A link is provided below.
They change the speed and angle of rotor, and speed of tail propeller.
The rotor and rear propeller are turned by the transmission connected to the engine