By tilting the main rotor forward or backward.
You measure forward air speed in the same way you do in any aircraft.
In jets, speed boats, rockets, some helicopters
In jets, speed boats, rockets, some helicopters
It differs with every machine. Large military helicopters generally have longest range and near highest speeds.
Very fast, they can reach top speed in a few minutes
By tilting the main rotor and changing the speed of the tail propeller.
Bell have made many helicopters, we need a name or model #
Some are, yes, but not all of them. Military attack helicopters tend to be the fastest. The average speed of a formula 1 car is 230 MPH. The average speed of an Apache attack helicopter is 365 MPH.
Helicopters have improved and changed since they were first made. Many people and companies still work daily on improvements.
Most helicopters fly at about 170 knots, but some are faster.
They are complex and take much maintenance compared to winged aircraft. They have limited speed.
They can see where the criminals go