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Even though we’ve never ridden it, we know it from action movies. image of a helicopter with spinning wings on the runway, has come to our minds. Have
Even though we’ve never ridden it, we know it from action movies. image of a helicopter with spinning wings on the runway, has come to our minds. Have you ever thought about how it can stay in the air like that?
The answer to this confusing question lies hidden in physics! After examining the helicopter wings we call “rotor wings” How helicopters can stay on the ground with wings that rotate at the same speed as in the air Let’s find out.
Helicopter wings, or rotor blades, are long, narrow wings that revolve around a central pylon. These wings; of the helicopter Hover, maneuver and fly in the air It creates the driving force.
Rotor blades work similarly to airplane wings, but do not move horizontally through the air to create buoyancy They rotate vertically. This lift is produced due to the resulting pressure difference between the top and bottom of the wings as they move through the air. The rotor blades are connected to the rotor hub or pole, which is connected to the main motor shaft, allowing them to rotate as one unit.
helicopters, can stay on the ground while spinning its wings at the same speed as when it took off because the lift force created by the rotor blades is balanced by the weight of the helicopter.
When the wings rotate at a constant speed on the ground equal to the weight of the helicopter they produce a lift force, but the helicopter remains stationary. The driving force is braked by gravity pulling it downwards.
When the pilot pulls the control stick, the angle of the rotor blades changes, increasing the lift produced by the blades. Increasing buoyancy, exceed the weight of the helicopter This allows the helicopter to overcome gravity and take off from the ground.
In short, the lift force produced by the wings is: is compensated by the weight of the helicopter It can stay on the ground by rotating its wings at a constant speed. It is the pitch angle of the wings that allows the helicopter to control its ascent and descent.
The same goes for many propeller planes. The rotational speed of the propeller is constant, but the angle of the blades changes. How much thrust will the engine produce? it is set this way and the thrust is allowed to be reversed when necessary, such as during descent.
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Source: Web Tekno
Alice Smith is a seasoned journalist and writer for Div Bracket. She has a keen sense of what’s important and is always on top of the latest trends. Alice provides in-depth coverage of the most talked-about news stories, delivering insightful and thought-provoking articles that keep her readers informed and engaged.
