How Helicopter Rotors Work
Helicopters are really cool flying machines, and their rotors (the big blades on top) help them go up and down in the sky!
What Makes the Rotors Turn
The rotors of a helicopter turn because of a special machine called the engine. The engine gives power to the rotors, making them spin really fast.
How Do We Turn the Rotors On and Off?
1. Starting the Rotors: When the pilot wants to fly, they use something called a switch. The switch is like a light switch at home. When they turn it on, it gives energy to the engine, which starts to turn the rotors.
2. Flying: While flying, the pilot can control how fast the rotors turn using a special control called the collective pitch control. This helps the helicopter go up or down.
3. Stopping the Rotors: When the pilot wants to land, they slowly decrease the power to the engine using controls again, which makes the rotors slow down and eventually stop when they safely land.
Why is it Important?
By controlling the rotors, pilots can fly the helicopter high up in the sky or lower it down gently, all while staying safe!