Decoding Helicopter Movement: The Equation Behind Vertical Flight

In summary, the conversation is about the equation that determines the vertical movement of a helicopter, specifically the lift equation for its rotor blade. The speed of the blade is dependent on its radius and revolutions per minute (rpm), and the lift can be calculated using this equation provided by NASA.
  • #1
Moses
68
0
Well, I know this Q might look cheesy or silly...but:
What is the major equation which decides if X disc with Y raduis with Z angular acceleration will carry M mass and "fly" with it...I am just concern about vertical movements...not the horizantal...Basically its about a hgelicopter moving in one dimension "up"

Cheerz
 
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  • #2
I'm not sure about your wording there, but a helicopter rotor blade is just a wing. The speed of the blade at any point depends on its radius and rpm, then with that, you can calculate the lift.
 
  • #3
Can you give me the equation of the left please?

Thx for help.
 

1. What is the equation for vertical flight in a helicopter?

The equation for vertical flight in a helicopter is known as the lift equation, which is Lift = (1/2) x Air density x Velocity^2 x Blade area x Lift coefficient.

2. How does the lift equation work?

The lift equation takes into consideration factors such as air density, velocity, blade area, and lift coefficient to calculate the amount of lift generated by the helicopter's rotor blades. Essentially, the faster the blades spin and the larger the blade area, the more lift is created to keep the helicopter in the air.

3. What is the role of air density in helicopter flight?

Air density plays a crucial role in helicopter flight because it affects the amount of air that passes through the rotor blades. Higher air density means more air passing through the blades, resulting in greater lift. This is why helicopters struggle to fly at high altitudes where air density is lower.

4. What is the significance of the lift coefficient in the lift equation?

The lift coefficient is a dimensionless quantity that represents the efficiency of the rotor blades in generating lift. It takes into account factors such as blade shape, angle of attack, and airfoil design. A higher lift coefficient means the blades are more efficient at generating lift, resulting in a better performing helicopter.

5. How is the lift equation used in helicopter design and engineering?

The lift equation is a fundamental tool used in helicopter design and engineering. It allows engineers to calculate the amount of lift needed to keep a helicopter airborne and to design rotor blades that can generate that lift efficiently. It is also used in the testing and evaluation of new helicopter designs to ensure they meet performance requirements.

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