Can You Calculate Lift Force for a RC Quad Rotor Helicopter?

[ukesh]

Hello!
I'm planning to start a project to design a RC controlled quad rotor helicopter. If it works out well I have an idea of making it autonomous. So first thing is that I want to know how to calculate the lift force from a single motor ?

 

[Cyrus]

Motors don't generate lift, rotors do.

It's easier said than done, so I would suggest you do this experimentally and/or using performance data from RC manufacturer websites.

 

[ukesh]

Motors don't generate lift, rotors do.

It's easier said than done, so I would suggest you do this experimentally and/or using performance data from RC manufacturer websites.

Thanks for correcting me
What is the experimental procedure? Or can u point me to websites containing this data? I tried searching but I ended up with only RC planes stuff.

 

[mugaliens]

Thanks for correcting me
What is the experimental procedure? Or can u point me to websites containing this data? I tried searching but I ended up with only RC planes stuff.

http://www.aerodyndesign.com/ANALYSIS/ANALYSIS.htm" . Check out the Excel file link after the "Helicopter Performance Analysis" section. :)

 

[alphy]

Hello there!

Calculating the lift force for a RC quad rotor helicopter is certainly possible, but it can be a complex process as there are many variables that can affect the lift force. Some of these variables include the size and shape of the rotor blades, the speed and angle of the rotors, and the air density.

To calculate the lift force, you will need to use the basic principles of aerodynamics and Newton's laws of motion. This will involve determining the amount of air being moved by the rotors and the force exerted on the air by the rotors. This force is then countered by the weight of the helicopter, resulting in the lift force.

One way to calculate the lift force is to use the Bernoulli's principle, which states that as the speed of a fluid (in this case, air) increases, the pressure decreases. This means that the faster the rotors spin, the lower the air pressure above the blades, resulting in a difference in pressure between the top and bottom of the blades. This pressure difference creates lift.

Another approach is to use the blade element theory, which takes into account the shape and angle of each individual rotor blade. This theory breaks down the blade into smaller sections and calculates the lift force for each section, which is then summed up to determine the total lift force.

There are also various online calculators and software programs available that can help you calculate the lift force for your specific RC quad rotor helicopter design. However, keep in mind that these calculations are only estimates and may vary in real-world conditions.

In addition to calculating the lift force, it is also important to consider other factors such as weight distribution, center of gravity, and stability in order to design a successful RC quad rotor helicopter.

I wish you the best of luck with your project and hope that this information helps you in your design process. Happy flying!