Questions tagged [propellers]
A mechanical device for propelling a drone or aircraft, consisting of a shaft with two or more angled blades attached to it.
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DC motor specs for a 800 gram drone
I new to drone building, and I've been looking for motors for my 800g (liberal estimate) drone. Everything I've found when it comes to brushless motors has been too low on torque to support propellers ...
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Quadcopter configuration with front motors inverted & the rear motors upright
Hello UAV enthusiasts and experts,
I am currently working on a quadcopter drone project where we are exploring a unique motor configuration. Specifically, we are considering a hybrid setup where the ...
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RC Plane can fly or not?
I'm making a RC Airplane using Sunboard and Cardboard. The wing is about 80cm long, with a wing profile looking like
I also connected a A2212 1000kv Brushless motor with a 10x4.5 Inch Propeller with ...
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what are the typical speed variations of the propellers of large drone
On a large drone like the DJI Agras t40, when in hovering mode, what are the typical speed ranges of the motors?
How much does it vary when taking off?
If someone can explain how to know the answer, ...
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I am confused on how to measure thrust for a propeller and would like some help
For my science project, I am measuring the power and efficiency of different propellers. I was researching thrust stands and that seems to be the best way to measure thrust. I already have a brushless ...
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Drone back propellers not lifting it up
This is a second toy drone I got my son because I do not want to spend fortune on a DJI drone if controlling in an issue. It was fine but lately it hasn’t been lifting up. As you can see from picture, ...
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Nano drone propeller keep flying off
I got my son a drone for his birthday but less than 24 hours and one of its propellers got lost 3 times and because it’s a nano drone. It is hard to find. I was hoping to find a solution here. ...
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How Carbon-Nylon propellers compare to other materials
Carbon fiber propellers consensus seems: more precision but lower flight time compared to common plastic propellers.
But... what about Carbon-Nylon composite propellers that are basically made in ...
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Is there 3D printed PLA propellers efficiency comparison?
I have seen many tests about the resistance of PLA 3D printed propellers, and they are very strong and able to withstand a considerable high RPM level, not really a surprise considering that the weak ...
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Is 1 large propeller more efficient than 2 smaller propellers (if both cover the same area)?
Is there a reason in efficiency to prefer 1 large propeller over 2 smaller propellers, when both cover the same area?
With same area, I mean i.e.
$ r_{small} = 1 $
$ A_{small} = \pi * r^2 = \pi * 1^2 =...
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How to connect my propellers to my drive shaft? and collet gripping force?
Okay so just to explain my problem. I have a central shaft that has two belt drives connected to it. Each belt goes to a propeller on either side of the drone. I need to connect the shaft that is ...
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Designing a simple RC aircraft propeller - where do I even get started?
Recently I was wondering how hard would it be to design a RC aircraft propeller. I have some basic idea about aerodynamics, but I'm an electrical engineer and computer scientist by trade. What I found ...
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A2212 1000kv Brushless motor keep beeping and twitching
I have bought an A2212 1000Kv brushless motor and a 30A ESC. I power this setup with a 7.4v 2s 30c 800mah LiPo battery. For the signal, I am using a DIY Arduino receiver and transmitter. When I test ...
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Why wont my 1000kv brushless motor work with a 10x4.5 propeller?
When I run my A2212/13T 1000Kv brushless motor by itself with 11.1 or 7.4 volts(i am using 2 lipo 3.7volts 900mah and a li-ion 3.7v 900mah in series that I connected with alligator clips) it runs fine....
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Error in the explanation of Ingenuity: The Mars Helicopter by NASA members?
I was watching this video by Veritasium on Youtube, where he talks with NASA engineers about the Mars helicopter. At the attached timestamp they talk about how a completely overlapping rotor ...