Community Digest

Greatest hits from previous weeks:

How to revive an over-discharged DJI Mavic battery?

I left my drone on until the battery shutdown. The Mavic battery bottom meter light flashes 16 times when checking charge. When i place the battery on DJI chargers it will not charge and also ...

batteries dji-mavic-pro-1  
user avatar asked by cliffclof Score of 9
user avatar answered by cliffclof Score of 8

Why are quadcopters inherently unstable?

I have heard it mentioned that quadcopters are inherently unstable and only become stable due to control. What does inherently unstable mean in this context, and why are quadcopters inherently ...

quadcopters performance stability  
user avatar asked by Jacob B Score of 18
user avatar answered by Robin Bennett Score of 23

Ftd driver for 3dr telemetry radio

I have been attempting to connect my pixhawk 4 to qgroundcontrol using an old 3DR telemetry radio set. The connection works fine over usb, but qgroundcontrol shows disconnected when I plug in both ...

radio-frequency telemetry  
user avatar asked by figbar Score of 4
user avatar answered by Kralc Score of 3

Why do drone propellers have blades with thin chords?

Almost all propellers used for drones have very thin chord length compared to the propellers used for things like table fans or boats which seem to have blades with much longer chord length. What is ...

multirotor propellers comparison  
user avatar asked by Jacob B Score of 13
user avatar answered by Kenn Sebesta Score of 12

What are the specs of the DJI Mavic 2 Pro motors?

Does anyone know the specifications of the motors on the DJI Mavic 2 Pro? I'm asking about things like stator size, KV, etc.

brushless-motors dji-mavic-2  
user avatar asked by Jacob B Score of 3
user avatar answered by Kralc Score of 4

What does BEC, SBEC, UBEC, and OPTO mean for brushless motor ESCs?

I'm looking to purchase an ESC to go with a brushless motor. Many of the product pages include terms related to a BEC, such as SBEC, UBEC, and Opto. What do those acronyms mean and how should I ...

brushless-motors esc  
user avatar asked by Daniel Ballinger Score of 12
user avatar answered by FlashCactus Score of 8

DJI Mini 2 Mapping Capabilities

I planned to buy my first drone to ease my work. Recently, I found the DJI Mini 2, which I can afford to buy. I've already done some research about drone mapping. Based on my findings on the internet, ...

dji dji-mini-2  
user avatar asked by mrm9719 Score of 7
user avatar answered by Luke Score of 4
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