Community Digest

Top new questions this week:

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, ...

propellers toy-grade-drone repairs  
user avatar asked by localhost Score of 1
user avatar answered by Robin Bennett Score of 1

Greatest hits from previous weeks:

Flying a UAV with a banner?

I want to attach a banner to a UAV like this: I have two questions: Firstly, is it even possible to fly a UAV like this with the banner visible? What sort of design considerations would I have to ...

hardware design  
user avatar asked by Krish Score of 16
user avatar answered by Kralc Score of 11

How to build a buddy box cable for FlySky FS-i6X RC transmitters?

I have a couple of FlySky FS-i6X RC transmitters that I'd like to use to teach my brother how to fly. I've seen other people use "buddy box" cables that connect two transmitters and allow one person ...

hardware buddy-box flysky fs-i6x  
user avatar asked by ifconfig Score of 7
user avatar answered by ifconfig Score of 6

Cannot configure ESC: BLHeli-Configuator connects but with blank screen

ESC: GEPRC STABLE PRO F7 ESC BL32 2-6S 4in1 Specs:35A BLheli_32 ESC Steps to connect to BLHeli-Configurator: Connect to flight control (GEPRC STABLE PRO F7 35A) via mini usb Connect Lipo Battery to ...

user avatar asked by DroneDome Score of 5
user avatar answered by Hannes Hultergård Score of 5

Mini 3 Pro Legal in Mexico?

I'm getting confusing information regarding taking my DJI Mini 3 Pro drone to Mexico. Can anyone clarify if non citizens can fly sub 249g drones without red tape?

regulations dji-mavic-mini  
user avatar asked by mxmissile Score of 2
user avatar answered by Nataniel Score of 1

Why do multirotors usually have four propellors?

I've observed that hover-capable drones almost always have four propellers. There are helicopters of course, which have two, but in general, the vast majority of UAVs seem to go with four propellers. ...

multirotor design  
user avatar asked by anonymous2 Score of 20
user avatar answered by Kenn Sebesta Score of 27

Is it better to have a bottom heavy quadcopter or a top heavy quadcopter when it comes to a quadcopter stability?

Does it matter where the battery is mounted? Or is it best to have the centre of gravity aligned with the propeller plane where the thrust is generated?

multirotor batteries design drone-frame  
user avatar asked by Diamondx Score of 13
user avatar answered by Kenn Sebesta Score of 11

Can a receiver get damaged if you power it up without an antenna?

My r-xsr receiver short circuited after a crash recently. When investigating the reason, I found two things; The filtering capacitor had come loose, as well as one of the antennae on the r-xsr. Since ...

troubleshooting receiver electronics  
user avatar asked by Hannes Hultergård Score of 7
user avatar answered by Kralc Score of 10
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