All Questions

Filter by
Sorted by
Tagged with
0
votes
0answers
6 views

Aileron and elevator axes are swapped on the remote

According to all resources I've found, this is not a remote mode issue - no modes have horizontal elevator and vertical aileron axes. My current setting is Mode 2. Is it safe to swap the cables ...
3
votes
1answer
26 views

Influence of propeller blade shape and tip shape on its behaviour?

Newbie here, still learning how to fly and having to buy new propellers. Of the various properties to be chosen among, there are two that have me a bit baffled: symmetrical vs. undercambered and ...
2
votes
0answers
32 views

Which drone kit is this

Which drone kit is shown here: https://www.youtube.com/watch?v=QJOONKjX9xQ What are your opinions of it? R
3
votes
1answer
49 views

Home made simple drone- need some directions

I made this small foam board frame. I attached 4 motors after taking care that diagonally opposite motors rotate in same direction and adjacent ones in opposite direction. I ensure I wired the ...
3
votes
1answer
28 views

Which Goggles are best alternatives for Digital FPV Systems?

I don't want to buy DJI Goggles, because it's too expensive and I'm a beginner, so I've been searching for the best alternatives, I am planning to buy DJI Air Unit and Radiomaster controller and ...
2
votes
0answers
11 views

Is Gremsy Mio gimbal compatible with DJI matrice 100 UAV?

Is Gremsy Mio gimbal compatible with DJI matrice 100 UAV? Link to gimbal part: https://gremsy.com/mio Link to UAV part: https://www.dji.com/gr/matrice100
1
vote
1answer
41 views

Are all drone motors equal

I am now planning to buy a drone kit - A very light weight toy grade types. Know very little on this subject as of now. Before doing that I have a few questions. Can we assume that if there are four ...
2
votes
1answer
43 views

Why do people say flying FPV is harder than LOS?

I've heard people say that FPV is harder than LOS and I'm curious as to why- it's easier for me to stay oriented when I can see the aircraft's perspective, especially flying acro quads.
2
votes
1answer
23 views

ESC overload protection at stall current?

I am trying to build, for the first time a drone, on a F330 frame, 30a ESC and 1000KV 2212 motors... But I destroyed 2 ESCs in the process. It literally burned up when the drone falled and the ...
2
votes
1answer
19 views

Charge Tello while powered on?

Is it possible to charge the embedded battery in DJI Tello while the drone is powered on, in any state? Eg restart, emergency, landed For example, when I want to keep taking photos (without flying), ...
1
vote
1answer
22 views

Brushless Motor Acting Weird

I recently got a brushless motor upgrade set for my RC car (I have previously asked questions about it), and there seems to be something wrong with it... The steering servo works fine. The brushless ...
2
votes
2answers
32 views

Need tips on getting this to fly properly

Learning the basic concepts. Yet to use a receiver and remote. Using a 3.7 v coreless motor, lipo battery and thermocol for the frame. I figured out how to connect the motors so that diagonally ...
1
vote
1answer
26 views

Will a heavier drone frame help in avoiding toppling. (Not using receiver yet)

I have these coreless motors and propellers. I created two kinds of home made drone frames. I am not currently using any receiver. I arranged the motors so that diagonally opposite ones turn in same ...
3
votes
1answer
27 views

Pros/cons of using a BEC in traditional nitro plane?

I have recently joined a local RC club, and one of the members gifted me one of his older planes. How old? 72MHz, nitro-powered, and with Ni-Cd batteries! Old school but it works. However, I'm ...
2
votes
0answers
30 views

What is the compatible drone frame for

I have four 3.7v coreless motors. The motors have a diameter of 7mm and length of 17 mm, with 45 mm propellers. What is the compatible drone frame kit for this?
1
vote
1answer
20 views

Loose drone propeller mount, flying off at high throttle

I have seen this post here that asked the same question, however, the user forgot to use one component (collar). I have similar components and even when I mount everything correctly, the mount is ...
3
votes
1answer
22 views

Brushless Motor/ESC Voltage Cut-off

I got an ESC and brushless motor set for my RC car. After I finally got it to work, I put my car back together, but then when I turn on the transmitter and then the ESC, the motor emits a "beep&...
3
votes
0answers
20 views

Flyaway inducing oscillation - betaflight defaults

I'm tearing my hair out over this one - hopefully I've missed something simple. I can't tune this quad to be flyable without putting an extremely loose tune on it with agressive filtering. The build: ...
4
votes
2answers
42 views

FC powers RX only if USB is connected?

this is my first UAV build, so please don't bare with me :) I use basically a S500 frame with 4S setup and a flightstack using a Holybro Kakute F7 1.5 FC, connected with a Holybro Tekko32 4in1 ESC ...
5
votes
1answer
34 views

What drone or drone kit allows long range {SD FPV and payload data forwarding}

I am looking for a drone which is able to: maintain an RF link between 5-10km from the receiver get easily modified to carry an external payload (assume another IMU+GPS) and transmit the payload data ...
4
votes
0answers
49 views

Lift off without receiver

Can I make a small drone frame achieve lift using 4 coreless 3.7 v motors of 55000 rpm, 3.7 v lipo batteries having 40c without a receiver and remote. Motors are all alike. The propellers I have are ...
5
votes
1answer
38 views

For a typical dual controller + companion computer UAS, is it normal to have UART only from controller, and USB only from companion computer?

When I'm reading the extension capability of 3DR Solo, I realise that its breakout board interface has some peculiar limitation. Here is the context of the entire 3DR Solo design: it is an open-source,...
4
votes
0answers
16 views

Control a servo through the flight controller PPM output and a ppm to pwm card

I have a quadcopter on which I want to connect a servo, I bought a ppm to multiple PWM converter to connect on the flight controller PPM output, but I don't find how to tell betaflight to control the ...
5
votes
2answers
183 views

What is the standard setting for the Ele stick in FPV mode

I've been flying quads for quite a while both line of sight and FPV. I started with Liftoff simulator FPV where I had the settings set the way that when I move the Ele stick backwards, the drone moves ...
2
votes
0answers
28 views

Electronic Image Stabilization in drones

I am exploring on various Electronic Image Stabilization algorithms for camera on drones. Got few links to understand what EIS is all about: AUTOMATIC TARGET DETECTION AND TRACKING IN UAV IMAGERY UAV ...
4
votes
1answer
32 views

Is my drone battery too large?

I'm new to the drone game. I'm building an Arducopter S500,(2015) with 2212 KV920 max 1200 gram, brushless motors, 10/45 blades, SimonK ESC's, Lipo 5200 11.1V battery, and GPS 2.8. My controller is ...
1
vote
1answer
39 views

Which frequency band protocol to be used for fixed wing gliders?

I am designing an autonomous glider. I am also adding a provision to manual override the glider. I want to understand which frequency would be perfect for RF module or transmitters and receivers, so ...
4
votes
1answer
50 views

Are drone batteries more prone to swelling than other li-ion batteries?

I have lithium ion batteries in my cell phones, laptops, portable chargers, and all sorts of devices. Sometimes I'll keep them off for a week or two and when I turn the device on, the charge may be ...
7
votes
3answers
69 views

When flying, how can I identify the orientation of a distant fixed wing model aircraft?

I'm learning to fly fixed wing model aircraft via an RC simulator. I can control the aircraft well in Chase mode, where my viewpoint follows the aircraft. However, in Fixed mode, where my view is ...
1
vote
1answer
39 views

Why doesn't my GPS get any satellites?

I got a new GPS for my Matek f405, and after I set it up and got betaflight to recognize it, I can't get any satellites. It's a BEITIAN BN-220T.
5
votes
1answer
39 views

FPV system for ground vehicle

Is there a VR goggle system with remote control made for ground vehicles? Drones have a clear line of sight, so I would imagine the same system would barely work on ground? I need up to 200 metres of ...
3
votes
1answer
38 views

What is the difference between Mission Computer and Flight controller? Why can't the Mission computer and Fight controller be on same processing board

I am exploring various on-board processors. I observed in most cases, the mission processor and flight controller processor are different and are integrated as and when required. I was wondering what ...
4
votes
0answers
42 views

How can I update my flysky fs-i6?

I bought a flysky simulator cable but my computer running Windows 10 won't recognize the transmitter when I plug it in. I even tried it using Arduino UNO and a Windows 7 PC but didn't work either.
3
votes
1answer
62 views

How far can you get video without a VTX antenna?

My VTX antenna connector got ripped off the VTX, and I don't know if I fixed it properly or not since the VTX sends video without an antenna plugged in.
1
vote
1answer
27 views

quadcopter motor spinning with resistance and not as freely as other motors

I haven't completed the assembly of my quad but I noticed one of the motors was not spinning as freely as the other 3. It seems like the top spinning part is scraping against the bottom fixed plate ...
4
votes
1answer
32 views

Zenmuse P1 picture quality worse than X7

I was given two photos flown with the X7 and P1. The purpose of the project is to classify the green vegetation through pixel classification. So pixel value consistency is vital. Especially if I am ...
3
votes
0answers
31 views

How can I use XFLR5 in Ubuntu 20.04

I'm working on an aircraft project and I need XFLR5 to decide on a suitable airfoil. However, I can see that it is only available in Ubuntu 18.04. I'm using Ubuntu 20.04. What can I do about this? Is ...
2
votes
1answer
38 views

Is it possible to attach I2C and USB based sensors to the flight controller and receive some outputs via telemetry?

Readily available flight controllers have pins/pads available usually for UART ports where you can attach various modules like ESC, RX, VTX, OSD etc. I wanted to know if it is similarly possible to ...
6
votes
1answer
51 views

Is my flight controller dead or can I save it?

I built a new quadcopter and was able to power up the drone with no problem when I finished. However, after flashing new firmware to my receiver and forgetting to disconnect the receiver wires from ...
4
votes
0answers
37 views

Can I use a quadcopter AIO FC (or stack) to control a micro helicopter via Arducopter or iNAV?

I have found a lot of resources on building your own quadcopter(drone)...but none on micro helicopters. The only helicopter resources I have found were large model helicopters. However I want to ...
3
votes
1answer
52 views

Ardupilot Frame of Reference for X-Quad

I was using pix hawk with Ardupilot : I want to know which frame of reference is used in pix hawk - Ardupilot - H configuration when I am observing the valued in the logs the Acceleration Z is showing ...
3
votes
0answers
20 views

Powering the PixHawk with USB on the "Power” port

I was wondering if it is possible to power a pixhawk with an USB cable (power from a powerbank) via its "Power" port. Something like a DF13 to USB cable, maybe with a DIY cable. I just need ...
3
votes
1answer
57 views

ArduCopter motor spins at full throttle when armed

When I arm the drone the motors start rotating at some throttle percentage may be (7%) and the drone will automatically disarm after 14sec and again the process repeats after I arm the drone. After ...
8
votes
1answer
54 views

Hover stability: PX4 vs. DJI Mavic Mini

About a year ago I started building my own drones. I've settled into Betaflight for FPV and PX4 for photography. I've never used a "real" off-the-shelf drone, being a DIY'er. Recently I saw ...
4
votes
2answers
51 views

Brushless Upgrade for RC Car

I was told that if my question was about motors and ESCs than it would be okay to put it on here even though it has to do with an RC car... I am wanting to do a brushless upgrade for my WLTOYS 12428 ...
4
votes
1answer
41 views

FPV camera not working

I've bought the following two items: https://droneshop.nl/emax-transporter-fpv-bril https://droneshop.nl/star-power-vm275t-5g8-25mw-48-channel-vtx-with-osd Both are 5.8ghz 48-channel. They both ...
3
votes
1answer
50 views

Installing Spektrum receiver onto AtomRC Dodo

I'm a noob who just received an Atomrc dodo, and I have a Spektrum SPM4650 receiver I need to install. The wiring diagram (below) is clear enough, but I'm new to soldering and would prefer to avoid ...
2
votes
0answers
18 views

Dji fpv will not link in digital fpv mode

I bought the DJI fpv kit and I am trying to change the VTX from 25mW to 700mW. I don’t see a setting in the goggles until I change it to digital fpv mode. But when I do that, I can see the setting in ...
4
votes
1answer
24 views

Can you connect a mamba405-mk2 flight controller with a FrSky R-XSR receiver?

Spec for mamba405: https://ardupilot.org/plane/docs/common-mamba405-mk2.html Spec for R-XSR: https://www.frsky-rc.com/wp-content/uploads/Downloads/Manual/R-XSR/R-XSR%20ACCST%20-Manual.pdf Looking at ...
2
votes
1answer
31 views

Quadrotor sizing

I am trying to make a quadrotor UAV (with inverted props) which has 4 circular/semi-circular attachments to help it glide for a longer distance. I have a constraint on the mass, but I don't have any ...

15 30 50 per page
1
2 3 4 5
13