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H: How do I successfully stabilize or trim a TinyWhoop Nano?
I'm a newbie to drone flying and decided to start with a TinyWhoop Nano RTF. I know just enough about model aircraft controllers from using them in robotics and animatronics that fine-tuning is necessary to get stable or centered actuators.
In the case of th... |
H: Is superglue (cyanoacrylate) a viable means to repair quadcopter frames?
One of the tiny struts holding the rotor on my TinyWhoop Nano broke (surprise!) and I've used superglue (cyanoacrylate) to bond it back together. I don't know yet if this fix will be suitable or not, because I haven't even gotten the quad prop... |
H: How does Amazon's new drone land itself into a station?
I am fairly interested in drone building and thought about a drone which automatically recharges itself by flying in to his station, but thought it was close to impossible without using extremely sophisticated tech that extremely pricey (D-GPS).
How can this l... |
H: What is the best drone for beginner fliers?
My brothers would like to start drone flying, as they haven't ever flown my Syma before. I am looking for a small, inexpensive pocket or medium drone for beginners that will probably get thrown into our magnolia tree.
AI: There's no single 'best' starter drone, as new one... |
H: What type of connector is used on the DJI manifold 2?
I'm looking for a certain connector's specification that is used in the DJI Manifold 2. Unfortunately, there is no information about this connector's specifications in the data sheet, it only talks about the communication port.
Could somebody help me?
I need to ... |
H: How do DJI drones achieve such long flight times compared to traditional FPV drones?
DJI is able to achieve ~30 minute flight times with their dones. Whereas, a typical FPV drone is only ~7 minutes
I see this as a huge achievement by DJI, I am interested to understand how they were able to achieve this advancement
... |
H: Beginner looking to try a DIY plane, any suggestions on a kit?
Title pretty much sums it up, but I would like to try to make my own RC plane. I'm looking for a kit or bundle I can get that would basically include all the supplies to make a plane, so I guess that would be a controller, receiver, a motor or two, some... |
H: Learning to fly: One crash at a time
Question
Is there a comparison of model types versus the milestones that reflects which plane is best for learning in ?
Background
I bought an EPP flying wing some time ago and have taught myself and a few friends and family members, as well as any stranger with some curiosity, ... |
H: Is there a list of milestones to check off before claiming one can "fly"
Is there a generally accepted set of milestones that one should "tick" off before claiming that they can fly ? Are there different guidelines based upon the craft e.g. fixed wings, quadcopter versus helicopter ? Are these published by the mode... |
H: Do I need CW or CCW props for my plane?
So I'm making an airplane with a motor at the front, do I use CW or CCW props?
Pretty sure this is what counts as a puller plane (is that the right term?).
AI: The decision between CW (clockwise) and CCW (counterclockwise) propellers has to do with the direction your motor/en... |
H: Do laws on 'drones' in Australia apply to fixed wing model aircraft?
I've been looking at the CASA RPA rules (specifically under 250g and under 2kg non-commercial) and there doesn't seem to be a section on fixed-wing aircraft. Do the rules for 'drones' (for instance these) apply to fixed-wing aircraft. I assume the... |
H: Budget drone capable of lifting 0.5 - 1 kg and flying ~2km radius
I'm looking for some budget multirotor drone (up to $300) which can lift 500g-1kg of weight and has long enough range to fly a ~2 km radius, it should also have a small camera just for control. Is there a ready to fly model which I can buy, or can I ... |
H: FPV camera and beeper seems to be interfering with each other
I recently changed my VTX from the Tbs unify pro 5G8 HV to the unify pro 5G8 V3. Because of this I had to move the cameras 5v input from the VTX to the FC (The HV model has a built in regulator, and the V3 doesn't). I also mounted the VTX on a 5v output ... |
H: Can you charge 1s and 2s batteries at the same time with the tinyhawk 2 included charger?
I just got a Tinyhawk 2. It came with 2 batteries (2s and 1s) and a battery charger that you plug in to USB.
I know that you can't parallel charge batteries with different cell count, but it looks like there is separate logic ... |
H: 30 year old water-slide decals. Are they still usable?
Not strictly a drone or model aircraft question, but I have seen multiple questions here about painting models, and this is also about the aesthetics.
When clearing my deceased cousins house, I found several plane and car models he was in the process of buildin... |
H: What size screws do I need for this motor
I am using this gimbal motor.
I need to know what size screws do I need to use. I am developing egg and a frame that has 5 mm thick walls, and based on the chart I know I need to use 4m screws. I want to know how much longer do I need to make the screws to perfectly fit th... |
H: How do I change GPS elements on the Betaflight OSD for my Acrobee Lite?
Right now I'm on Betaflight trying to change the OSD for my AcroBee Lite and it's being really weird, I can't seem to get more than three little thingies to be shown at once. Is there some sort of secret code I need or something? This is really... |
H: ESC power up beeps sound twice: du-du-du...du-du-du beep-beep
Just recently, my power-up beep sounds have changed. The normal sequence is just du-du-du beep-beep for ESC power, then throttle signal, right?
Now I get du-du-du, pause, du-du-du (again) beep-beep.
What could this be indicative of? This is an NBD BeeBra... |
H: How to determine the minimum thrust to weight ratio for a fixed-wing aircraft?
I am considering building a fixed-wing aircraft with foam board, and I'm unsure what the necessary thrust to weight ratio is. With quads, it's easy to determine the necessary thrust. Just find a motor/prop combination that can provide mo... |
H: Does the FS-R6B receiver work with the JJPRO EM-16 transmitter?
If I need a new receiver and can't find one that is exactly the same as the one that came with the radio, can I get one with the same amount of channels and from the same company and use it with the radio?
Specifically, I need to know if this receiver ... |
H: What is this 4th row of pins on some receivers?
I was looking for a new receiver(think I fried mine) and noticed that some receivers have a 4th line of pins. I've only seen this on receivers where the connections are on the side instead of the top.
What does this 4th line of pins do? Will it work for my plane just ... |
H: What would a basic fixed-wing electronic setup look like?
I'm building an FT Tiny Trainer. Currently it's just a chuck glider, but now that I have tested it, I want to add electronics. At first, the plane would be a controlled glider, but then I'd probably add a motor. So far, I've figured out what transmitter/rece... |
H: Does the RC transmitter control power consumption?
This might be a little off topic, please be understanding.
In case of an RC car toy (specifically, for children) you can control the speed of the car via the transmitter. I am wondering, if I were to customize the transmitter and limit the maximum speed of the car,... |
H: Connect mavlink (on RPi) with QGroundControl
I am trying to connect Mavlink (installed on RPi) with QGroundControl via 3DR Radio Telemetry as to transmit telemetry data from RPi without dependency of Ardupilot/Px4 flightcontrollers. I want to achieve transmitting data such as GPS or Postion using the message format... |
H: Motor will not go above half thrust. Why and how to fix?
I fixed the esc of my aircraft, but now it won't go above half thrust for whatever reason. Here is a short record of the electronics in the craft;
Crashed twice, broke esc, soldered 3-pin ground connector back to the esc, wrapped in electrical tape, worked fi... |
H: What is the power draw of an average 5 inch FPV-drone?
I'm doing a project in school where I'm comparing different batteries for use with an FPV drone. To do that I need to know a how many watts the battery needs to be able to provide.
I found this motor test, but if I understand it correctly, the motor draws about... |
H: Why does motor not want to go above 2/3 thrust?
This is related to my past ESC troubles. See link for some flight history.
I tried the recalibration as suggested by ifconfig, which sadly didn't work. But now the motor will not go above 2/3rds thrust(slight improvement), no matter the calibration range. I did do one... |
H: How to keep my prop from flying off my motor?
After finally getting every piece on my plane to work, another piece decided to be a problem. Great.
My problem is pretty much already summed up in the title, my prop keeps flying off my motor, and I want to stop it from doing that because no prop pretty much means you ... |
H: Video being indexed on SD card, but no duration time and no actual video recorded
I am using an HS-Series Holy Stone drone. I was able to get one video recording, but every subsequent video recording indexes the recording, but no duration time, and no actual video in it even when it says it has 23 Mb of video.
I am... |
H: How do I attach a propeller to this motor?
As many of you already know, I am getting into RC planes. I went to my hobby shop today and bought a motor and some props, but I can't figure out how to attach a propeller to the motor. Unlike what I've seen on YouTube videos, there is no shaft on the front of the motor. T... |
H: Help finding ESC for brushless motor
I'm very very new to hobby electronics however I have studied a bit about basic electronics in school. I have four EMAX 0802 Brushless Motors and I want to drive them with an Arduino Nano. I know that I need an ESC, however the motors came with a specific connector. They are als... |
H: Wiring a 4-in-1 ESC to an Arduino Uno
I have four brushless motors that I want to control using an Arduino Nano. I was looking at getting a 4-in-1 ESC controller similar to this one on amazon.
At this point in my project, I'm more interested in toying around with components and understanding how to control them usi... |
H: My esc cuts the motor when I move control surfaces a lot
I finally built my plane and started testing it on my workbench. If I moved the servos a lot (using my transmitter), the motor would cut out, the ESC would play a tone similar to when I first turn it on, and after 3-5 seconds the motor would restart. During t... |
H: What is Commutation Enhancement in BLHeli_M and what should i set it to?
In the BLHeli_M version of the BLHeli Configurator, theres an Option for Commutation Enhancement. By default its set to Async-PWM but it can be set from 3%-CE to 100%-CE. What does this Parameter do and what should i set it to on a Mobula 6?
A... |
H: AliExpress drone vs DJI Pro 2
I can buy a drone in US or Canada like the DJI Pro 2 for over 1000$. But when I search professional drones on Ali they advertise many that share many features such as 4K video, dual camera, 20minute flying time. The one main thing I don’t see on many drones on Ali is the long range abi... |
H: recommendations for a DIY/dev platform lifter drone
I was mainly wondering if there was something in the drones world, similar to what the ender3 is to the 3d printing community -- that is, a cheap kit massively owned by makers and open source enthusiasts.
I'd like to get a list of components I can, afterwards, hig... |
H: Betaflight attitude update rate only 100hz?
In the tasks.c file, this line in particular
[TASK_ATTITUDE] = DEFINE_TASK("ATTITUDE", NULL, NULL, imuUpdateAttitude, TASK_PERIOD_HZ(100), TASK_PRIORITY_MEDIUM)
If I understood this correctly, attitude is updated at 100hz only by default. Why then do we need gyros which ... |
H: Can I re-flash the Hubsan fpv1 controller with built-in fpv screen?
the only radio transmitters, also called remote controllers, that embed a fpv screen, for seeing what the drone sees, near the joysticks, instead of having to get obstructed vision by goggles,
that I found, are :
https://www.youtube.com/watch?v=df... |
H: Can something be mounted underneath a quadcopter rotor?
I am a bit of a beginner, so I don't fully understand the way the air flows around the rotors in a quadcopter. My question is in the title, and I am basically wondering if something can be mounted adjacent to the motor, and directly beneath a part of the rotor... |
H: Should VTX ever be lower freq./higher power than the control transmitter?
I can find video transmitters from 5.8GHz down to 433MHz with the latter being ideal for longer range, but I don't see nearly as much diversity as far as control transmitters. Am i correct in saying that a lower frequency transmitter will alm... |
H: Connecting 4 in 1 esc with power module
I have a 4 in 1 iflight esc currently connected to my motors. I am attempting to interface it with my flight controller (Pixhawk 4), which comes with a power module (https://docs.px4.io/master/en/power_module/holybro_pm07_pixhawk4_power_module.html) in order to provide power ... |
H: How high can the Mavic Mini fly?
I was wondering how high the DJI Mavic Mini could fly before the air became too thin. I know that there are restrictions in the app (and probably in the drone/controller itself) but if you were able to override those things, how high would it go (not including battery life)? Thanks ... |
H: Diy drone Digital control/communication
Is there a solution for digital drone communication through Wifi for diy fpv drones?
I'm searching for a way to build a drone that have multiple cameras and communicate with my computer through wifi, for control/autonomous drive/etc, i need something like the dji tello commun... |
H: Why can't quadcopters handle failure of one rotor?
Ardupilot can detect (and it logs) motor output mismatch. I think detecting in flight motor failure is possible with modern firmware and flight controllers. Then if one rotor fails, why can't we have the quadcopter fly like a tricopter, since we now have ESCs that ... |
H: What are controllers of Parrot AR drone 2?
I have a few questions about Parrot AR drone 2. Here is the official website
Q1:What are the controllers for the AR drone 2? Is there a position controller (GPS), velocity controller (accelerometer), attitude controller, heading controller (compass), and/or altitude contro... |
H: 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 telemtry radios. I know the radios are connected properly, and both show a solid gre... |
H: Proper rotor fastening (Nyloc nut)
I am trying to figure out how to properly fasten my rotors on my quadcopter. I am pretty sure the nuts are Nyloc, but here is a picture for reference:
I read online in many places that you should just tighten the nut until you can't anymore with your hands, and some people recomm... |
H: XM+ bound to FRSKY x9 lite, but commands not showing up in betaflight
I'm very new to making drones, so sorry in advance for lack of proper terminology or if this is a dumb question. I've bound my xm+ to my transmitter (solid green light showing on receiver), but for some reason my inputs aren't showing up in betaf... |
H: DJI Mavic Mini 2 can't record 2.7k 60fps after update
As announced, DJI Mavic Mini 2 should support 2.7k 60fps.
I have the latest update of 01.02.0300 but still do not see the option.
Does anybody have the same problem ?
Thank you!
AI: After a bit of research it seems like the problem is likely to be that you don't... |
H: What types of cameras don't have wide angle view? Are those a good fit for a racing drone?
I am looking to make an fpv racing drone but I want to find a small, lightweight camera without the wide angle lens. Should I use this camera as my main fpv camera or mount a wide angle camera for my racing drone?
I am thinki... |
H: Working on a Quadcopter. Unsure if this flight controller supports an FS-IA6 receiver
I am really new to drone building and I have had some awful luck trying to figure out what is compatible with what. Here is the link to the AIO flight controller I chose to use for my build. It won't be a tiny build but I will sti... |
H: Help with finding a motor to rotate the plane of a propeller
I don't really know if this is related to this community but it's for a drone so it's worth a shot.
I'm looking for some sort of motorized hinge or a motor that can move a propeller on the Y-Axis, a gif will be below on how it might move a propeller. (Pre... |
H: Please recommend a soldering iron for hobby use
I'm frustrated with cheap irons that take ages to heat up, don't hold a consistent temperature, only have one size of tip and break after a year or so.
What sort of thing should I buy that can handle small wires on a flight controller and larger power connectors?
I th... |
H: How to connect ESC to serial?
I am looking for a way to access to configuration of Blheli-S firmware running on a Diatone Mamba F30Mini:
It seems possible using :
blheli-configurator
BLHeliSuite
There is explanation on different site about FC Passthrough. This seems to use connection to a Flight Controller.
As I... |
H: How to get a licence to fly a drone in the city of Prague for a week?
I would like to take my drone and go fly in the city of Prague - it's super beautiful there during lockdown. (I'm close by anyway so don't worry, I'm staying safe) But -
According to Czech law it's illegal to fly a drone within city borders. You ... |
H: How common is it for drone operators to actually follow all the regulations?
If you look at the list of rules for drone operators, it seems like the hobby is getting harder and harder to enjoy. Registration requirements, ID broadcasting, bans on flying over buildings of any kind, bans on flying over national forest... |
H: Is Psychiatric History an Obstacle to Obtaining a Part 107 Certificate?
Certain psychiatric conditions will prevent persons from obtaining a commercial pilot's license. Do the same restrictions apply to Part 107? If so, what means are there of obtaining clearance?
Background Reference: Guide for Aviation Medical Ex... |
H: why do drone frames have spaces and holes
This may sound like a very dumb question, but I am building my first quadcopter and I just realized that some frames have these perfectly symmetrical holes/spaces.
I used up all the screws on mine, so I don't think I have to actually use those spaces, but why are they there... |
H: Using DJI mavic min in Iceland during July
I was wondering if someone had the chance to fly a DJI mavic mini/2 in Iceland?
Im asking because it is small and im not so familiar with drones, all I read is that it can fly up to 13/16 m/s winds but of course nothing can beat experienced answer.
Thank you
AI: The drone ... |
H: What is the advantage of using more motors?
I am at the beginning of a drone project, which will have a 25 kg MTOW, and I am analyzing whether I use four, six or eigth engines.
Is there a good advantage of using more motors or does it really depend on the project design?
Does anyone know a simulator that can help?
... |
H: One of my motor don't turn if throttle is raised too rapidly
I've recently have an issue with my quad.
One of my motor don't spin if I raise throttle too rapidly.
If i raised it slowly i the motor turn correctly.
Only one of my motor have this issue and i've already change it but the problem is still here. Maybe it... |
H: what is the voltage output from the ESCs of drone motors?
the flight controller i am using is a custom one, which is a teensy 4.0 microcontroller. it cannot have more than 3.3V into its GPIO pins. I know I can use the 5V from the BEC of the ESC to power my teensy, but will the digital control pins from the ESC appl... |
H: How are IMU used to detect orientation with respect to ground?
I have seen some interesting videos of quadcopters floating autonomously and recovering from free-fall flight using only IMU.
Can someone tell me how gravitational acceleration is detected and distinguished vs acceleration from wind or control actuators... |
H: Pixahawk compatibility with high voltage digital servos
I am a novice RC member whom is doing a university project that uses a flight controller to actuate high voltage digital servos. It is part of a ducted fan rocket. The servos : https://hitecrcd.com/products/servos/digital/coreless/hs-7235mh/product ideally wou... |
H: Compact Gimbaling propeller
does anyone know how would you create a compact gimbaling propeller, like how a rocket engine gimbals. Similar to that! Thank you for the help!!!
AI: There are some commercial units (single axis or two axis) or there are a variety of designs you can 3D print.
These designs are mainly ba... |
H: 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 the two specifications the R-XSR requir... |
H: 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 support NTSC and PAL.
I'm only getting video "noise", in the form of random horizontal lines mixe... |
H: 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 soldering onto the tiny pads on the FC if possible.
The tan box labeled... |
H: 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 RC car... I looked on ebay, but all of the ones that say that they are compatible with ... |
H: 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 at... |
H: 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 from the pilot on the ground, ... |
H: 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 lower but it's not significantly lower.
But dr... |
H: 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 forward (inverted settings?). The inverted setting in FP... |
H: 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 that I can send control signals to the glider. Pleas... |
H: 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 de... |
H: 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 board. Connected with the default 8pin bus cable and like the FrSky R-XSR RX wir... |
H: 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 loose. I bought a kit for a quadcopter and 3 of the 4 propeller... |
H: 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.
AI: Because flying FPV you have a limited view of the UAS position relative to yo... |
H: 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
swept-tipped vs. straight-tipped
Looking at pictur... |
H: 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 running from the aileron and elevator sockets on the helicopter?
(Prob... |
H: DJI Mavic Mini Specs
There are some specifications I was wondering about the DJI Mavic Mini.
First of all, is there a minimum or maximum temperature the drone can operate at?
What is the capacity and C rating on the battery?
Does the Mini support ActiveTrack?
What is the maximum range of the drone, either straight ... |
H: DJI Mavic Mini - excess arm vibration
I recently noticed while flying my Mavic Mini that its front right arm vibrates loudly while descending. Especially when I start to descend, the arm visibly vibrates and makes a low-pitched sound as opposed to the normal high-pitched buzzing. Is this an issue?
I checked the scr... |
H: Is it safe/good to store a Mavic Mini 2 LiPo battery at ~18% for an unplanned next flight?
They say it is best to store at ~60% but I personally don't want to spend CC for charging it first and then discharging my battery.
Note: someone said, I can just charge the battery and unplug the battery individually one by ... |
H: Quiet, dockable drone for patrolling and remote communication
Never had a drone before but now I want one which needs to meet this very specific set of requirements:
Dockable. I want to setup a drone dock on the roof of a building, where the drone will reside and recharge. It should be able to automatically return... |
H: How close can a drone be to a wind turbine in Germany?
I operate a rather professional fixed wing drone which requires pre-flight planning via an app and doesn't support direct control besides instant flight abortion and "return to landing zone" command.
Due to the fixed wings the covering of an area of interest in... |
H: Lipo battery with an ESC and a BLDC motor
I'm not sure if I can connect four brushless dc motors to my Lipo battery. I don't know how to calculate it. The brushless motor I have is the Turnigy L2210C-1200 brushless motor (150w) and the Lipo battery I have is the Turnigy 5000mAh 2S1P 20C Hardcase Pack (ROAR APPROVED... |
H: Can't disable SAFE or change SAFE mode
I was gifted one of these (with souped-up motor and ESC) and was delighted when I discovered it could be bound to my Spektrum DXS transmitter. However, the receiver is stuck in beginner mode. I've been unable disable SAFE or change it to expert mode.
The plane holds the contro... |
H: What battery/motor setup will replace this 1980s vintage glow engine?
I have a sport model (RCM Terrier, balsa/plywood construction covered with Monokote or Econokote stick/shrink film) that I built in 1984, and it has somehow come through multiple moves apparently intact. I have a radio for it that's still FCC an... |
H: Can an extra 300s glide upside down and backward?
I had a crasy idea; here it is. Let's say I'm flying an 80" Extra 300s with a .6 nitro motor in it. I then go into a dive straight down with full throttle util my plane is 30 ft. off the ground. I then pull up, and go straight up until I reach a complete stall s... |
H: Question about Mars Ingenuity helicopter's wide-chord blades
I marveled at the two flight videos today on YouTube by Perseverance helicopter flights during Ingenuity mission.
Got me thinking.
Why aren’t the helicopter blades wider? I would like to think that in order to compensate for Mars’ thinner air.
Doesn’t inc... |
H: How to calculate how much lift to be generated for my helicopter to takeoff?
I am currently making a model helicopter. I wanted to know how fast must my blades spin so that it can takeoff. I guess, for that I would need to calculate lift produced right? Can someone help me find what rpm must the blades spin at, so ... |
H: Is there a simulator in which you can test your own helicopter model?
I am currently trying to make a model helicopter. I have calculated lift generated by the blades and upward acceleration of the helicopter. However, I amn't very sure if my helicopter will fly or not. Is there a simulator in which you can test yo... |
H: DJI spreading wings 900 propeller size
I need to know the size (length and chord) of the UAV spreading wings s900 propeller. It should be 1552/1552R and the only info I was able to find was this size: 15×5.2inch (see here). I found that the 15 inches is diameter, so the length is half of that. However, 5.2 is a pit... |
H: Does the Mavic Mini 2 drone support the DJI FPV controller and goggles?
The drone: Official Website | Where I'm buying it from
I am looking for a drone for a class at school, but we need one under 250 grams, and that supports First Person View, so that we can use VR goggles to fly it. This one has the video quality... |
H: How to use real DJI controller in simulator
I've got a DJI Mini 2 and I'm aware their official application (DJI Simulator) does not support it.
Anyway, I wonder if I can use the real Mini 2 controller in any third-part simulator.
I'm more interested in an Android app that simulate the camera view of a drone (like i... |
H: Using BMP280 as an altimeter for CanSat
Situation:
Me and my student team want to use a BMP280 air pressure sensor connected to an Arduino Nano to measure the altitude of a CanSat.
A CanSat is a coca cola can-shaped and can-sized aerial vehicle, which
can be released from a sounding-rocket or a plane-/quadcopter-t... |
H: What is the most invisible obstacles to avoid and notice when flying a drone?
Now I am understanding one thing: there are two kinds of obstacles, in addition to the visible obstacles, such as trees, there are also invisible obstacles that will affect the flight of the drone.
What invisible obstacles do you think ne... |
H: Will different brushless motor sizes work with the same flight controller and esc
I recently built a 5-inch quad using:
Diatone Mamba F405 Mk2 F40 Mk2 3-6S 30x30 Stack/Combo (F4 FC / 40A 4in1 ESC)
Motors: iFlight Xing-E PRO 2207 1800Kv Motor with DShot 600 and 4S battery cell. I didn't notice any problems with the... |
H: How to calculate lift for multiple rotors?
So I know that $L = \frac{1}{2}ρv^2AC_L$, but if I want to find the lift for a three-blade helicopter, do I just multiply by 3 or what? Let's say I have a 700mm rotor at 61mm wide, would it be:
$L = 1/2\cdot1.225\cdot73^2\cdot0.0434 = 141.6$ newtons. If I have 3 blades wo... |
H: (Beginner) I have a Radiolink Mini OSD with a not so clear schematic. How do I know if it can handle the input voltage needed to power my VTX?
My VTX and FPV camera can both handle my battery voltage (6V-36V input for the VTX and 4V-25V input for the camera). My mini OSD, unfortunately, only has an input voltage of... |
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