Storm Racing Drone (Flexrc Owl / Storm Spec) Review
In that location are many mutual problems new quadcopter pilots tend to ask. In this article we will attempt to help troubleshoot some of the common problems, some can even be avoided from happening.
How to Avoid Multicopter Technical Issues
For anyone who has experience of edifice quadcopters, should be familiar with all the critical parts of the motorcar. If not please take a wait at the quadcopter hardware overview guide.
Technical hardware failure is inevitable. In this mail we volition discuss some hardware failures that tend to happen in a quadcopter, and how we could troubleshoot or minimize the chance of disaster from happening.
- My Quadcopter won't arm
- Mutual FC issues
- ESC problems
- radio transmitter/receiver issues
- Motors
- VTX, VRX, FPV related problems
My Quad Won't Arm
Toubleshooting arming upshot.
Flying Controller Failure
Mini Quad flying controllers have really been one of the most reliable components for me personally. Common issues could exist:
- Cold/dry solder joints – to RX this means failsafe kicks in without losing signal (no RSSI alert), to ESC this means the quad doesn't response to TX stick for a brief moment or just drop out of sky. This is a good example of "how not to solder"
- FC shutdown – you quad drops out of heaven unexpectedly. Commonly this is caused past lost power to the FC: perhaps a cold solder joint or loose cablevision, or maybe information technology's the voltage spikes in the power. Bad voltage regulator could also be the cause
- Moisture or water gets into the FC and shorts the components, causing the quadcopter to fail – endeavour to avoid flying in the pelting/snow, or in a higher place water, wet grass etc. To prevent this issue you could also utilise waterproof coating on your FC or whatever exposed PCB in your quadcopter
ESC Issues
The most common ESC (Electronic Speed Controller) problem might be burn down-out, or even catching burn down.
There are many situations where the ESCs tin can be burnt out.
- Overloading, i.e. motor draws more electric current than what'southward they are rated for over a long menstruum of time and causes overheat
- Damaging outburst current during a crash
- Physical damage, east.k. hitting a stone, or struck by a spinning propeller
To avoid these trouble, e'er stay inside safe limit when picking motors and propellers combo. It would exist squeamish to take current sensor in your quadcopter and have the current draw displayed in OSD. Brand sure your PID is properly tuned, bad PID can cause vibration and backlog current describe. Also make sure the ESC'due south are getting good airflow.
To protect ESC'due south from physical harm, many people simply put a blade of a propeller on it and wrap it with tape or zip tie.
All soldering and wiring should be kept well insulated from each other, and proper heatshrink should be used for electrical protection. For carbon fibre frames, wires should be handled with extra care as carbon fibre is conductive. They should exist insulated from each other.
Radio Transmitter/Receiver Indicate
When information technology comes to radio problems, the first thing I can think of would be loss of radio signal. These might exist the causes:
- RX lost power
- Your antenna got chopped off by propellers
- RX antenna is blocked by carbon fibre frame
Also brand sure there is nothing blocking between you and your aircraft. The frequency used in our radio is 2.4Ghz, while it'south has moderate penetration power, it can easily exist blocked by concretes and hills. Make sure your transmitter antenna is aligned with your receiver antennas to go the best possible signal.
It'due south practiced to have some sort of RSSI indicate strength alarm or warning. Decent radio transmitters come with this feature such every bit the Taranis, it shouts at y'all when indicate strength drops below certain level and so you can make a turn in time. Also make sure failsafe is setup properly on your radio receiver and flight controller.
Lastly, range check your radio if you lot are flying in a unfamiliar environment, "knowing one's limit" was the wisest lesson I ever learnt.
Motors
Mini Quad Motors are generally quite robust and they don't break easily. But since they are very exposed to crash damages, ripped wires, bent shaft or loose magnets can happen. Some would attempt to fix them only due to the technical difficulty it's easier to but buy a new i IMO.
Hot Motors
Hot motors aren't a practiced matter: it shortens motor life and eventually the motors can burn out.
Ii things tend to brand motors hotter than they should:
- "Over-prop" – using propellers that are likewise big to handle
- Vibrations and twitching in your quadcopter, rapid change of motor RPM volition cause motors to overheat
To prolong the life of motors, it's important to continue them as cool as possible in flights. This involves tuning your PID properly, clean your power system noise with capacitors. In extreme cases where nothing seems to help, yous tin can also consider soft mounting your FC or even motors.
Some other mutual issue with motors are long screws. If screws are too long they could affect and short the wildings in the motor. This could cause the motor to overheat, or even burn out the motor. Here is how to decide the right length for motor screws.
Some motors are hotter than others?
If 1 side of the motors are warmer than the other side, this normally suggest in that location is a trouble with middle of gravity (COG). For example if the back is heavier than the front, then your back motors are going to work harder to keep the craft in the air and thus get warmer. A quick set is to shift your battery or Hard disk drive camera to go along COG in the eye.
Video Transmitter/Receiver Signal
If you fly FPV, the last thing you desire is to have problem with FPV system. When losing video you have absolutely no idea where the quadcopter is flight into, and this is extremely dangerous to people around. When this happens the best thing yous could practice is probably cutting throttle immediately, allow gravity take care of the residuum and crash your quad in to the basis.
Near people wing five.8Ghz these days, and penetration power sucks, and this is the main cause of lost of signal. Don't expect it to work if yous are flight in the wood or over the other side of the building. Trees and walls are very constructive at blocking 5.8Ghz signals.
Getting jumping lines in your video during flight? It could be noise in your ability and adding some capacitors could help. Also make sure your FPV gear shares a common basis (ground are connected together).
To go the best possible signal, FPV antenna is probably the most important factor. Bank check if you lot are matching SMA or RP-SMA correctly, and if you are using both Left-manus and right-hand antennas.
And over again, range-check your equipment before yous fly in a new environs.
Final Words
In that location are endless possibility when it comes to problems in a quadcopter, if you had an unusual problem that wasn't mentioned delight let united states of america know in the annotate department. It could save someone hours to detect out the problem.
Before a flight session, remember to check all of your bolts and nuts are fastened, particularly the motors. After a rough landing or crash, triple bank check your props and frame for amercement also, do non fly with propellers with crease lines.
Source: https://oscarliang.com/avoid-quadcopter-technical-issues/
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