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Give some more info on the power system, like 3S LiPo, and what are the ESCs designed in regards to voltage. Also what do you mean by shorting out? Usually a short with a LiPo involves fire, smoke and some melted metal near the short. ESCs usually have a Diode connected across the...

I'd suggest Airmode and horizon perhaps. Horizon is like angle mode until the roll or pitch are near the end of the stick movements, then it becomes like rate mode.

Broken electrical joint, maybe burnt motor, or if the motor is hard to spin by hand sounds like a bent shaft.

depends on what your angle is set too, but generally no and I would strongly advise against trying.

It is basically cleanflight, just need to get the betaflight configurator. I suggest the one from the chrome app store. What specifics are you having trouble with? Also if you are arming the quad and testing the motors to see if they are the same then it won't necessarily work as the...

What about weight concerns and power density in comparison to pretty volatile the lipo sacks? I could see this for camera quads, bu not so much for racers.

No way a small solar cell could produce enough power to offset it's weight on a multirotor, let alone power it indefinitely with a battery. Was this by chance posted on the first?

You should be able to flash it if the processor will support it pretty easy. Are they using an F2?

Really have to be careful about using this as you can get prosecuted by violating 14 CFR 91.15, unlikely unless you break something or get reported by some angry person who sees it.

Didn't think to look at that. Is the receiver separate enough to use a better one if you have it?

Is it really toy grade if it is using brushless motors though? :p Most other hobbies seem to use the concept of whether it was meant to be taken apart and the type of parts such as brush-less motors and even the power system to define toy and hobby-grade. With that is the inherent price...

Might rotate the ESC with the one beside it and test it with no props to see if either does not spin. It might be a wire broke off in the motor. But you should see whether it is the ESC or motor by switching the two out with the one beside it.

Not that I know of then. But you could tune the quad in real time with in-flight adjustments. You can get them pretty precise this way, then go back and set it up for smaller adjustments and look at the blackbox data to get a better look at how the adjustments are affecting it to tune it...

You don't happen to have any blackbox data to look at do you? That would make it a lot easier to know what is happening. In a hurry I read that a bit quick however, so I'll take a gander again when I get back to see if I better understand your problem.

I assume you mean to simulate a flight environment and test flight controller software as well as hardware combinations? If so I don't know of an. There are plenty of flight sims that you could test PID values but they would likely not work real world. If you are mostly...

Sorry to be so late, but you could use any flight controller if you just outputted PWM (or any receiver protocol really) from the Raspberry Pi via an Arduino. You would not need o deal wit things like stabilization, just the basic four flight controls through the receiver input.

Naza 32 is for brushless quads for sure. I'd message them about it. The pwm outputs are also a giveaway, be sure to mention that.

Never know, the weight probably could have helped by increasing the needed prop speed to maintain a hover, so you could say it was planned. If anyone asked that is what I'd tell them ;)

Found something that might give you a better guess at understanding it. https://www.objc.io/issues/8-quadcopter/communicating-with-the-quadcopter/

Well true wifi control using the tcp/up model is a packet and port based network almost certainly using UDP. The quadcopter probably has a small Linux or embedded windows based single board computer to interface with the network. For about any frequency you can use two different...