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You're very welcome, flux. Not many people know the lengths and depths of frustration/depression/angst we have to go through sometimes, just to identify the smallest, almost insignificant factor that stops our aircraft from flying properly, and it seems the smaller the craft, the more tiny the...

Okay, thanks flux, just double checking. When you held it in your hand, was there any shaking induced when you throttled up? Or was it in-flight only? It's starting to look like substitute-the-frame time for you, then. Best Chris

Flux: "I've held it in my hand at full throttle and it fights me" - how does it do this? The reversed directions of half the motors should result in a very smooth acceleration to full throttle and no torque in any axis, even at full throttle. If there's a perceived torque, try letting that...

Agreed, it's the only obvious thing left to check. Apart from the might-be-visible stress or manufacturing flaws, do check for mis-assembled frame parts (reversed re-inforcement tabs or brackets on struts etc), missing or mis-spec'd fasteners, unglued parts, etc., and also for pliability...

flux, a thought. Some servo lead plugs have tabs on their signal ends, so impossible to plug in the wrong way. However, not all servo leads are identical, and some come without those tabs. I recall a build where the Rx servo input sockets were designed upside down from the Naza ones, so the...

flux, good morning. Well the answer must be here, somewhere in the drone you have in your hand. This is not rocket science, only aeronautics. I'd tend to pursue the hypothesis that the frames you have may appear identical, but are obviously not identical. Were I to proceed further into the...

Okay then, so it's not likely to be mechanical (although the vibration might set in when you put the props back on). We're down to the FC, the ESCs, maybe the motor(s) and the Rx. You already eliminated the FC and ESCs, so your X4R is the only thing left (this time around), correct? As one of...

Yikes! I'd say that the Rx might possibly be giving the Naza confusing input, and as such that theory would probably be worth a test, since there's nothing left. However if it were the radio then you'd probably be able to feel the vibrations from just the motors spinning (i.e. with no props on)...

So not an individual FC issue, since all your Nazas fly this particular build the same way. What did you *not* swap out? Another thought occurs - your airframe rigidity is within spec your powerplants? I just had to swap out a hex frame for a more rigid one to cure camera jello issues, so it...

aha, well I'm not too familiar with mini builds, I have to admit - most of mine have been 55o or above, and all Naza, so I'd tend to agree with farmer, maybe swap out to a Naze or similar and check everything else first, then swap back, and eliminate build factors one by one? Once you've...

Flux, the internal vibration feels like something might be unbalanced? A prop or a motor mount, maybe? The wandering around the sky, or imprecise GPS hold, if it is in GPS mode, is probably your Naza-to-GPS puck offset ("GPS Orientation" under the Basic setup tab of your Naza Assistant)) not...

Yeah, flux, use your radio in regular PPM mode (old school channel style) for the channel 3- style ESC calibration - I use a different model on the TX side (switched to ACRObatic aircraft model) and then re-bind it to the same RX but operating as above, then calibrate everything, then switch the...

qav, hello! Chris here. While seconding what the other two people here have already said, I have something to add. If you're going to become, say, a good race car driver or plane pilot, you're going to want to have experience in many race cars or aircraft as you're building your own skills...

CooterTwo, great stuff! What this means is that even though the Naza takes up Channels 1 through 8 (A,E,T,R, X1, X2, Mode switch, as suggested in the video, plus the RTH/panic switch I usually use on Ch 8), if you do get and use a receiver with more channels, you can just go ahead and connect...

propflux, the regular Ch3 (throttle) channel is used to calibrate the ESC. Once you're back to S-BUS, then you're going to use the NAZA assistant software to verify that all your TX signals are ending up the right side up (not reversed) at the correct channels of the RX and thence into your...

farmernz, I have a separate calibration rig I use when building, it's basically an erector-set eqivalent of a regular arm battery-bec-esc-motor setup with terminal blocks and alligator clips set up so I can just clip in the ESC/motor rig I'm building, run it up on a receiver (any one will do)...

Yeah, SimonK ESCs are not so hard to find still online - but a caveat with any of the cheaper Chinese SimonK's - when I was (re)building my hex, I went through maybe eighteen ESCs, six at a time, just to find a set that matched properly. Sure, they looked the same on the outside, but cut away...

Agreed. I tried BL-Heli ESCs with Naza and no go. Reverted back to SimonK and no problem.

Keiren, hello! You're very welcome! Yes, the dronSim pro is just a downloaded app/program, pretty useful in the beginning when you don't have a drone to fly, a little like the old Microsoft Flight Sim programs of yore.... but with no fpv experience, because the whole point of the sim is that...

Keiren, hello! Well the best thing you can do in the meantime is practice! Yes, that means a flight simulator. There are several ones to choose from that are drone friendly, depending on what computer platform you're on. I use droneSim Pro on a PC tablet with an X Box USB games controller, and...