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Kuau, I still have the same issues as you do. When I switch to ATH MODE the model does not hold the position, it always drifts to one side and/or front or Back. I have continued to do tests on the AHRS drifting and no matter how many times I calibrate, when I let the model sit after calibration...

Topflight, I am sorry to hear what happened to you. You don't have the pilot lamp installed to hopefully find your quad? That is about the only feature that works fine... This afternoon, before I was ready to do a flight test, I noticed that the gps was not connecting by looking at the pilot...

Kuau, I will send this information to XAircratf and hope that they correct the issues we are having. I contacted 4 of my friends who also got the 650 V8 at the same time I did and they have the same issues. One of them replaced the XAircraft electronics with a DJI system and it flies very nice...

Topflight, see my posting above. It explains why your model behaved the way it did. The problem is the AHRS drift. I hope that XAircraft either fixes this drifting issue or stop selling this product until they correct the issue. It the past, the drifting was blamed to vibration during flight...

OK, Here are the 3 videos I took demonstrating the drifting problem. The drifting problem will have a negative effect in the position hold ( ATT ), Return Home ( ATT GPS ) and in the heading lock function, since the 3 axis gyro is drifting and providing incorrect feed back. ( read my posting in...

That is one cool video. I am still uploading the AHRS drift videos ( not sure why is taling so long ) In the mean time, someone asked me about my settings and location in the quad, so I am attaching 2 pictures. Basically, everything is installed following the videos from XAircraft. I am using...

Kuau, I have the 650V8 like you. I also think this product has a lot to be desired and I deeply regret I went with XAircraft products. Like you, I am thinking on moving on and do better research before I buy my next multicopter so I don't make the same mistake twice and buy a product that...

Kuau, Thank you for the reply. I will load that firmware and try it. About the drifting and the ATT and return home functions, it is understandable that they won't work as long as there is drifting in the AHRS like I mentioned before, I calibrated my quad before flight and during flight I had to...

I think I found one of the sources of my problem. After making sure all my motors were in same same plane as suggested by XAircraft support. (which did improve on the initial yaw issue I had), I found why my "hold position or ATT" and my return function don't work correctly. Before each flight...

Rule of thumb about batteries is to never discharge them more than 80% of their total capacity and regardless of the cell count, if you go lower than 3 volts in any cell, you might have ruin the battery. I usually charge them at low rate, I have 20 chargers from hobby king, so I put 20...

I have the same problem with the AHRS drifting. I just purchased the V8 10 days ago and it has been a challenge to deal with so many issues. Every time I connect to the XAircraft Center, I notice it has drifted quite a bit. It would be a huge pain to have to have a laptop with you at all times...