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Greetings Kloner..... I took a hiatus from Multirotors for about one year and just now getting back in to it. At last count I purchased a SuperX which I hope to put to use soon. But my question is....... What is the latest on the DJI A2? Last posting I found from you was that you were shelving...

I strongly recommend you learn some basics on electricity and RC hobby can make the learning more fun. Failing to learn could mean learning the hard way after the fact.

2 x 20C rated batteries are IMHO not sufficient for providing the instantaneous demand amps required by the motors to achieve full lifting capability under load. Higher C rated batteries will make a very big difference. I always use pairs of 25C rated batteries. Over time these LiPo batteries...

RC pilots need the best available batteries that are not only cost effective by means of recharging capability but the highest energy density that is possible to obtain. At this point in time Lithium Polymer batteries are the best fit-for-purpose batteries available on the market today for RC...

One of your 3 clockwise rotating motors is not functioning as well as it should or the associated ESC is not 100%. Find the hottest motor or esc and replace it! Sent from my iPhone using Tapatalk

Back from vacation.

Very interesting since 433Mhz = 70cm band is reserved for HAM/Amateur radio. But even vehicle remotes use 433 for short range! Sent from my iPhone using Tapatalk

Wireless GoPro wifi is in the same band as your RC 2.4Ghz ss system and is too close which is a tremendous risk to safe RCflight. Sent from my iPad using Tapatalk

Only inexperienced programmers do not gain control of the division by zero issue as well as unsigned, signed integers, floating point numbers etc. We call such programming "ppp".... Pizz poor performance! Sent from my iPhone using Tapatalk

I tried to calibrate the 45 amp multistar opts. Full throttle causes the esc to acknowledge the effort to set max speed. Then zero tx throttle causes esc to acknowledge minimum or zero speed via tone. But net results do not change at all..... Therefore they must be fixed and there is no mention...

Martinez worked fine for me with 2 axis and GoPro cameras. But i added the external v-divider resistors then activated v correction function to account for battery voltage drift down over time. Alexmos is simply easier all around and has more functions. Sent from my iPad using Tapatalk

Conventional PID loop tuning was straight forward and well explained by Dr. Greg Shinsky. But it seemed to take a turn when applied to Multi rotor and brushless gimbals. This might be due to aerospace modifications/applications of pid loop control relative to conventional industrial process...

I agree! FC system reliability needs to be at least, slightly better than power supply reliability! But where does that leave you? Send us more info so we can assess root cause of failure. Sent from my iPad using Tapatalk

DJI's assessment might be 100% correct! We have nothing to go on re: your subsequent decision and or lack of faith in DJI and their hardware. Sent from my iPad using Tapatalk

I have over 18 successful test flights to date thru builtin a2 rx using my Futaba T8FG Tx. But remain scared as to what might happen next. Sent from my iPad using Tapatalk

The 32 bit 3 axis BGC is largely a big unwritten book yet to be written! The basic controls for 3 axes is in place but challenges remain with yaw axis follow mode. However i believe the yaw functionality is mostly limited by the simple and cheap IMUs that are being used. 9 to 12 DOF imus are...

The biggest handicap to longer VTOL aircraft flight time is the limited energy density battery technologies. The energy density of hydrocarbon fuels continues to top the list but remain most impractical from several perspectives. Solve these problems and you will see a giant step forward. MR...

I must try that! Thanks Kloner.

Wow! You got that right! Sent from my iPhone using Tapatalk

Thx Ben & Ed.... I think what you are saying that one modified throttle curve will be used for all 3 FC modes such that the big speed jump will be minimized. Sent from my iPhone using Tapatalk