I believe I have a problem with my Pixhawk and was hoping for some help. Also posted this on rcgroups.
The issue is that when my speed controllers are hooked up to the Pixhawk they exhibit a bad sync issue. However when they are connected to my old APM (3.1) or just a receiver directly they do not exhibit these symptoms. This has resulted in 4 crashes now until I just tonight narrowed down the issue to the Pixhawk.
Can anyone advise what is going on? Here are the specs of my setup:
Afro 30A ESC's with SimonK firmware (have tried all versions, and made my own with various parameters)
Tiger MT2216-9 1100kv motors
4S 3700mah battery
Replies
The reality of this issue is that 95% of the time, it's due to bad wiring... but in the other 5% we have a solution for you.
Hint... the green Solo cube comes with this mod :)
...WTF? I still haven't heard back regarding my issue. I understand being busy as I am also a business, but if I can't get tech support then I have wasted my money...
Whats so hard about a simple reply if you know the answer?
Q: Why do I get a busy signal from all for of my Emax Simon Series 12A ESCs?
APM 2.6
Emax 12A SS
Emax MT2204 ll
Gemfan 6 in props
Can anyone please advise? Or should I simply scrap the APM/Pixhawk product for Naza?
Hi,
I just wanted to add my voice to the list of people who've experienced multiple crashes when running Pixhawk with Afro ESCs running Simonk (sorry, not sure which version specifically - whatever they were shipped with mid 2014).
I've got multiple Pixhawk's and a bunch of Sunnysky 2212 980kv v2 motors driven with Afro Slim 20A. I've successfully used the same motor/esc combo on APM 2.6, Naze 32 running baseflight and cleanflight with success. But the Pixhawk + Afro ESC combo I've seen sudden de-sync and had the quadcopter fall out of the air on numerous occasions - three broken frames.... The latest on Sunday with a DJI 450 frame, after a manual tuning session I engaged auto tune to see what 3.3.1 would produce but during yaw tuning one motor de-sync'd and it fell 5 meters out of the air. I'd previously not figured out what was causing it, but after doing a bit of searching and finding that it's a common well documented issue over the last year, I'm just dumbfounded that the root cause isn't isolated yet, or maybe I didn't find the right post yet...
For now, I've flashed BLHeli and will do some bench testing... fingers crossed.
same issue here with Hobbywing Quattro 4-in-1 ESC, just don't run AutoTune on that config and you'll stay in the air.
lol, just upgrade them already, running afro slims with 2216 800ies since January I've flashed them with blheli for easy of maintenance.
Hi Artem, for easy maintenance we now have an APP pn Google for setting up properly and flashing SimonK. Here is the Link: https://chrome.google.com/webstore/detail/rapidflash/gehadojofkekob...
I have not used it yet, but can't wait! I still had a flip again last WE changing from Baro back to Stabilize mode with Pixhawk after 10 minutes in the air! Harrrr. I rebuild it 2 times already changing all ESCs and Motors re-soldering the power distribution, twisting the signal cables etc... I will use your recommendations of using PWM_Com ON and high timing on the motors, as it seems this would help from your previous recommendations...
Cheers, I trust most if you Guys will find this App useful for setting up your Simonk Firmware before flashing your ESCs. Enjoy and Safe Flying!
motor sink issues can occur when you arm your copter the motors are set not to spin up . this can occurs from time to times just power cycle the copter should be fine. also seen this occur with pix hawk using the arming button enabled motors are set not to spin up one ESC can beep late. power cycle the copter. have better results removing arming button for some reason.
HI OG, you just replied to some of my concerns, but I could not reply directly to your post; when you are suggesting BLHeli, for PIxhawk.... Would you mind sharing compulsory settings on BLheli to get it to work properly, as with BLHeli testing many settings I gave up; as I crashed so many times with 920KV t-Motors and Afro Slim 20A ESC with BLHeli initially! Now I reverted back to SimonK and apart form one motor not spinning on arming; I recalibrate the ESCs and it flies, but not too confident.... I would rather get back to BLHeli; but I wish someone would share their settings for PIxhawk; as it is a serious headache guys!
Hello Guys,
are you still using the arming button and having issues with bl-heli!!!!!
suggest disable the arming button when Pix Hawk is your FC
hello,
to be onset I have not needed to messed with the settings in BL Heli firmware I suspect this is where your going wrong. the simonK is not going to produce any better results. here is my original post on BL heli users have posted settings as well
http://diydrones.com/profiles/blog/show?id=705844%3ABlogPost%3A1457...
also if you looking for examples BL-Heli settings you can can find some here
http://www.olliw.eu/2012/owsilprog-tutorials/?en
any issues from here on caused by the arming button disable it!
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