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Old Oct 06, 2012, 07:45 AM
RQuad is offline
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Joined Feb 2012
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PROBLEM on Crius AIO Pro Y6 With MegaPirate NG 2.7 R4.

When I hold it it looks like it wants to fly, but as soon as I give it a little more remote input it reacts pretty violently.
The general reactions on tilting the frame seem to be fine. I tried stable and acro mode- pretty much the same.
Also extremely violent reaction to YAW- through remote in or when I yaw the frame by hand it feels like it wants to flip.
I tried to change the PID values A LOT- still no big difference.

My Setup:

- pretty stiff Y6 Frame, arm lenght 21cm
- Turnigy 2822/17 1100KV Motors
- 8x4.5 Props
- Turnigy Plush 10A ESC connected to 2,3,5,6,7,8 according to "Crius All in One Pro v1.3docx"
- Frsky PPM Sum receiver connected to Throttle port
- total weight around
(I think with the new SW version I do not have to make the changes described in that document to the APM_Config.h any more- correct?)

In the APM Planner Mav 1.0 / 1.2.13 everything looks good.
I get reasonable remote values,
I was able to calibrate the remote, the ESCs were calibrated before with a servo- tester.
The CHNout values also look reasonable to me (?).

With Multiwii 2.1 (PPM on RX1, motor connections according to Multi Wii) it works fine and flies pretty stable even with preset PID values.

Does somebody have an idea on this- or even better- IS there somebody form the HAMBURG, GERMANY area to meet up and give me some "hands on" support?
I am really stuck and even though it works fine with MultiWii I would love to use MegaPirate because I already built quite a lot MultiWiis (and love them...)!

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Old Oct 06, 2012, 11:46 AM
roxyboby is offline
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Could you post a video of how it reacts.
I build a Y6 using Openpilot. It flies lie a dream, check the attached video:
CC3d First outdoor hover (1 min 8 sec)

My settings are:
Hextronix Dt700
simon flashed F-30
Apc 10 x 4.7
I use the Futaba radio
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Old Nov 19, 2012, 08:07 AM
jabram is offline
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I have seen exactly that before not on Y but I am certain you have the same problem.

Check ESC calibration - individually if you want to get it right.

Make sure your RC TX has NO TRIM set at all, not even Sub trim

Then do the radio calibration

If you do that I am certain you will find it behaving like a completely different beast.

The clue is the output PWM values should be real close to each other when the frame is level on the ground.
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Last edited by jabram; Nov 19, 2012 at 09:00 AM.
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Old Jan 22, 2013, 12:13 AM
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United States, TX, Laredo
Joined Dec 2011
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Hi did u find a solution to your problem i just built a Y6 and i am experiencing the same behavior as yours using megapirateng. I still have to test multiwii software.

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