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Old Mar 31, 2012, 07:17 AM
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Quote:
Originally Posted by tc3wins View Post
I may try that.
It doesn't change a lot.. but it give you more protection for the motors.
Maybe less vibration since prop will be closer to the mounting point of the motor ?
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Old Mar 31, 2012, 08:43 AM
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I took the Vtail outside. and I am not happy I am getting wobbles in both acro and stable modes. I switched the rear props back to 8 inch and that helped a small bit. but should I go up or down on the PID's for pitch and roll. auto level I am down to 6.6 and it is not super stable. on higher settings for auto level she is very touchy.
Old Mar 31, 2012, 09:42 AM
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You must have a good accro mode before acc mode. The acc mode on multiwii is not as good as naza one so ne careful.
For thé pitch you need to put more I
Old Mar 31, 2012, 10:22 AM
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for my roll and pitch I am running P4.0 ,I 45 and D 24 and I am getting wobbles from left to right and slightly fore and aft. any Ideas. I stopped using auto level mode.
Old Mar 31, 2012, 10:31 AM
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On a Vtail pitch and roll pid are différent and your P look to be low, have you try to increase it ?
Old Mar 31, 2012, 10:36 AM
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Originally Posted by Bledi View Post
On a Vtail pitch and roll pid are différent and your P look to be low, have you try to increase it ?
(Remember that PID are not the same on each Version of Multiwii)
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Old Mar 31, 2012, 10:37 AM
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I went to 5.0 on the P on both and still got a bad wobble when I move the copter to roll and pitch.
Old Mar 31, 2012, 10:39 AM
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Then reduce them, but if you have to go below 4.0 then you've got problems elsewhere (i.e. mechanical/frame structure/vibrations/flexing/etc).
Old Mar 31, 2012, 11:49 AM
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Here is a short video of the wobble. I went back to stock PID's P 4.0, I 30, D23 it is a little better. but you can see it in the video

V-tail copter wobble problem.AVI (1 min 20 sec)
Old Mar 31, 2012, 12:30 PM
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Quote:
Originally Posted by tc3wins View Post
Here is a short video of the wobble. I went back to stock PID's P 4.0, I 30, D23 it is a little better. but you can see it in the video

http://www.youtube.com/watch?v=LXdMS...ature=youtu.be
Yes ... some more PID tunint needed.
I have no experience with the Naze..

Did you balance your prop ?
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Old Mar 31, 2012, 12:43 PM
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Originally Posted by Dialfonzo View Post
I have no experience with the Naze..
nice try, its multiwii 2.0.
tc3, try powering the stuff up in your hands (carefully), throttle up a little bit (enough to start getting corrections from gyro), and try holding the FC firmly against frame, and pitch/roll the model in various directions. does it still wobble around in that case?
Old Mar 31, 2012, 01:05 PM
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I have an idea ! Did you reduce the P of the Yaw !
We thé défaut 8 value it is normal you had woodles on a vtail
Old Mar 31, 2012, 01:09 PM
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Btw, he's flying on y4 mixer (at least thats what I set).
Maybe try actual vtail?
Old Mar 31, 2012, 01:11 PM
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Originally Posted by timecop View Post
Btw, he's flying on y4 mixer (at least thats what I set).
Maybe try actual vtail?
The V-Tail setup only mix some pitch

btw: i was not attack you .. just saying i don't know how your controller work..
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Old Mar 31, 2012, 01:42 PM
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I will try lowering the yaw P I have not done that yet. I am also in the process of cleaning it up and adding lights and stuff. I know I will get it right sooner or later.


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