Comments

• Felipe Rabat May 25, 2015 at 5:52am

  I have always heard about the larger prps being on the bottom.  What is the advantage of having them on top?
• DG May 24, 2015 at 7:43pm

  I'm happy to report my cantankerous Spy 750 Y6 is now a wonderful machine to fly with the latest Auto Tune.

  It now has Xoar 15.5 props on top, 14x7 bottom. The handling and stability even in wind is very good. The Xoars aren't as efficient as TM, but I can get nearly any prop size/pitch to experiment with and not break the bank doing it.
• 

  Stone1295 April 27, 2015 at 11:42am

  As far as using the beta firmware 3.3rc1, there are still issues in autotune.  The Dev's have figured out what the issues are but the fix won't be implemented until 3.3rc2.  They had hoped the 3.3rc2 would've been released last Friday but it wasn't.  I guess they're still working out issues.

  -Mike
• Tim Painter April 27, 2015 at 10:46am

  Thanks  Nathanie

     Great advice , I will try individual  axis auto tune tomorrow.

   I assume I must disable pitch /roll lock first.

  something else that i notice is that with the  "B" configuration that all prop nut are in "auto undo" rotation mode , I think a possible fix is to swap props  and motor to pixhawk  connections top to bottom and then reverse all rotation directions ,all changes cancel out.

  .prop strikes definitely do loosen the plain nuts ( I am now using nylock nuts)

   Thanks again for the advice

   Tim
• Moderator

  Nathaniel Caner April 27, 2015 at 9:28am

  You can also select individual axis for tuning now as well. For example you can just tune roll if you want, or you can tune roll and pitch, or roll and yaw. It's controlled by a parameter that can be set before running autotune. You can read about it here in the 3.3 Beta thread.

  Regards,

  Nathaniel ~KD2DEY
• Felipe Rabat April 27, 2015 at 9:21am

  Figures...  I am running 3.2...
• Moderator

  Nathaniel Caner April 27, 2015 at 9:19am

  Autotune does tune yaw in AC3.3 rc1.

  Regards,

  Nathaniel ~KD2DEY
• Felipe Rabat April 27, 2015 at 9:19am

  Right, auto tune only tunes roll and pitch.  If yaw is weak, check that the motors are all turning the right way.  I had one arm inverted in my Y6, and that made yaw hard to control.  Other than that, stock yaw PID's work fine (actually, I even left my roll and pitch PID's alone, as they work just fine; never did the autotune).
• 

  Raymond Leach April 27, 2015 at 8:21am

  Auto tune does not tube yaw.
• Tim Painter April 27, 2015 at 8:11am

  Hi all

             I tried auto tune on my y6 b , 5000 ma 4S battery 850kv motors 10x4.5 in props

  battery was finished before auto-tune finished ? 13 minuets,  (yaw just started)

  any one have a set of pid parameters  for me to start with?  yaw hold seems weak with standard settings

  Thanks Tim