ArduPlane User Group

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Wing severely oscillating in stabilize mode

Started by Benjamin Harvey. Last reply by Graham Dyer Aug 11. 6 Replies

Hi, im wondering if anyone can help. When flying my wing in fairly windy conditions my wing will occasionally start oscillating in the pitch axis, it starts gentle but then becomes progressively more…Continue

Plane always flies to right of waypoints

Started by Mapper905. Last reply by Mapper905 Aug 7. 23 Replies

Does anyone know what might…Continue

Tags: waypoints, grid, Survey, Pixhawk

Apm drops in altitude at stab and RTL mode.

Started by Fred. Last reply by Tryggvi Stefánsson Aug 7. 17 Replies

Hello, I have put the APM 2.5.2 in my Skywalker. Did all the calibrations(compass/accel over 3axis etc.). When I fly in stab mode the plane drops in alt till I use the elevator to correct. This also…Continue

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Comment by Anton on August 12, 2014 at 11:21am

To developers:

Some bugs found, described here

Comment by marc on July 8, 2014 at 7:53am

I bought a skywalker with apm 2.6 & fpv, I learned the basics of piloting aircraft manual. I would take a few days of training to learn the basic use of mission planner and apm 2.6 against remuneration. I am ready to move me in europe and to provide the material, I have not found anyone in France for training so if you can provide me with this please do not hesitate to contact me

Comment by Dave Smith on June 26, 2014 at 8:37am
What you are describing doesn't sound right, but I think the arming function is worth a shot.
Comment by Kobus on June 26, 2014 at 6:48am

I am using old firmware 2.74 to be precise 

so what you think I should do is upgrade the firmware and then use this setting?

Comment by Dave Smith on June 26, 2014 at 6:24am

There sure is. It was added not long ago. You can arm from the console or by holding the rudder to the right for a couple seconds. Use setting "1", which is "THR_MIN PWM when disarmed". I would go ahead and allow rudder arming as well. If you just decide to go fly without your GCS, you will want to be able to arm the motor.

Comment by Kobus on June 26, 2014 at 5:33am

@Dave Smith

Hi Dave thanks for the reply

I switch my radio on first then plug plane

then I wait until plane has got solid blue for gps lock

then I go to mission planner and click connect

motor starts up for a couple of seconds and then stops

I dont think there is a "arming" feature for planes?

Comment by Dave Smith on June 26, 2014 at 5:07am

I have seen mine do this if I boot up the APM without the radio being on first. Also, are you using the "arming" feature in the APM?
Comment by Kobus on June 26, 2014 at 4:31am


When I connect to my ground station my plane's motor starts to run for about 3 seconds and then stops again.

I don't know how to fix this problem, it is very dangerous 

If some one knows how to fis this please help

Its and apm 2.6

Comment by Owais Bukhari on June 4, 2014 at 12:45pm
Can auto tuning feature in APM2.6 stabilize the quadrotor if its one rotor is failed?
Means quadrotor flying with three rotors. Is it possible? Kindly help.
Comment by Ravi on June 1, 2014 at 7:44pm

to control throw in auto mode or FBW mode. lower the values of rll2servo_imax and ptch2rvo_imax parameters. do not lower than 500.


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