Plane does a hard dive after adding airspeed sensor in AUTO/RTL mode

Hi all,

I got my APM with 1.02 software tuned and functioning properly.

Yesterday I tested airspeed sensor board (700 series) in light wind.

added #define AIRSPEED_SENSOR ENABLED in APM_Config.h

did reset and setup radio/modes.

t appears to work fine in test->airspeed mode, varies when i tap on the tube or blow in it.

However, when I flip to AUTO mode in flight my skywalker takes a 90 degree dive straight to ground.

Had to switch to manual and recover. Tried it multiple times - same result.

Added #define AIRSPEED_RATIO 1.9936 - same result.

Disabled the sensor - everything works perfectly.

Any help appreciated

Thanks!

Developer

Doug Weibel March 14, 2011 at 8:55pm

Are you using telemetry or logging. It would be very helpful if you had info on what the airspeed is reading in flight.
3D Robotics

Chris Anderson March 14, 2011 at 9:18am

Are you sure you've got the tubes in the right inputs of the sensor? I think active goes on top.

This reply was deleted.

Discussions