[dcruze]

I am trying to dial in a Eachine Racer 250. I am new at this and not sure of what settings I am changing. I am use to flying a Iris+ which is a camera quad with gps. When I let off the sticks it just sits there. This racer quad continues to drift when I let off of the sticks. Is that normal for these quads without gps or can I  adjust that drift out with the Stabilization settings.

Others have given me basic settings to get me started, now I need to learn to dial it in.

[Mateusz]

You can't have a position hold without GPS and magnetometer. GPS tells that it drifted, and magnetometer is needed for heading, so it knows in which direction to correct for the drift (GPS don't tell where nose is pointing). Both sensors are needed and mag must be placed far from magnetic interference which on small racer might be difficult, but not impossible. Also properly working altitude hold is needed which uses barometer.

Please have a look at this post https://forum.librepilot.org/index.php?topic=15.msg36#msg36

Using just gyro&accel sensors alone (typical for racers), quad will inevitably drift a bit, but NOT that much (if calibrated/build properly) that it makes any problem and if there is no strong wind.

The Eachine Racer 250 on Banggood has Control Copter 3D (CC3D) compatible/clone board, not a Revolution board. Only Revolution (or more advance autopilot boards) have enough RAM and sensors to perform autonomous flight and position hold.

[dcruze]

Thats what I thought that it would drift a little bit but what settings do I work with to remove the big drift? When you hover it drifts forward and to the right and the yaw flies with the nose about 30 degrees to the right?

[dcruze]

I noticed while looking at my controller calibration that if I move the yaw right and let it come back to center that it doesn't come all the way back. If I move it left it comes back to center.

I have calibrated the controller several times and it comes back the same.

Is there a setting to adjust it in Libre Pilot or do I have to use the trim on the controller?

[hwh]

How far off is it?   Most sticks don't come back to exactly center.  That's why there's a deadband setting on the input screen, by default it's 2.   That's 2 percent, not 2 value. If it's a lot further than that off then you'd probably have to replace the joystick.

When using a flight controller of any kind all transmitter trims should be set to zero.

edit:  I checked and the tooltip on the deadband says the max you can set it is 10 percent.

[dcruze]

Thanks, my Deadband was set on 2, when it quits raining I will change it to 4 and see if that helps.