Compass motor calibration process

Hardware Pixhawk family
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1

I want to run a Compass Motor calibration as my Pixhawk 2.4.8 hexacopter is do not stay on position when it is on loiter mode. But when I switched to POS-HOLD it hold the exact position. So I want to run a compass motor calibration. BUT it says
Disconnect your props, flip them over and rotate them one position around the frame. In this configuration they should push the copter down into the ground when the throttle is raised
Secure the copter (perhaps with tape) so that it does not move

but I have self lock props and how do I flip them over and connect to push the drone to the ground. Is it ok to run the process without using propellers.
please help me with this

2

No it is not ok to run the process without propellers.

You could just tie the vehicle down, really really good. Making sure it can not get loose, nor harm anyone. And do the procedure with props attached in the right way up.

3

Do not use poshold. Use loiter instead.

4

You mean tie the vehicle to a upside down surface and run the processes

5

Tie the vehicle upright to a upright structure that can hold the force of the vehicle. Use good rope that can hold the vehicle down. Make sure the props can run freely, but the vehicle can not move.

6

OK thanks a lot
So i need to fit my drone to a table or a surface in a way that can be moved or lift even though the thrust increased to the 100 and start the procedure.

7

Is there are any other reasons to not to maintain the position in the loiter mode.like hovering like a circle when i switch to loiter

8

No, in a way that it CAN NOT move or lift.

It must not move in any way.

9

And the table needs to be heavy. Heavier that the force the vehicle can produce.

10

Why don’t you use Magfit?

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11

What is Magfit? could you please explain it more.

12

Magfit

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13

Magfit is a in flight compass calibration method.

It is step 24 in the ArduPilot methodic configurator software.

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