quadcopter moves up and down at a constant throttle

Hey guys,

I finally managed to fly my quad pretty stable when hovering after a long patience. It flies for about 10-12min with a 3300mah 4s 25C battery.

I am running Arducopter 3.0.1 rc7. when I tried to run for the first time, the compass which was working before did not work! it did not let me arm because of fail in pre-arm checks due to this compass sensor.

it shows that compass(internal) is bad( which before was not and also I didn't crash!).

so what I did was, I turned off the pre-arm checks and the compass and magnetometer. I am not using gps ( its just installed on the quad). I always fly in stab mode and I didn't try any other.

So the question begins with-

1) why is the internal compass not being detected?

2) what tuning parameter should I change to keep it on a certain level at a particular throttle value?

- when I fly it goes up, then after3-4 seconds keep descending itself.

3) compass and magnetometer are not required in stabilize mode, right?

Thanks,

Rahul

You need to be a member of diydrones to add comments!

Join diydrones

Email me when people reply –

Replies

  • is the placing of GPS incorrect or something else?

    GPS is placed over the APM 2.5 on a carbonfiber plate , and ofcourse its insulated properly so as to prevent short circuiting.

This reply was deleted.

Activity

Neville Rodrigues liked Neville Rodrigues's profile
Jun 30
Santiago Perez liked Santiago Perez's profile
Jun 21
More…