Fall down at stabilized mode

Hardware Pixhawk family
1

Dear friends,

I am a beginner and using pixhawk 2.4.8 for my quadcopter. In stabilized mode the drone suddenly goes up and down. When I raise the roll, drone lands automatically. kindly help me on this. My drone arm is different. it has 45 degrees angle upward direction to the frame. Here i had pin my drone testing video in link

password: 1234

No of lines 2222

Duration 0:00:01

Vehicletype ArduCopter

Firmware Version VDD_5V_PERIPH_nO

Firmware Hash 34e8e02c

Hardware Type

Free Mem 0

Skipped Lines 167

Test: Autotune = UNKNOWN - No ATUN log data

Test: Brownout = GOOD -

Test: Compass = WARN - WARN: Large compass offset params (X:306.97, Y:-81.97, Z:236.29)

WARN: Large compass offset in MAG data (X:306.00, Y:-81.00, Z:236.00)

Moderate change in mag_field (26.99%)

Test: Dupe Log Data = GOOD -

Test: Empty = FAIL - Empty log? Throttle never above 20%

Test: Event/Failsafe = GOOD -

Test: GPS = GOOD -

Test: IMU Mismatch = NA -

Test: Motor Balance = UNKNOWN - ‘QUAD/X’

Test: NaNs = FAIL - Found NaN in CTUN.TAlt

Found NaN in CTUN.DSAlt

Test: OpticalFlow = FAIL - ‘FLOW_FXSCALER’ not found

Test: Parameters = FAIL - ‘MAG_ENABLE’ not found

Test: PM = UNKNOWN - No PM log data

Test: Pitch/Roll = GOOD -

Test: Thrust = GOOD -

2

Post a link to the .bin flight log from the Flight Controller. Those messages generated from Auto Analysis are useless. That configuration looks very inefficient.

3

Link to the the .bin flight log from the flight controller

password: 1234

4

That craft is woefully lacking in thrust. Motor outputs maxed out.

RCout
RCout1663×509 122 KB

And the battery is sagging to 8V.

Not sure what you are trying to accomplish with the arms and motors at a 45° angle.