I am yet to achieve a successful vertical lift off on my first quad. I have everything in place, Compass calibrated, Accel calibrated, RC calibrated. ESC calibrated, Flight mode set to “Stabilize”.
I place the quad pointing to "North"
2. Power on the quad.
3. After the controller, Mission planner connect, I wait about 15 sec.
4. I arm the quad. Motors start to spin.
5. Just increasing throttle, the quad attempts to lift, Hovers a 2-3 inches up, veers to the East and flips over.
I suspected vibrations on earlier attempts, by analyzing the logs and indeed I can see it out of whack. So I damped them using foam and ear-buds and I got the vibrations well within range. Yet I see the same behavior as above.
I am using compass1 and compass2. I even eliminated a compass to see if it was compass issues. No change. I have pasted the auto logs from dataflash below:
Log File C:\Users\kirtiprabhu\Documents\Mission Planner\logs\QUADROTOR\1\2017-04-11 14-25-35.log
Size (kb) 1149.5849609375
No of lines 15245
Firmware Version V3.4.4
Firmware Hash 73944917
Free Mem 0
Skipped Lines 0
Test: Autotune = NA -
Test: Brownout = GOOD - Test: Compass = FAIL - Large change in mag_field (42.31%)
Test: Dupe Log Data = GOOD -
Test: Empty = FAIL - Empty log? Throttle never above 20% Test: Event/Failsafe = FAIL - ERR found: CRASH
Test: GPS = FAIL - Min satellites: 0, Max HDop: 99.99
Test: IMU Mismatch = NA -
Test: Motor Balance = GOOD - Motor channel averages = [1124, 1139, 1121, 1124]
Average motor output = 1127
Difference between min and max motor averages = 18
Test: Parameters = GOOD -
Test: PM = NA -
Test: Pitch/Roll = NA -
Test: Thrust = NA -
Test: VCC = UNKNOWN - No CURR log data
Can anyone please shed some light into this? I can attach the video/pic as well as the parameters and logs if required.
It worked! I think my props were a problem. A couple of them were not fitted properly and were out of balance too. I changed the props and dampened vibrations further. It can take off vertically, so I had a few successful flights since yesterday. Thanks for all your inputs.
One problem though, although it takes of fine vertically, it starts veering towards the right . So for instance, Forward is pointing to North and after take off, it goes up fine, then starts veering towards East. If you see the attached i, the two red arms are facing forward. Will attach a video shortly.