high speed oscillation

I have 3.0.1 and i was tuning it for last few weeks. I got it to behave the way i wanted but when i take off there is a high oscillation. After i took off then it goes away. When reduce the  P gain it stops happening then i losses the stability + i get twitchy movements. What should i do?

P.S my loiter mode is all over the place. it goes up and down and sideways for about 5m radius.

Other issue is when i go simple mode its not smooth as i thought it would be

I have 800kv motors, APM 2.5, 3s battery and 20a ESC. 450 size quad

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Replies

  • Hello,

    I have similar issue as you describe. I checked my noise levels and they seem to be fine. Did you find a solution?

    Best,

    Pål

    • yes, i used vibration isolation pad for the APM and i tuned and double checked alignment of motors. Everything seems to be working fine. BTW if you have higher KV motors then you going to have some trouble with these kind of issues.

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