Need help getting rid of oscillation

[phyber]

Just finished putting together a 250 quad, however when at hover in both manual and self-level, there is a small oscillation with the craft. I have factory reset the FC, but I just don't know where is a range to have my PI settings with my equipment. The quad was flying perfect with the same hardware sans some smaller multistar 1900kv motors that were swapped out.

Fpv250 long frame
Kk 2.1.5, stock 1.6fw
Afro 12a ESC
ReadyToFlyQuads 2204-2300kv
GemFan 5030
Turnigy 1000/1300mah 30c 3s

 

[CrashRecovery]

Vibrations could be your problem. Second watch a few videos on kk2 setups and you should be alright

 

[phyber]

Vibrations on the motors? Are they able to be balanced like props are with tape?

 

[makattack]

Some people use zipties to balance motors, but you might need to balance both the motors with the prop as well -- something called dynamic balancing, but I'm not sure that's necessary on mini quads. I know it makes a big difference on the larger ones. Is your kk2 mounted with foam tape? That might isolate some vibrations from it as well.

 

[phyber]

Kk2 is direct mounted via screws to the frame

 

[phyber]

Low and behold I was missing a motor mount screw. Put in a new one, added some loctite blue to all the other screws, did another reset of the KK, and from what I can tell the oscillation is gone. Motors seemed to already be balanced well