It seems when i fly ad horizontal speed i have jello, when i hover it is not vissible, what could it be?

you have this problem ???
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This is caused by fast shutter speed. Are you using an ND filter in bright conditions?

I would also check the dampeners for any damage. I would also check props and motors as well.

stevegreentechy Posted at 2015-9-28 07:37
This is caused by fast shutter speed. Are you using an ND filter in bright conditions?

This.

Jello is usually caused by fast shutter speeds. A good rule-of-thumb is that the shutter speed should be ~2x the framerate. If you're shooting in 24 FPS the shutter speed should be around 50, and for 60 FPS it should be around 120.

no ND filter, the problem occurs almost always in the video THEN, when the P3A, revolves around an object, I almost always used a polarizing filter and I've never had this problem, in the video I did not use the polarizer.
Never had damage on gimball

This has been covered before, jello effect is caused by high frequency vibration shaking the camera. It is a feature of all CMOS sensors that use a rolling shutter device. The best way to minimise it is to eliminate the vibration, and that vibration is most likely caused by slight out-of-balance in your props. It is not caused by a gimbal fault either, because gimbals cannot remove high frequency vibration. DJI-BladeStrike has already said what needs to be done.

I notice that when i hover ad low altitude i see the whole gimball shake and  vibrate, so i thing i am trying another set of props, perhaps the carbon type of DJI and see what happens, thank for all the reactions

What ever you decide to do, I would buy a prop balancer and check the balance on each prop. Balancers are not expensive.

Perhaps i will buy a prop balancer tnx..

Same problem.  Bought a balancer.
All propers were already perfectly balanced.
Bearings in the motors dry out (or weren't lubed well at the factory) and or the races get damaged.
When more than one motor has this issue they can crate a symphony of vibration together.

Download and use "Vibrometer" on your android or apple device and you'll be able to tell how much and which motors have issues.  (Props off)

I have tryed the new carbon props, but still jello..., i am sure it has nothing to do with the gimball, so perhaps back to the shop?
i know DJI gives one year warranty the drone is from may so i think this is a warranty issu?

I'm getting this occasionally also. I fitted the additional retaining pins (spare ones that came with the drone) so that all 4 are fitted - could this be a cause ?