I've noticed that the Arducopter holds much more stable altitudes in steady air than it does in wind.

 

On breezy days, the Arducopter will climb/fall spontaneously while in GPS Hold.  In still air, it holds much better.

 

Should I be wrapping the barometric sensor in foam or something similar?  Has anyone tried damping/insulating the barometer to get more stable pressure readings in Wind?

 

I can't say for sure this is the cause, as I have not seen the raw barometer readings.  Is there an easy way to do that?  I suspect they're all over the place when the Arducopter is tilting into the wind and gusts.

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I was wondering about that too.
Fact is, when using a Mikrokopter-Board they advise you to wrap the barometer in Foam, so that is it protected from the propellers Airflow and from Light.

What i will try is putting a CD-Box over the electronics and just cutting a few little holes to allow for pressure changes...

Regards

Daniel

Any specific kind of foam recommended by MK?

 

I'm going to give it a try.  I usually fly in some coastal wind, so the improved stability in still air was a real eye opener.

 

A total enclosure (CD Case) is an even better idea, but doesn't really fit the Arducopter frame.

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