Re: [Paparazzi-devel] AoA sensor

[Hector Garcia de Marina]

Hello Toby,

absolutely this kind of sensors, measuring the direction, and velocity of the fluid is very useful, and it's size is suitable for small/mid UAVs.

The interface is RS485, already supported by HW for many micros, but in my opinion it has one problem.

It consumes 0.5A @ 12V ! you should to make a step-up converter for a 2S Lipo battery exclusively for it, this is more weight and more room needed, depending on the aircraft, sometimes that is not possible.

Another question is, how much does it cost? any ideas?

Cheers,

Héctor.

On Fri, Jun 10, 2011 at 9:26 AM, <address@hidden> wrote:

Hey guys,

i can barely remember a company who did some testing with a little foamie some years ago. 

i found this link 
http://www.gunytronic.com/index.php?page=vorschau-weitere-einsatzgebiete&hl=de_AT
you can see the sensor they used in the picture. i just cant find the video were they had this little buddy in the wind tunnel
anyway with this sensor it is possible to measure two angels for example AoA and sideslip without any moving parts at really high rates
as i said there should be a video somewhere on this homepage were you can see exactly this.
maybe it is worse to write an email to this company and ask for more information?

hope this helps - 

Tobi


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Héctor