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Re: [Paparazzi-devel] Flying Paparazzi near water

From: Andrew S
Subject: Re: [Paparazzi-devel] Flying Paparazzi near water
Date: Thu, 19 Feb 2009 11:02:03 +0300

hello all
I am flying here in winter, temperature is from 0C to -10C, contrasts are quite well. So if is cloudly, contrast decreases, but not dramatically. I incrased gain of thermopiles amplifier for 1200, this helps. We are flying on the sea - on ice, and one problem is near the city. Houses are warmer than ice and angles may be biased about 10 degrees.

.02.09, 01:24, address@hidden:
Antoine is right.  Jeremy and Aron(I was actually drinking wine with Antoine at the time) did a demo on the east coast of the US.  They flew up and down the coast, and then 1 mile out to sea to circle a ship, then back again, doing this for 1 hr.  I was told the navigation and overall vehicle response was great.  Consider that the ocean is probably 50F or so, and the sky is -40F so no problems there, the only issue would be going up and down the coast where the left and right may see a bias.  This loop is closed when the navigation error is presented do to the offset.  Of course, this is only true if you fly with the Z sensor :)
-------- Original Message --------
Subject: Re: [Paparazzi-devel] Flying Paparazzi near water
From: John Burt
Date: Tue, February 17, 2009 4:48 pm
To: address@hidden

antoine drouin wrote:
> I seem to recall Anton and Jeremy flew over water with no problem.
> There's also a project of sending a Paparazzi UAV fly from french
> coast to Corsica, and I don't think they'll be able to avoid flying
> over water.

That's great news. Did they / will they only use IR sensors for attitude


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