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Re: [Paparazzi-devel] Flying wiht BMP085 pressure sensor

From: Christophe De Wagter
Subject: Re: [Paparazzi-devel] Flying wiht BMP085 pressure sensor
Date: Mon, 15 Aug 2011 23:13:47 +0200

Dear Heinrich,

Where was the sensor located and in which kind of aircraft? Did you use a pitot+static tube or just measure the fuselage (or wing in case of a delta) pressure. How was the temperature change during the flight?



On Mon, Aug 15, 2011 at 10:11 PM, Prof. Dr.-Ing. Heinrich Warmers <address@hidden> wrote:
today we made our first flights only with the BMP085 pressure sensor.
We made an average of  4 pressure values and send the rate to 20 samples/s.
The altitude control system was stabile but just with an large error +7m -4m when flying  ovals depending  on the position.
After landing we had often a altitude of -1..-2m  by a flight time of  30 minutes.
Has someone an idea to get more precise results?


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