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[Paparazzi-devel] Reply to:" A couple more questions (Christophe De Wagt

From: Chris
Subject: [Paparazzi-devel] Reply to:" A couple more questions (Christophe De Wagter) and (Felix Ruess)"
Date: Thu, 21 Jul 2011 21:02:47 +0300
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20110617 Thunderbird/3.1.11

The plane is trimmed for level flight in MANUAL mode mechanically so when the servos are at center (1500 microseconds) the plane is flying perfectly straight without any rc transmitter trimming so in AUTO1 it shouldn't be needed to add any ins roll correction if the imu is correctly installed (mechanically). Now Felix said that the plane might not be level in straight flight and this can happen indeed but i think this is not the case here, the PFD shows a plane rolled to the right by exactly 4 degrees which
is certainly wrong by looking at the plane while it flies.
I think that the culprit is the radio file settings, maybe the settings are wrong and when the tx aileron stick is at the center, the servo pwm might be different from the 1500us set in the airframe file. It is also possible that the default center of the Multiplex Royal Evo is not 1500us, i will measure it tomorrow.

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