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[Paparazzi-devel] Rudder Trim Problems

From: Meghan
Subject: [Paparazzi-devel] Rudder Trim Problems
Date: Tue, 18 Aug 2015 11:32:05 -0600

We are using Lisa/M 2.1 and a futaba T10CAP Tx. All of the servos work in both 
manual and auto1 without trim. When I add a +4 rudder trim on the Tx, told the 
rudder stick to the right, I lose all control to the rest of the servos 
including the motor. If I pull the rudder in the other direction with the +4 
rudder trim, all servos work. When I add a -4 rudder trim, all of the servos 
work when the rudder is pulled both left and right. 

Even though we may not need to trim the rudder in flight, I think this may lead 
to other problems. Last time we flew, we had aileron trim and the elevators 
gave out on takeoff in manual mode, but control was gained after a couple 
seconds. I have not been able to achieve the same results with the aileron trim 
on the ground, but definitely have consistent servo problems when rudder rudder 
trim is added.

Does anyone have any idea what may be causing this? 


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