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[Paparazzi-devel] Válasz: Re: Rudder Trim Problems

From: SilaS
Subject: [Paparazzi-devel] Válasz: Re: Rudder Trim Problems
Date: Tue, 18 Aug 2015 22:01:44 +0200

Remove your pushroads. Set your epa values on both end to 110% and read out the signal values of ppm. Change your radio config.
Set back your epas and pushroads and check.

It worked me.

A Samsung eszközömről küldve

-------- Eredeti üzenet --------
Feladó: Meghan <address@hidden>
Dátum: 2015.08.18. 21:15 (GMT+01:00)
Címzett: Paparazzi UAV devel list <address@hidden>
Tárgy: Re: [Paparazzi-devel] Rudder Trim Problems

Thank you SilaS.

On the radio control wiki page, it does not talk about end points. I calibrated my radio ppm values with the end points set in my Tx to limit the servo throw. Is there a better way of doing this?


On Aug 18, 2015, at 12:36 PM, SilaS <address@hidden> wrote:

> Hi,
> Check you radio config file! It is possible that it was created without 110% EPA and therefore when You made trims it makes confusion for ppm decoder.
> Try to made your own radio config as it described on the wiki.
> SilaS
> 2015-08-18 19:32 keltezéssel, Meghan írta:
>> 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?
>> Thanks,
>> Meghan
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