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Re: [Paparazzi-devel] Throttle Channel

From: Felix Ruess
Subject: Re: [Paparazzi-devel] Throttle Channel
Date: Tue, 13 May 2014 01:44:21 +0200

Hi Jorge,

If the GCS/messages shows 100% throttle when your RC stick is at your minimum, you need to reverse it in your radio file (and remember to set neutral to same as min).
You then probably need to change it for the servo as well if it moves correctly with the config you posted.

Cheers, Felix

On Wed, Apr 23, 2014 at 2:51 AM, Jorge Pantoja <address@hidden> wrote:
Dear all,

I am having a problem setting up the Throttle servo readings on the ground station. My current setting is as follows:

Radio Controller
Throttle channel is on the NORMAL position (not reversed)

Airframe File
<servo name="THROTTLE" no="4" min="900" neutral="900" max="1800"/>

Radio File
 <channel ctl="A" function="THROTTLE" min="900" neutral="900" max="2000" average="0"/>

Servo: Futaba S3003

With this configuration my servo moves in the correct direction. However, on the ground station when my Throttle stick (on the Radio Controller) is at a minimum the ground station reads it as a Maximum (100% throttle) and vice versa. I tried reversing the "min" and "max" values on the airframe and radio files to try different combinations but when I try other configurations the throttle servo stops moving.

I there a way to solve this problem on the software to avoid changing the servo installation on the airplane?

Best Regards,
Jorge Pantoja
Program Manager/Liaison

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