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Rudder pulls to the right when flying on freerider

A topic by Leethal created Sep 26, 2016 Views: 892 Replies: 6
Viewing posts 1 to 5
(1 edit)

Hi guys

I'm having trouble with the controls with FPV freerider. I am running a Spektrum DX6 with a 3.5mm audio jack connected to it via SmartPropoPlus. When i fly the drone in the air using the throttle, the rudder will want to pull to the right on freerider. I usually calibrate the controller over and over again. It will fly straight the first run after I recalibrate, but then it will want to drift to the right again. I had the same problem in Phoenix5 simulator. How can I correct this problem? Do you have any suggestions or answers? Thank you.

Does anybody have any suggestions?

(1 edit)

Hey Leethal,

Have you tried monitoring the levels in SmartPropoPlus? This would be the first thing i'd check; is the drift caused by a controller or something to do with the way the PPM is being interpreted by SmartPropoPlus.

One thing you could potentially do is modify the rudder channel on the Spektrum DX6 to be slightly offset?

The only other thought I have is possibly look into adjusting of output in the controller? I've read on previous forums about PPM input jittering. This youtube video is one place I've watched to correct jitter on my Turnigy 9x.

Hi GFargo. Sorry for the late reply. I have been very busy lately. Thank you for the suggestions. On smartpropoplus I notice for the filter it reads "No Filter" I also notice that there are 8 bars that constantly flicker on and off for the filter bar. Would I have to add a filter in the box there in order for it to eliminate the drift for yaw? Also I watched the video that you sent me from Naze32. He talks about setting the deadband. How would I rset the deadband on my DX6? Is there A setting on the transmitter that I can toggle to that could set that. I race RC cars as well and different transmitters have different ways on describing different settings. (KO Propo, Futaba, Etc) What would be considered deadband on the DX6?

If the bars are constantly flickering that this means something is likely interfering with Propo. Apologies, I do not have a DX6 - but it seems like filtering the levels on the controller should be the next step.

I'm not sure if it is called a _deadband_ but essentially what needs to happen is the control needs to even out any fluctuations in each channel that are within a certain range. I know for my Turnigy 9x I needed to have an allowed range of ~5 in order to avoid drift or bad input.

I'd start looking more into the controller - and then check there aren't any other drivers at play that could be messing up the Propo connection.

Forgive if I'm asking too many questions. I have 22 years of RC experience in Radio Control Car racing. I'm not familiar with drivers in my controller. I didn't even know that controllers had drivers. How would I find the drivers on the DX6 controller? Or any type of controller? Maybe I could go to Spektrum and ask this question and ask what type of setting do what to which controls. I know there is a sd card slot in my DX6 so I don't know very much how drivers work in a controller. I have been envolved with RC long enough when I used crystals and analog radios. So drivers in a controller are a new concept to me. Can you show me how to access them? How would you adjust filtering as well?

Does anybody know how to access drivers or filtering for your DX6? Any suggestions would be great.