3GX Help please

[MartinJ]

Hi All

I am trying to setup my 3GX on a newly built Trex 550 DFC and am starting to tear my hair out. I have the cyclic servo arms at 90 degrees and have leveled the swash with only a value of 10 sub trim on the aileron servo. All is good until I come out of direct mode and then the elevator servo drops by about 4mm. I am on V3.1 and have a linear throttle and pitch curve.

Any ideas would be appreciated.

Thanks

Martin

[Ritchieme]

Don't know the 3GX but it's not something as simple as its not on a level surface ? Just a thought

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[MartinJ]

It's sitting on a table which I thought was pretty level but I will check. Thanks for the idea.

[10x]

Hello Martin

You use the subtrim to get the servo arms at 90 degrees, then adjust the servo to swash linkages to level the swash at 50in/50out on your tx.

[coolice]

Hey Martin.

Once you've sub trimmed the servo arms to 90 degrees are you pressing the 3GX button and going through the other 4 setup stages? Reason I ask when you press the button the 3GX memorises the mid stick neutral positions, hence the manual asking you to make sure the throttle/collective stick is in the mid stick position before doing so.

Another thing to check is that you don't have any trim present in the Tx.
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[MartinJ]

No I haven't done that and feel a bit of a prat. Thank you I will try it tomorrow. This is my first experience of 3gx.

thanks again and fingers crossed !

[coolice]

No I haven't done that and feel a bit of a prat. Thank you I will try it tomorrow. This is my first experience of 3gx.

thanks again and fingers crossed !

Morning Mate.

Lol, its easily over looked. Also at this point the 3GX learns what mixing type it is going to be used with eg. 3 servo 120 degree ccpm and stores the settings.

Any problems give us a shout and keep us posted.
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[MartinJ]

Morning Mate.

Lol, its easily over looked. Also at this point the 3GX learns what mixing type it is going to be used with eg. 3 servo 120 degree ccpm and stores the settings.

Any problems give us a shout and keep us posted.
.

Sorry its taken a while to get back on this. Yes, all sorted now having finished I have gone through the complete setup. More questions will follow shortly