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RC Radios, Transmitters, Receivers, Servos, gyros Discussion all about rc radios, transmitters, receivers, servos, etc.

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Old 04-13-2014, 03:52 AM   #1
thepiper92
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Default 9xr with Orange Module and UMX SBach

So I have successfully bound and setup my neew UMX SBach to my Turnigy 9xr with an Orange module installed. It all works well, but I find that there is some dead area to the throttle, and it takes a bit of movement before the throttle kicks in. The throttle starts off slow like would be expected, and from what I know reaches full throttle, but on other planes, I have not noticed the the throttle like this, and they more or less begin throttle after the first movement of the stick. I don't know why it's doing it, whether it be the module, or the plane itself. It won't hurt flight any, it's just somewhat of annoying feeling.
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Old 04-13-2014, 09:26 AM   #2
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You can usually calibrate the ESC to the Tx by (with model powered off but Tx turned on) putting the throttle stick in the full throttle position. Then power on the model, you should get a beep at which point you close the throttle and you should then get the normal arming beeps.

If this works on the UMX ESC you should now have throttle over the full range of stick movement.

If it doesn't work (it doesnt work for all ESCs) then you can dial down the throttle end points in the Tx programming to remove the dead part of the travel.
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Old 04-13-2014, 03:15 PM   #3
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Thanks, I wasn't sure if the UMX stuff was different than standard escs in terms of setting up. The manual warns not turn on plane with throttle on or it will enter programming mode, but gave no instruction of the programming mode. Guess ill just have to try things out.
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Old 04-14-2014, 12:56 PM   #4
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Originally Posted by thepiper92 View Post
Thanks, I wasn't sure if the UMX stuff was different than standard escs in terms of setting up. The manual warns not turn on plane with throttle on or it will enter programming mode, but gave no instruction of the programming mode. Guess ill just have to try things out.
Do as JPF says ... Throttle Full ... switch on Tx ... Power up model... BEEP - close throttle... series of beeps indicating accepted .. Un-power model, switch of Tx ....

Now go fly.

Yes - ESC will enter program mode when you do this - but Throttle calibration is one of the first Program steps - if you don't enter program mode - you can never calibrate it ...
Just make sure that once that BEEP beeps - CLOSE throttle and then LEAVE all alone while un-power model and switch of Tx.

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Old 04-14-2014, 04:01 PM   #5
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Ill do that before I take it for the maiden. Far too windy right now,
See what it is like later. It's also cold as well, and lots off snow still, but should be able to land this little guy in a very small cement area.
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