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FLYSKY GT3b Transmitter

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FLYSKY GT3b Transmitter

Old 04-16-2021, 06:42 PM
Tech Adept
Join Date: Feb 2021
Posts: 155

Hey guys, quick repair instructions below to help others who might have a broken steering spring.
The original one on mine broke perhaps 4 times now, and each time you bend the loop back to reconnect it, it makes it even stiffer and likely to fail from fatigue.
I discovered that the futaba heavy-duty springs below are a perfect fit, and likely higher quality.
And if you order them directly from futaba, shipping was only $1 within the US.

Xtracrispy is offline  
Old 04-21-2021, 02:14 PM
Tech Adept
Join Date: Feb 2021
Posts: 155

Has anyone else noticed that Flysky has an updated version of the GT3 with the next-gen protocol?

I'm wondering if it'll be a similarly great value as the GT3, but with better latency which was the only thing holding it back.
I haven't been able to find it for sale anywhere though.
Xtracrispy is offline  
Old 06-25-2021, 09:46 PM
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Join Date: Oct 2020
Posts: 9

Now Updated version available, you can check Amazon or ebay
john33 is offline  
Old 04-25-2022, 07:56 AM
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Join Date: Apr 2022
Posts: 1

I'm looking for this info too. I got some results by not removing the resistor and just 'replacing' the switch with a 10k log potentiometer, but it's not 1k at half turn like the manual says. one side of the original button wired to the center potentiometer post, and one side to one of the outer post. I get a lot more movement on one end of the pot than the other, although I still get a full range.

I'm going try bypassing the resistor and using a linear pot, once I get them, on another hacked radio to compare. but I have no idea what I'm doing.

through my meddling, I believe r18 is the correct one to bypass as well. Im using a gt3c. my board says rev:1.6. I'm on 0.6.2 firmware.

Stuff to double check. If I switch from CH3 button to CH3 pot, it will default to throttle trim. Calibrate Ch3 in the calibration menu (Hold full right steering + hold enter). You are only calibrating full left and right for CH3. if you have it wired up right, you'll see the number change when you turn it. Check end points on the desired channel.

Originally Posted by Oldmanbluntz
I was wondering if there was any information anyone could provide me with regarding the swap on the ch3 button to a potentiometer on the GT3C. I just can't figure it out, and I can't find any information online about it, unless I have missed it sifting through 4 or 5 hundred pages on forums in the last couple hours.

I have the radio updated to 0.6.1 firmware, I have it set to use ch3 as pot in the global config, and I have ch3 set as ch3 on the radio to the receiver. Now, I just can't figure out the wiring. Nothing I do gets the pot working on channel 3,im checking through the calibration and using smartproproplus on the pc directly to the controller, and to the Arduino based receiver adapter I made.

Where do i hook up the wires of the pot on the controllers board? Which resistor do I eliminate? I'm assuming the resistor is labelled r18, as its the one that is inline with the ch3 button, according to my multimeter. Some help would be greatly appreciated. I need another real axis added to this controller for one of my rc projects. Thanks a bunch in advance.
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