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3d - Printworx

Any G2-D Gimbal experts

Started by rsmith21, Saturday,May 14, 2016, 20:44:02

Previous topic - Next topic

rsmith21

I got my G2-D gimbal today and have it fitted to my beast, the tilt control working fine. My question is, when I tilt it well over it tends to oscillate a bit or twitch, its fine if I move it slowly or gently. Is this normal, never having had a gimbal before its all a bit new.

The instructions for tuning are so confusing to say the least I';m scared to try anything in case I make it even more twichy. It is great to come home from an outing and all the images to be level with the horizon so I can use the whole frame, I think the rubber mounts are too soft though.

Any help appreciated.

Edit, I found this on another board, but I';m still unsure if my twitching will be cured by messing with the gains/power, when do I know I have it adjusted correctly, what will the LEDs be doing.
Instructions

 
Press and hold the button for 3 seconds until the green LED flashes. You are in config mode.

Press the button 1 time for tilt gain and power adjustments.

Press the button 2 times for roll gain and power adjustments.

Press the button 3 times for initial angle adjustments.

There are 3 LEDs of different colors to take note of, while in any of the config modes:

a. 1 LED to indicate the current config mode and its status
b. 1 LED to indicate the status of V1 knob
c. 1 LED to indicate the status of V2 knob

The colors (red, green, yellow) of "a", "b", "c" differ according to the config mode so check the table.

While you at any of the config modes, make sure you turn V1 and V2 until the corresponding LEDs ("b" and "c") stop flashes (i.e. turns solid).
To stop it from flashing, ensure V1 and V2 are at their center.

When the 2 corresponding LEDs ("b" and "c") turns solid, wait for 2 to 3 seconds for the config LED ("a") to flash slowly.
Only when "b" and "c" are solid and "a" slow flashes, you are ready for gain or power adjustment. If it is not flashing slowly, turning V1 or V2 will not help.

Press the button until the green LED stop flashing. That means the settings are saved.

You may try reading the manual again after my comments. Hope that helps.
KK2, NAZA M/V2 ugrade, Spektrum DX 8, Hubsan X4
Immersion 25Mw vtx, GoPro 4, Black Pearl Display
Walkera 2 axis gimbal

rsmith21

#1
As you will see from the short video ( crappy I know ) its ok if moved slowly, but when I tilt it a lot, it does that twitch, is that normal or should I try and adjust it.
https://youtu.be/0C9qowP14M0

Looks like I';ve got it sorted, one reason it was twitching was the cables. They tell you to check the motor cables are free, but I then realised the cable for the video out from the gopro was a fairly tough cable and was acting against the gimbal motors. Rerouting the cable and fixing it in place to minimise its effects sorted 90% of the problem. I then eventually managed to work out the Chinese logic and figured out how to alter the power and gains so its now working very well and not getting hot on the motors.

On another note, the £30 "CNC" gimbal arrived today and is a better gimbal than the G2_D other than that it had some loose screws causing rattle, and the camera fixing strap is a very poor idea, its hard to get the camera to sit rock solid on base plate, so new method to be sorted, possibly elastic bands would be better.
KK2, NAZA M/V2 ugrade, Spektrum DX 8, Hubsan X4
Immersion 25Mw vtx, GoPro 4, Black Pearl Display
Walkera 2 axis gimbal