Gladiator Mk II asymmetrical centering on Y-axis

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Pelikaniini
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Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Thu Jun 04, 2020 18:24

This is a week old joystick, I noticed that on the Y-axis it only centers properly from the other side. Move stick forward, release -> centers. Move stick backward, release -> offset by about 4,5%. Is this asymmetrical centering normal?

1 - Device model and version: VKB Gladiator Mk II
2 - Firmware: v1.98F
3 - Number and type of springs used (all stock, no modification)
4 - Тype of cams used (all stock, no modification)
5 - If VKB original software is used, please always mention its version

VKBDevCfg (v0.91.22)
VKB_JoyTester

Scr200604180239.jpg
VKBDevConfig-Profile-Axes.PNG
VKBDevConfig-Global-Common.PNG

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fallout9
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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby fallout9 » Thu Jun 04, 2020 18:30

Try to calibrate again and let the stick to return to center by itself, don’t guide it and don’t mind the numbers running on the tester during calibration. Try again after hitting End Calibr button.

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Fri Jun 05, 2020 1:15

When calibrating I pull the stick all the way up and then let it go and center on its own. Then down. Then left. Then right. Then rotate left, rotate right. Throttle min/max.

It's still offset on one side in the Y-axis. X-axis is fine. Rotation (rX) is fine.

Here's the best I could do after multiple tries, about 3.5% offset on the Y-axis returning from one direction:

Scr200605010053.jpg
VKBDevConfig-Profile-Axes2.PNG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby fallout9 » Fri Jun 05, 2020 2:30

Try to set the DzLo to 2 for X and Y axes in Logical Axes tab and hit the Set button in the Action tab.

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Fri Jun 05, 2020 10:24

Here are the results after increasing Dz Lo to 2 for X- and Y-axes.

Scr200605102034.jpg
VKBDevConfig-Profile-Axes3.PNG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Escapetaxi » Fri Jun 05, 2020 10:33

I have the same Offset Issue.
It happens, when I pull "hard" up, or down - it offsets about to 25 Values of 2048.

Example: Hard pull ( just to end of Axis, not slamming ), Center goes to about 1.042. To get back to "normal" Center Value, I have to push forward hard several times.
Same vice versa.

Would like to know, if this is physical - due to "bending / elastic" Plastic in Gimbal System, or a Software related Issue?

Deadzone of 0.


Sorry for bad English!

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby fallout9 » Fri Jun 05, 2020 18:16

Pelikaniini wrote:Here are the results after increasing Dz Lo to 2 for X- and Y-axes.


Please recalibrate, then open the tester, pull the grip top with your finger to one end of axis range and release; do the same for the other end. Leave grip free to return to center, do not guide it with your hand, let it oscillate until it stops.


Escapetaxi wrote:Deadzone of 0.


Increase the deadzone, there's nothing to gain with 0 value.

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Fri Jun 05, 2020 20:38

fallout9 wrote:
Pelikaniini wrote:Here are the results after increasing Dz Lo to 2 for X- and Y-axes.

Please recalibrate, then open the tester, pull the grip top with your finger to one end of axis range and release; do the same for the other end. Leave grip free to return to center, do not guide it with your hand, let it oscillate until it stops.


I tried multiple times, and this is the best I got this time, I think it's off by about 2% with a 2% Dz Lo. I've been testing the way you describe the whole time. While calibrating I used my whole hand but light force until it reaches the limit.

Joystester-Capture.PNG

VKBDevConfig-Profile-Axes4.PNG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby fallout9 » Fri Jun 05, 2020 23:27

You have to let go of the grip to return to center by itself and oscillate. Pull the grip with your finger on the top to one end of pitch axis and let go; pull the grip with your finger at the other end and let go. Do the same for roll axis. Post screenshot of tester.

Should look like this:
Attachments
123.JPG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Fri Jun 05, 2020 23:43

I did a graph with the Y-axis and the X-axis. It still looks the same as I've been doing it with one finger all the time and letting it go completely on its own and oscillate freely.

Joystester-Capture.PNG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby fallout9 » Sat Jun 06, 2020 0:12

Could you run a new calibration and do it the same you did with the tester - pull the grip to the end and let it oscillate its way to center, then same for the other end and axis? Then post again both screenshots of tester and Physical axes.

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Sat Jun 06, 2020 0:30

This is doing both the calibration and the testing in the same way: pull to one end with one finger, release and let it return on its own not touching the stick. Both axis seem to be offset from the other direction.

Joystester-Capture.PNG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby fallout9 » Sat Jun 06, 2020 4:04

You might want to check if the mechanism is properly greased (or there's too much grease). If you're willing to do so here's a video to see how to disassemble it and put it back: https://youtu.be/x_LXh5LTJL4?t=228
Obviously, you won't have to take the grip off as in the video, but check from the time frame I've posted hot to get to the gimbal. Below are some screenshots showing what you need to check. Do not tighten too hard the screws securing the gimbal white plastic parts, just as it keeps it snug in place.

b.JPG

a.JPG

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Pelikaniini » Sat Jun 06, 2020 11:10

I just got this joystick on Wednesday 3th of June. So I've been using it for three days. Why would it not be properly greased? I looked at the video and there's a lot of parts that need to be removed and put back together. Also, I wouldn't be able to tell if it's a proper amount of grease or not.

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Re: Gladiator Mk II asymmetrical centering on Y-axis

Postby Escapetaxi » Sat Jun 06, 2020 12:52

Increase the deadzone, there's nothing to gain with 0 value.

I don't understand this. Why is there no benefit with that Value?

I mean, I can put a Finger very lightly on top of Joystick and that is already been registered by the Sensor. My Issue is with the Center off-setting after "hard" Pulls - this will also
happen with added Deadzone. :(


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