12V DC Motor 6DOF Motion Sim Project

I think I got one more reason to speed up my 6DOF project.

I loved to use my sim with the DK2, 99% of the people that tried enjoyed it, just one of my friends can't hold for more than 10 seconds.

Hi, have you tried to play RIFT without SIM? or your friends. Do you think how much does the SIM help to reduce VR motion sickness?
5 friends played project cars with rift, all have vr sickness, include me.

No more than the 5% of the people that tried the dk2 got any kind of vr sickness, with or without the sim. I think most of the vr sickness comes from demos or games running under the recommended specs (below 75fps for dk2).

I think the movements of my rig helped a lot as some of the people who have used it get motion sick really quick. I havn't had anyone actually be sick yet but they have felt a little queezy. I don't suffer at all so it with motion sickness so doesnt matter how bad it is I cant tell.

It does get wierd though when first setting up a profile and you have everything reversed it proper messes with your mind and if you were to get motion sick it would be instant projectile vomit i think

when I play Lucky or EVE I have no VR sickness, but when I play Project Cars it appear, maybe because Project Cars are more vigorous.

I think I need speed up my project.

Before I test LFS in my old laptop, the SIM is shaking even the car is stop, and the SIM works unordered,
today I tested in my new Gaming PC, and it's the same. looks the SIM TOOLS receive some wrong signal form LFS game.

I looked at the tuning center, even the car is stoped, the value in tuning center is changing from minus to plus. Someone met this same issue before?

let me check it again. thanks for your suggestion.

I'm so careless, I didn't notice the language bug in FAQ, and all my test and research I did before are wrong.

Today I changed the language to English now works reasonable, and I got some more understanding.

But there is still a problem I don't why, when I drive some times the yaw signal is wrong, most of time it show 100% or -100%, even the car is stopped.
I will try to unpatch and patch the LFS again.

below is the setting and Video.

when I stop the car, all the signal except yaw will reset to 0,
why YAW didn't reset? is it normal?

Try extra 1 for traction loss instead of yaw.

Think of yaw as a compass heading, that is why it doesn't reset to zero. As @brucestephen said; use extra 1 for traction loss rather than yaw. Yaw doesn't translate well for racing games.

Glad to see that you are making progress!

But I think traction lots can't simulate turn direction.

Is it possible let SIM tool or SMC3 consider changed value of yaw instead of absolute value?

Yes its named traction loss. Try it, it really does work well. You can change the motors axis %to adjust the center and the distance of the twist. More in the back motors feels like traction loss or oversteer. An even set of numbers will set the center of the twist back a little further on the rig

Edit: I set up tl with 0 movement on the front two motors, about five on the middle and 15 on the two rear motors. Then adjust dead zone and smoothing to feel.

Hi Mike, perhaps if you explained exactly what you are trying to accomplish we may help?

If you are trying to simulate understeer or oversteer Extra1 (Traction Loss) will simulate oversteer. You are building a 6DoF so you are not looking for 360 degree turning ability correct?

If you want Yaw for an airplane simulator you would look to the plugin for the particular game as yaw for those plugins are handled differently (so I understand).

Thanks. @Historiker @bruce stephen

This noon I tried extra 1 as you suggestted, it works fine. But I need come back to office work, tonight I will take a video.

I'm a new guy at SIM, at beginning I thought if the car turn left, there should be a yaw signal, when directions back to straight the yaw signal reset. But @Historiker explained to me yaw is like compass, the signal is compared with the starting angle.

My 6dof will be used for racing games and also flight games. So I need consider how to simulate turn direction signal for flight games.

Now I'm waiting my big motor from China, the else materials are ready.

Hi @Racing Mike good to see your sim is coming along. Note that pitch and roll are similar to yaw Ie. Output based on a rotational angle, not a force - Eg. when you stop the car the angle for pitch and roll will be dependent on the actual banking of the track, which may or may not be 0 degrees: For more info https://en.wikipedia.org/wiki/Six_degrees_of_freedom . I although am not understanding your settings in Simtools? Maybe it is the way you have wired the motors/feedback pots? For at least 'Heave': If you have wired all your motors/feedback the same, the six axis's should all be set for 'Heave', driving at the same percentage and in the same direction.