5dof project need some advice

Hi!
Now i made my 2dof proto ready and like it very much, but i always wan't some half ready thing's in my garage so it won't be neat and clean. This idea is rolling in my mind quit sometime and now i make little skethup drawing for you so you can tell me how wrong idea this is or other hand you can say that this is so new and unbelievable that it might work.

This is my first problem. I don't have idea how to link sway and surge motor's to chair so they make separate movement and don't disturb eatch other

short said: I love any unusual idea like the yours but ( ; ) the joint is already too far away from the seat and will be more far away from the seat if the motors are placed somewhere under the seat.

PS: the rods have to be mounted much higher...

This was rough sketch for what i thinking. I can lift the joint much closer to seat. there have to be cap for the sway and surge movement but that aren't so much. here is a little modified version with surge motor so you understand better what i try to say.

hmm, now I have no clue how it should work...using EDIT heave /EDIT the motors must work synchronously?

Those 2 motors in the back is giving only information what your car position is. Are you driving up the hill or try to drive with 2 wheel. When you accelerate or go corners high speed then the seat part moves with two other motors what generates sway and surge. I put the surge motor in last picture but sway motor it's still waiting for better idea of mounting. It's feels so simple in my mind but that's because I been thinking this few months now and draw few (hundreds) pictures. Hope you catch my idea. But if there's some questions I try to answer.

still I imagine the motors are not independent - and what gives you the best feedback if you plan to build a rig? Which forces we can reproduce and which not? IMO and in my experience the most impressive DOF is heave. As a result of this conclusion I built in a dedicated heave motor. The second DOF is surge and at least sway - better you implement a traction loss instead of a shaking sway.

Pitch and Roll is individual and not everybody likes it. BTW I am talking about a racing rig and not about a flight sim.

thanks for your opinion. I have to say that you maybe right for that sway thing. If I forget that and use the traction lost then this SIM is much easier fabricate. I personally like to feel my car in rally games when taking corners near the ditch and when driving up and down the hills so that's why I put pitch and roll in SIM.

Nice idea on a build. I run a basic 2 DOF seat mover with 5 forces, each tuned individually and then mixed together, and for me, I find sway, surge, heave, pitch and roll all give excellent immersion mixed up well.
May I suggest build a garden variety sim and get used to how the motion is, and then advance from that once you have an understanding

I have made the basic 2dof just for that purpose.
http://www.xsimulator.net/community...-2dof-is-better-than-no-movement-at-all.6809/
And now i know how great the simtool is with so many adjustment.

I was thinking that, but i'm used sketchup so little time that i made faster the proto out of wood/metal.
If someone want to try how this might work i can put the sketch in dropbox. I have made every moving piece in to components so you can move those but there aren't any place where rods are connecting, so they have to do.

good...new and like no other idea mate... but IMO the cardan joint does not let the movement like you
desire.just like you fix the stewart system from middle of the motion platform.