Take 2 on Racing rig (2dof)

After having build my first platform, converted a playseat to a 2dof rig, I started a new build.

I felt I could do better then 2 boards with a playseat on it
So this is or rather was the first version:


But the playseat squeaks and the back is flexing so I bought:


Such a nice seat and fit I needed a new platform
So now I will have the the motors connecting to the back of the seat at sholder height.
So I bought a load of aluminum bars and started drilling and popping nails in it to get to this bottom platform

Looks good and feels sturdy.
So next up the upper deck
Having the seat at a fixed position so that the center of gravity will change less when others want to use it. I decided to have the pedals sliding instead of the chair and inverted the pedals (g27). (got the pedals covers on wrong, I know! . Like this:



For the upper frame of the deck I will use PVC pipes to keep things light. So that will be the next step before I can find the balance point and join the 2 bases.. I will connect a bar to the seat to connect to the motors instead of having a T-Bar construction standing up from the upper deck..

I will cover the upper deck with a tear plate from the top and half way I will let it go underneath the board so I create more space for the heels at the pedals. I got the plate but I need to slice it so I can bend it twice to get a nice fold, creating a pedal bucket.
_____/-------

Keep you all posted on the progress. I guess this construction will serve me better then the previous one!
Need to hurry as I want to race :-( but the old one is already taken apart, as I needed the space to work on the new rig.

Looks good man, will be a good rig.
Number 2 of ?...................

Im up to 14 I think with more plans

That's a nice bit of construction @Michael Hensen. Are you considering a "drift" axis? As you're doing a complete build, this is the time to set up for it, and maybe add the 3rd motor later .

Mike

Traction loss is not on the agenda yet.. But you'll never now. But for now I continue as I intended.. The 3th axis is not hard to setup in the construction I have now..


Today I managed to marry the upper and lower deck
And it feels so much better!!! Had my son on the seat and felt how heavy it would be to move if in the correct position.. That will rock !! as it is quick light to move!!!!

Tomorrow I will mount the motors and glue up all the piping
I hope It will get sturdy as soon the PVC is glued but I think it will work. Spray paining it black as soon as the glued dried.. I hope I won't get to high of the glue

pictures of the day !

What rating PVC did you buy? I cannot remember mine, but I know the wall thickness was 5mm on 40mm pipe.
Get high.......mmmmm.......

Glue, that's half the fun of working in PVC, recommend outside to glue it up, nasty stains on carpet or floor. Keep the wifey happy.
Not welding the Ali frame ?, wheel and gear stick support could be ali that way.
Still looking to be a lot better concept. Well Done, looking cool.

If I would know how to weld and would have the gear to weld I surely would have. But this way it kind off works..
If I finish the PVC stuff it should all be rigid enough, spray paint it and it should be cool enough. Suppose I would buy me a welding device I always can go back and weld it.
This is just nr 2 of ?? Like bsft asked me

Its still looking like a cool rig and a way better concept than the first, we all only learn by giving it a go.
Ali welding is not easy and welding units are not cheap hence a lot use the 40x40 expensive extrusion stuff.
I do like your idea a handy man can reproduce, always a cool idea.

I only made one mistake, I had forgotten about the force of the motor, I forgot the pull force of the motor, so now the rear part of the lower deck will flex. So I need to add a bar across the back to connect the rear cross bar with the front beam..


That way the forces will be transferred across the whole deck, instead of just the rear section. So that is on the list for today/tomorrow and then hopefully I can connect the motors and have the PVC rigging set up and bolted to the upper deck.

And yes, this is way cheaper then using extrusions..

As it is boring at work, no calls, I managed to continue and fixed the minor issue on the frame. now it solid

And managed to get high.. Ehm glued the PVC..
So again boring you with some useless pictures




While glueing (and some occasional sniffing) I drilled the holes and tapped threads so I can bolt it on to the frame. So now I let it dry and wait for the right time (dry period of 2 days) to spray paint the PVC black.. ( and remove all the stickers first :-( )

Hmmm .. not sure but I hope this ain't too straight up..

I did align the motors in the direction of the rod.. Not sure if that would matter in any way.. But nevertheless it's done..
So tomorrow I'll connect the rods to the seat , drilling holes in a brand new seat.. :-( will be carefull
Then reconnect every thing and hope for the best, that I didn't kill anything in the process

Ya on a winner there mate, looks really good, Top Effort.

I couldn't resist. Although not finished. Missing the steeringwheel deck, shifter fixation, tearplate for the floor and wood plate for the back to mount all the parts. I had to do a test run.. Oh man. what have I been missing out. so much difference, more feel.

But need to do more tuning as I am not been thrown back enough when hitting the gas. But shifting kicks hard!! So I did a good shakedown, not 100% satisfied but I will get there!!!

Also ran Grid motorsport, without motion, a damn that looks nice!! Will run it tomorrow with motion..

I guess the finishing will take longer then the initial build but that's ok as long as I can race!! My evers are now 45mm so I thing I will extend my current ones with an plate and have them at 65mm length.. that way I get more room to play with settings.. but all in all, this is a might fine rig, glad I did the conversion from the previous one..Already much better looks and a whole load better feel. So now I got a rig that I can use for my upcoming Oculus, just some tweaks..

BTW never though that inverting the pedals the way I have them now is also so much different, way more feel and you really have to get accustomed! And thanks for the nice comments and 'tags'

Hi Michael,
NICE work my friend...been watching your thread since beginning.
Question: On the last picture, it "appears" that your rod from motor to back of seat have some flex/bend in it, like it's not strong or thick enough for length/load.....is this just an optical in the pic?

@Michael Hensen , I think @cthiggin has a point, it looks like the threaded rod is flexing.
I suggest a length of 20mm box steel with bits of threaded rod on the ends . This will be a lot sturdier and will make the motion more solid.
Like this

Yep, I found this too!! they are bended.. will have to box it. :-(
For now it will hold another day .. but it is something I 've put on the list

Glad we spotted it. Great work - and we ALL have to make modifications through our builds.

Have a blessed one,

Tom

Ok, thanks guys. I have got the rods boxed in 20x20 steel bar, and pretensioned the rod inside.. Much better indeed and no need to look back if the rods are still ok..

One question about the simtools.. in my case the motion of left to right is quite harsh but I like the amount of movement only not the hard left/right jolt. Can I smooth that out someway?!

I read somewhere that heave was the bumps in the road.. but in Iracing heave is always above 1 . hIs this available in IRacing? because I cannot set a max of 1 and a min of 0.9 in the settings?! or is there a way ?!

Ah well done great to hear your happy, yes making the lever longer will bring more pitch and roll to the simulator, another little trick is only use about 80 - 90 deg of the 180 deg of the lever, set right as in bottom of sim is level along its length and width , both levers should be horizontal then set them 40-50mm higher for max and 40-50mm lower for min, needs to be equal max and min in measurement then you will have equal roll to each side and equal pitch back and forth , normally ending up with more roll than pitch. This will also bring some speed to the overall movements too.

Looking good and yes don't forget to finish it off, like me, lol , cant stop using it long enough to polish it off.
We wait to see a video with it all together, Well done.

Tuning centre to modify the Min and Max Values for a particular force from a game.
Higher the value the slower the sim reaches it 100% of the axis set as game value increases it below it
Lower the value the faster the sim reaches it 100% of axis set as game value increases past it

For a rig like that for both axis assignments would be:
Roll 20%, Sway 20%, Pitch 20%, Surge 20%, Heave 20%
noting that the total axis is 100% used.

Then use the tuning centre to set the sim up for the game of choice.
Then changing car and wanting to change the profile use the Game Manager to modify and safe a new profile without affecting your base profile. Then easy select the profile from the Game Managers main screen.