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OMP Alu GT Steering wheel

JohnnyV

100RPM
Premium
Joined
Jun 6, 2017
Messages
198
Hi all,
I've made this wheel a while back and wanted to share with you :)

YtqBY2R.jpg

OoOgVF5.jpg

e95u66a.jpg

Ra5BjwF.jpg


Since this is an Italian wheel, I thought an Italian colour scheme would look great ;)
The wheel features:
  • 6x NKK pushbuttons, of which 2 with aluminum button guards
  • 2x NKK rocker switches, for navigating menu's etc
  • 4x CTS288 encoders, of which 2 can be actuated with your ringfingers (really handy!)
  • The backside has Martin Asher carbon fibre shift levers and two hand clutches also from Asher.
The font and backplates are made out of 2mm real carbon fibre, which have a really nice 3d effect.
I designed and cut those on my small CNC router.
The outer part of the frame (to hide the insides) I made on a very small and cheap 3d printer. So small in fact that I had to print the frame 3 parts :p

The connection from the wheel to the quickrelease is all metal. I tried first to do this also with 3d printing but over time you could feel the play in wheel increase (with the forces from the OSW).

The removable USB cable leads to a Teensy inside (overkill I know..) that works together with SimHub to remember the bite point calibration of the clutches on a car by car basis.
The Teensy sits on a custom pcb with connectors so that connecting (and disconnecting) all the switchgear is very easy.

I've also made other wheels and working on some others right now, for example this one:
AcxM771.jpg


Cheers :)
 

Jens Roos

500RPM
Premium
Joined
Feb 23, 2017
Messages
897
Very nice build with OMP wheel, great work with carbon plates. I have also noticed that it's not advisable to use 3D printed part where there is any wheel force applied.
 

JohnnyV

100RPM
Premium
Joined
Jun 6, 2017
Messages
198
Indeed it is not. Maybe it would be OKish for logitechs or thrustmasters, but not for DD
 
Joined
Oct 1, 2010
Messages
687
3d printed parts are fine for use on direct drive wheels. I don`t know where this myth comes from that DD wheels will destroy anything that isn't made of metal or carbon fibre. I manufactured a couple of entirely 3d printed wheels and used them on a direct drive wheel without problems.

Many people seem to think that a DD wheel should be cranked up to output ridiculous levels of force, that is not the purpose of a dd wheel at all.

P.S Stunning wheel by the way, brilliant work.
 
Last edited:

Daniel oliver

100RPM
Joined
May 23, 2018
Messages
140
^ very true, i use a dd wheel attached to a desk and so far it hasnt shaken my house apart.
 

JohnnyV

100RPM
Premium
Joined
Jun 6, 2017
Messages
198
Thanks James ;)
What I meant with 3d printed parts not suitable for DD wheels:
I made a converter from 70mm to 50mm spaced holes and threaded the inside of the 3d printed holes. And used bolts in those threads.
Over time you can feel more and more play in this part.
Probably if I had designed it better and used nuts instead of threading in conjuction with a 3d printed spacer then it would hold better over time.
 
Joined
Oct 1, 2010
Messages
687
Thanks James ;)
What I meant with 3d printed parts not suitable for DD wheels:
I made a converter from 70mm to 50mm spaced holes and threaded the inside of the 3d printed holes. And used bolts in those threads.
Over time you can feel more and more play in this part.
Probably if I had designed it better and used nuts instead of threading in conjuction with a 3d printed spacer then it would hold better over time.

Yeah, you do have to engineer things in certain way. I use these inserts when threads are required:

https://www.insertsdirect.com/acatalog/unheaded-heatfit-insert.html
 

Vranq

75RPM
Joined
Aug 13, 2017
Messages
83
3D Parts can be very sturdy and lightweight at the same time. It depends on construction, printing parameters and the right material. You could even print a whole steering wheel that is stable enough for OSW.
 

Jens Roos

500RPM
Premium
Joined
Feb 23, 2017
Messages
897
Probably if I had designed it better and used nuts instead of threading in conjuction with a 3d printed spacer then it would hold better over time.

It might have lasted longer, but not lasted. I had a part like yours (with nuts) and some distance items 3D printed, the functioned for maybe 10-20h during that period I had to re-tighten them. And I'm not heavy on the DD with settings in the 35-65% range most of times depending on car/sim.

I'm sure it can be done, but I would personally keep the 3D parts to shifters, button holders/guards, knobs, covers and stuff like that.
 
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