Ok, Ok, I know this might sound stupid, but hear me out.
Why not mount the spinner in the front middle of the cp and find a way to mount a steering wheel to it. When neither is in use the spinner knob could have a cap placed over it. Or, have the spinner stem recessed.
This idea seems so simple that it must already be in use.
Am I missing a mechanical problem that would not make this work.
For example: I know that a steering wheel would probably break a spinner stem. But, why couldn't a steering wheel be modified to have a spinner mounted to its stem.
Furthermore, the spinner could be mounted at say 30 degrees (maybe) in order for the steering wheel to be angled properly.
If this idea is stupid, just dismiss this post as the ramblings of a delusional game freak who sat to close to the TV as a chiled. (actually we rarely had a TV because it was seen as an INSTRUMENT OF THE MAN, USED TO CONTROL YOU.)
Sounded funny as a kid who just wanted to watch Scooby-Doo. But now! after the epic trial of (Scooby V's the state of California) and the landmark legislation that followed, I guess cartoons do have subliminal messages telling me to vote for Nixon as king.
I THINK SOMEONE SPIKED MY COFFEE. OH, WAIT IT WAS ME.