Das sieht klasse aus! wow.
We just finished attaching the yoke on our club sim project, it starts to look like an aircraft as well:
We have a small "dampener" (like car suspension thing but small, for industrial washing machines, made by Monroe) that resists movement for elevator - it makes a nice and heavy feeling. I am not sure yet if we need to have a centering spring at all.
Next we need to connect the potentiometers and see how the thing works in practice. The feeling is very promising.
(Simkits for gauges, FSBUS for radios and switches, a C150 cockpit section for the "casing"

)
Best,
Tuomas