Just to show that it can be done, we're building a three lane, 36' long lap in a space 2' x 8'. When
finished, it will hang on a wall at about eye-level, leaving space under it for a workbench
Got it running and it's a blast, especially with rally cars. I'll have some video soon. Next step is railings
and some scenery
A couple of video clips...

Clip 1
Clip 2