[aerohead]

Originally Posted by woodstock74

Noted aerodynamicist Yoshi Suzuka (father of Nissan's IMSA GTP and All-Japan race cars) was at one time attempting to market a desktop wind tunnel. He did a lot of work sourcing scales and developing the product such that it produced repeatable results.

At one point he had a number of videos showcasing the wind tunnel, but they don't appear to be up any more. However, he still has his functioning prototype and that can be seen in a few of his videos as he investigates certain road car aero features:

So, if you have in the region of $100,000, you might have something to do with your 1/32 scale models!

This scale is too small. The airspeed required for proper Reynolds number would be beyond MACH-1.You'd be in compressible flow.It just won't work!