Has anyone ever built or seen a scaled down supercharger? Any info would be great.
look at this. http://www.nvbackflow.com/engines/
http://fly.to/orkenrud have a look at this site
More specifically: http://weberprecision.com/weberprecision1_018.htm
This is a twin sliding vane supercharger. To me the vanes and rotors look easier to build than the complicated roots blower shape, but I am not CNC at the moment.