vane type supercharger ( prototype)

purchase updated pump version ( stl ) https://www.redpah.com/product/5639/vane-supercharger-small-engine

https://youtu.be/mgvOnnbzi2E

update Aug 10 2021 : tested at 400 rpm and managed about .75 lb of pressure.
posted updated rotor and vanes for better sealing , efficiency and
wear.

with little to no success with the roots blower i come up with something that may be a little less sensitive to inaccuracy of 3d printing .

this is a vain type supercharger , sized approximately the same as the roots blower.
I have been working on this on and off for the last little while , and I kinda wanna use it on a snowblower engine I have modified to use in an old 4 wheeler . The porting and relief work I did would allow for 5 or so lb of boost with little issues . I don't expect to see that but who knows I'm currently finalizing the first prototype drawing as I have decided to