PJS Centrifugal Pump

Centrifugal pump based on a design starting out with a torus. Can't say there's much science to this other than looking at how similar pumps were designed.

How well it works? Who knows?

--- Edit (9/7/2016) ---

Added a new version to the files, mostly the same but some differences. Changed scaling a bit, but now it has a motor mount. I hope I have it sized correctly for brushless motors common to R/C applications. (At least if the measurements are what I think they are, should be scaled within a factor of 10. That'll depend on what your printer software does with the files.) In the middle of the motor mount, there's also a flared area that meets with the volute. That is intended for a simple gland seal which is made with waxed or grease-impregnated string. The wrap and clamping should only be tight enough to stop leaking but not bind the motor shaft from turning. (Stuff like that is a bit of trial and error.) As usual pre-check everything first before printing.

--- Edit (11/