Spath Engineering has CNC 4 axis filament winding machine available for custom winding or rent in Helena, Montana. The machine is capable of 5' diameter by 20' long pressure vessels.

Brian Evans, PhD, winding 10" diameter 7,000 pound thrust LOX / Paraffin motor.

Detail showing the tow being wound onto the motor. 

Detail showing the four dry carbon fiber tows being saturated in the resin bath.  On this project the tows were consolidated a single larger stand for winding.