Blue Racecars custom fabrications

Yes, the compressor is plywood. But it works. The black rings around the edges are carbon fiber. It only took about three trys to get the slots cut just perfect for the blades.  I figured out a nice method for a jig to do it. If you need help with yours, let me know.

The shaft is actually the first part I made. It's aluminum with steel ends threaded into it. The turbine disk started as a flat sheet of Cr-Ni stainless steel. Slots were cut around the edge to form the blades, and then each blade was twisted and an airfoil shape was ground into each blade. One at a time, by hand. The other parts shown are the exhaust nozzle and the compressor inlet.

This is the shaft inside of the internal structure tube. This tube provides for the oil delivery and support for the bearings. It also is mounted to the diffusor. Yes, more plywood.

The combustion chamber.

No. It's not pretty. It was. Just a word of advice;If a friend tells you that he has a friend who works for NASA and can get you some 'ceramic' material to coat the hot parts with, Don't do it. I don't know what he gave me, but I know what it wasn't. Ceramic. As soon as the engine lit off, it lit off. Literally. Big fire. At least I had a fire extinguisher handy.