I made a turbofan years ago but it did not work right.

It was powered by the new RAM 750 but
and was designed to run at over 50,000 RPMs.

Atfer a lot of running at low power, I powered it up
and the one piece turbine / thrust fan warped and
I was out of money. Knowing what I know now
I am fairly sure I could get it to work again.

ie cast the whole thing out of inconel with expantion
slots built in...

oh well

Eddie Weeks