X-Mozilla-Keys:                                                                                 
Archie wrote:

As an addendum to ceramic turbines:
They are also expensive to balance. Several years back,
I had to purchase diamond cutters in order to machine the
material.
Archie

 
The Aircraft Rotary Engine Newsletter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org