It's tuff. That's why it makes good bearing material.
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School RV-12 Project Mentor.
RV-6 Flying since 1993 (sold)