(Dan Thomas) wrote in message . com...
"Mike Rapoport" wrote in message hlink.net...
How old were your gyros? At 10,000 rpm (just a guess) a gyro revolves
600,000,000 times in 1000hrs.

Mike
MU-2

I think it's a lot higher than that, maybe as much as two or three
or four times. Plenty, anyway.

Dan

Looked it up just now: 25,000 RPM. Bearings are typically .031" (1/32") diameter.

Dan