In article gt0pd.74555$EZ.71471@okepread07,
"Steve Monroe" wrote:

Gotta second Waynes advice to use a core drill. I've drilled many jet engine
mounts out for bushings w/CDs. (4340, RC 43)
For lube, castor oil is my preferance.
Thanks,
Steve Monroe


So _that's_ why you spend so much time in the can instead of at your
workstation.

WW1 pilots really did have that problem with the planes whose engines
were lubricated with castor oil from what I've read and IIRC.