I vaguely recall a Teenut thread on the topic of sharpening drill
bits, and spent a minute Googl'ing without success.

Hummmm Anyone have the Collected Wisdom of Teenut saved? That might
make a very nice zip file for the drop box.

http://yarchive.net/metal/drill_grinding.html

He has a bunch of RCM stuff archived there...
--Glenn Lyford