Turning Archive 2006
>The answer is "D", all of the above.
In summary, sharpen all sides each time the bit is sharpened. This will help insure that the bit maintains it's origional shape.
Use the edge that works best for the application at hand.
Yes it is a good idea to stay within your personal comfort zone.
New hollow vessel turners may not want to use the broad edge of the bit until they are more practiced and experienced in hollow vessel turning. All tools have a learning curve. You'll get there soon enough. Practice makes it happen.
Use a light touch.
Be Well and Good Turning,
Home of the Don Pencil Scorpion and Stinger Hollow Vessel Boring Systems.