I was reading on the AAW site about turners different styles for tennons, turning them, reversing, etc .
I was also reading on another fourm where some turners were pretty harsh in their comments about the bottoms of bowls - stating that a smooth rounded bottom shows no creativity or design thought. <----which i totally disagree
I like to make thing easy when i can so i turn mine more like the pictures below (not my pics)- dealing with tennon first and then reversing - that way when its dry i can easily deal with the bottom - after drying I may or may not use a compression jig and smooth up the tennon and deal with the marks left by the chuck or remove the tennon depending on if i did it in compression or expansion mode.
If i did the bottom in compression mode i will take off the tennon in the compression jig and sand, sometimes making the bottom round or a little dip to the middle - it all depends on my feelings at the time on how i think the bowl or vessel will look in the final design.
If i did it in expansion mode i may or may not use the compression jig - sometimes i can clean up the tennon area and level it easily and call it done and on to the finish. It all depends on what it looks like and how its going at that time. Putting the natural edge into the compression jig post drying can have its problems as you have to have it very centered and even then due to warping you may not be able to cut the ring without messing up the bottom but it gives you the ability to sand out the chuck rings etc.......
Final thought - Tennons and bottom designs are like discussing finishing - everybody has a way they like doing them and differ greatly - I like alot of designs and have no particular opinon on which is best. I like rounded bottoms or concave and other times i put other types of bottoms on.
Anybody else want to comment on how they do their tennons and bottoms ?