I've been sharpening some saws, a new trick for me. However, a couple I have were sharpened at some point in some deep past with what seem to be rather crazy angles. Not that I have a great sense for such things, but I've spent time reading up on this and they seem way off. I also may want to change a saw from cc to rip, or vise versa.
How do I make rather drastic changes to rake and fleam? Rake seems more of an issue. This is all assuming I want to keep the pitch the same and not start all over from a bare filed saw plate.
For example, the most course saw I have is 5 1/2 PPI. The teeth are quite a mess so I've held off trying to fix it up:
5.5ppi.jpg
Some of the teeth have circular areas in the base of the gullets, I assume from some mechanical filing something or other. Every other tooth has a severe rake on the upper area of the tooth, and some have very shallow gullets. This will take tooth-by-tooth focus. Another couple saws are much more even but not how I want them.
It may actually be trivial, haven't tried it since I don't want to screw up something if I can avoid it by asking first (that's a rather rare concept for me!)
Any pointers?