Greetings, and tool sharpening ideas

[milomilo]

Before you sharpen you need to use a saw set to get the proper even set to the teeth. Since your efforts doing it by hand do not give you the results you are looking for, you may want to modify a clamp on chain saw filer by adding an indexer to the tool so you can keep the correct spacing. Obviously use a triangular file instead of the round file for chain saws. At least you would keep the right angles and depth this way.

The most important things in hand filing saw teeth are angles, filing depth and filing an even number of strokes for each tooth.

Here is a

on how to sharpen a hand saw.