The principal feature in this plan, is that of the saw being run vertical, and its teeth made to form part of the gearing. Figure 2 is a perspective view of an improvement in running circular saws ...

When a circular saw blade pinches or twists while making ... Set your blade depth so just a bit more than the teeth protrudes ...

Try to cheat by putting a carbide-tooth metal cutting blade in a regular circular saw and you’ll end up buying two new saws: a replacement saw to cut wood, and a new metal-cutting saw after you ...