What the Frog is the Frog About?
George VondriskaThe frog of a plane has a distinct job. It holds the plane iron at the correct angle which, commonly, is 45 degrees. Low-angle planes, which are generally around 12 degrees, are great for curly or unruly grain.
In addition to holding the iron at the right angle, the frog allows you to make adjustments to the position of the iron, increasing or decreasing the depth of cut.
Overall the frog is what allows the plane and plane iron to do the magic they do. Want to know more? Check out WWGOA’s videos about hand planes.
Why is it that planes do what they do so well? Well, the secret is in the frog. The frog holds the iron or the blade at a specific angle designed to make planing wood easy. It also allows for adjusting the depth of cut. On a traditional plane, this is about 45 degrees that the frog is set at.
But now there's some newer planes that has to have a we call it a low angle plane that has a frog that's much lower angle some degrees it's like a science thing it's for cutting curly wood unruly grain or end grain. So how does it work? Why don't I show you? What does it do? Exactly, what is it designed to do?
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