In August 2005 #149, Popular Woodworking Magazine Article Index

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A cambered cutting edge is essential for fine finishing cuts with a hand plane – and it has many other surprising uses.
By David Charlesworth
Pages: 53-59

From the August 2005 issue #149
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Plane blades that are sharpened straight and square are essential in all shoulder and rabbet planes, and they have other applications such as when shooting an edge with a bench plane. However, I have a very strong preference for using cambered edges in most of my bench planes, most of the time.

There are two powerful arguments for using a slightly curved blade. The first has to do with perfecting the square edges of your work. Let us suppose that you are preparing the edge joints for a tabletop and your powered jointer’s fence was a few degrees off square and that you wish to correct the errors of squareness in the edge of your timber.

I have no magic built-in spirit level, which would allow me to plane a perfectly square edge with a straight blade in my plane, and I have no idea how this could be done. The curved blade is a sophisticated device, which allows us to take three different kinds of shavings without having to adjust the lateral-adjustment lever at all.

From the August 2005 issue #149
Buy this issue now


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