A length stop on your radial-arm saw fence makes repetitive cuts more accurate.

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A length stop on your radial-arm saw fence makes repetitive cuts more accurate. But short pieces can get trapped between the blade and stop, damaging them or launching them back at you. To prevent this, I built the pivoting stopblock, shown. (You might need to vary the dimensions shown to suit your saw.)

To use it, I align the cutline on my workpiece with the blade, butt the movable end of the stop against the end of the workpiece, and then clamp the opposite end of the stop to the saw's fence. As I pull the saw head toward me to make the cut, it bumps the plywood "sail", pivoting the stop harmlessly out of the way and preventing the offcut from being trapped.
—Arthur Hoff, Lakeland, Fla.